Wireless speakers / Compare

JBL Authentics 500 vs Marshall Acton IV

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Product A: JBL

Authentics 500

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B

Product B: Marshall

Acton IV

43 of 96 known

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Only differences

AJBL Authentics 500

BMarshall Acton IV

General

6 of 8 differ

Series

Authentics1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Spec sheet and press material name the Authentics series with the 200, 300 and 500.

Not available

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

JBLAUTH500BLKAM, JBLAUTH500BLKEP, JBLAUTH500BLKUK6Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 2026Spec table gives UK model JBLAUTH500BLKUK.11Retailer pagemedimax.de/p/1422285/authentics-500Read 16 October 2026Manufacturer item number JBLAUTH500BLKEP for the EU version.12Retailer pageelectronicexpress.com/catalog/212297/jbl-authentic500-authentics-500-smart-home-bluetooth-speaker-blackRead 16 October 2026US item JBLAUTH500BLKAM.

1009789, 1009794, 1009292, 1009301, 1009851, 10098521Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Colour selector product ids 1009789 Black and 1009794 Cream, read from the page data. The German store lists 1009292 and 1009851 for Black and 1009301 and 1009852 for Cream. John Lewis sells 1009851. Which ids differ by plug or region is not stated.2Maker product pagemarshall.com/de/de/product/acton-ivRead 14 October 2026German store page data lists variants ACTON IV BLACK 1009851 and 1009292, ACTON IV CREAM 1009852 and 1009301, all priced at EUR 299.12Retailer pagejohnlewis.com/marshall-acton-iv-bluetooth-speaker/black/p115377409Read 14 October 2026UK retailer lists manufacturer part number 1009851 for the Black model.

GTIN / EAN

050036396264, 120013000068311Retailer pagemedimax.de/p/1422285/authentics-500Read 16 October 2026German listing for JBLAUTH500BLKEP gives EAN 1200130000683. The check digit is valid.12Retailer pageelectronicexpress.com/catalog/212297/jbl-authentic500-authentics-500-smart-home-bluetooth-speaker-blackRead 16 October 2026US listing for JBLAUTH500BLKAM gives UPC 050036396264.

7340055423533, 73400554236321Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026EAN in the US page data: 1009789 is 7340055423533 and 1009794 is 7340055423632. EANs of the other ids were not found.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

30 August 20238Press articletomsguide.com/news/jbl-unveils-new-authentics-smart-speaker-with-obscene-270w-of-power-at-ifa-2023Read 16 October 2026Published 30 August 2023 before IFA 2023 opened on 1 September. Reports the JBL launch of the Authentics series.

7 July 20265Press releasegroup.marshall.com/2026/07/07/marshall-unveils-next-generation-acton-iv-and-stanmore-iv-speakers-for-the-homeRead 14 October 2026Launch release dated 7 July 2026.6Press articlesoundguys.com/marshall-acton-iv-and-stanmore-iv-launch-159646Read 14 October 2026Published 2026-07-07, 8:00 AM ET.

Status

Available5Reviewwhathifi.com/reviews/jbl-authentics-500Read 16 October 2026Review page lists the speaker with current UK retail offers from Amazon, JBL UK, Richer Sounds and Peter Tyson.

Available1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Listed on the maker store. The US store showed Sold Out with a Notify Me button on 2026-10-14. The German store and John Lewis take orders.2Maker product pagemarshall.com/de/de/product/acton-ivRead 14 October 2026Orderable on the German store.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Marshall Acton III11Reviewtomsguide.com/audio/smart-speakers/marshall-acton-iv-reviewRead 14 October 2026Tom's Guide says the Marshall Acton IV succeeds the four-year-old Acton III.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$699.954Reviewtechradar.com/audio/hi-fi/wireless-bluetooth-speakers/jbl-authentics-500-reviewRead 16 October 2026Review lists $699.99 / GBP 579.99 / AU$999. The US launch price stored is $699.95 from AFTVnews. The two differ by four cents.8Press articletomsguide.com/news/jbl-unveils-new-authentics-smart-speaker-with-obscene-270w-of-power-at-ifa-2023Read 16 October 2026Quoted as $699, which fits both 699.95 and 699.99.9Press articleaftvnews.comRead 16 October 2026Announcement report: Authentics 500 for $699.95. TechRadar and audioXpress write $699.99. The 699.95 value follows JBL's usual US price style. Tax treatment is not stated.

$299.996Press articlesoundguys.com/marshall-acton-iv-and-stanmore-iv-launch-159646Read 14 October 2026Launch article of 2026-07-07: Acton IV USD 299.99. TechRadar gives USD 299.99 and Tom's Guide USD 299. The US store later shows USD 329.99 and MusicTech reports that figure, so the store price changed or one outlet differs. The launch price is stored. Tax is not included in US list prices.9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-acton-iv-reviewRead 14 October 2026Price and release date: USD 299.99 / GBP 259.99 / AU$499, first released July 2026.

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€629.996Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 2026Spec table lists EU RRP 629.99 EUR. Launch coverage by Tom's Guide and Stereonet rounds it to 629 EUR. German retailers list the same 629.99 EUR as UVP including VAT.8Press articletomsguide.com/news/jbl-unveils-new-authentics-smart-speaker-with-obscene-270w-of-power-at-ifa-2023Read 16 October 2026Launch price quoted as $699 / GBP 579 / 629 EUR. Stored value 629.99 EUR is the retail UVP, which matches. Tax treatment is not stated here, EU prices include VAT.10Press articlestereonet.com/news/jbl-unveils-classic-style-authentics-wireless-speakers-at-ifa-2023Read 16 October 2026Authentics 500 sold for 629 EUR at launch.

€2997Press articlehifi.blog/marshall-acton-iv-and-stanmore-iv-more-room-more-bass-more-marshallRead 14 October 2026Article of 2026-07-08 lists Acton IV at EUR 299. Stereonet of 2026-07-09 also gives EUR 299. The German maker store shows EUR 299 including VAT.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

US, EU, GB6Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 2026Spec table gives UK and EU recommended prices.

US, DE, FR, GB1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026US store page with USD price.2Maker product pagemarshall.com/de/de/product/acton-ivRead 14 October 2026German store sells it.12Retailer pagejohnlewis.com/marshall-acton-iv-bluetooth-speaker/black/p115377409Read 14 October 2026Sold in the UK at GBP 259.99.13Retailer pageldlc.com/en/product/PB00747535.htmlRead 14 October 2026Sold in France.

ColoursiThe maker's own colour names

Black6Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 2026Spec table lists Black only.8Press articletomsguide.com/news/jbl-unveils-new-authentics-smart-speaker-with-obscene-270w-of-power-at-ifa-2023Read 16 October 2026All models available in black.

Black, Cream1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Colorways: Black, Cream.

Speaker typeiHome covers speakers made to stay in one place, including smart speakers. A speaker with Wi-Fi or a voice assistant can be of any type.

Home1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Maker calls it a connected hi-fi speaker with retro design for the home. It runs on mains power (100-240 V AC) and the maker lists no battery.

Home1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Page: Bluetooth home speaker.

Audio

8 of 18 differ

Audio channelsiSound channels reproduced by one speaker. Pairing two speakers for stereo is separate.

Other1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Sound system is listed as 3.1 and Dolby Atmos Music, with virtual Dolby Atmos. The enum has no 3.1 option, so other is stored.

Stereo1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Stereo/mono: Stereo. Sound channels of one speaker.

Audio driversiPowered audio transducers in one speaker. Passive radiators are counted separately. Circular diameter and rectangular width and height have separate columns. Per-driver power must state continuous or RMS basis and battery or mains operation in the source note.

AJBL Authentics 500

Driver type	Count	Diameter (mm)
Aluminum dome tweeter	3	25
Midrange driver	3	69.85
Down-firing subwoofer	1	165

Source1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Three 25 mm AI aluminum dome tweeters, three 69.85 mm (2.75 in) midrange drivers and one 16.5 cm (6.5 in) down-firing subwoofer, plus the SlipStream bass port. The sheet gives no per-driver power.

BMarshall Acton IV

Driver type	Count	Diameter (mm)
Woofer	1	101.6
Tweeter	2	19.05

Source1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026One 4 inches woofer and two 0.75 inch tweeters with waveguides. Converted exactly to 101.6 mm and 19.05 mm. The page lists amplifier ratings only, so no per-driver power is stored. Bass-reflex cabinet, so no passive radiator.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

Not available

Not available

Rated audio poweriMaker-published total rated continuous audio output. Battery power is used for portable speakers when mains and battery ratings differ. Peak marketing power is separate.

Not available

Not available

Rated audio power on mainsiTotal rated continuous audio output with external power. Store a separate battery rating when the maker publishes both.

Not available

Not available

Audio output power (unspecified rating)iMaker- or reviewer-published audio output power whose continuous or peak rating basis is not stated. This is separate from rated continuous output and explicitly published peak output.

270W1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Total speaker output power (max at 1% THD): 270 W. The sheet does not say continuous or peak, so the unspecified-rating field is used.

110W8Press articlesoyacincau.com/2026/08/17/marshall-acton-iv-and-stanmore-iv-speakers-launched-in-malaysia-priced-from-rm1699Read 14 October 2026Launch article: the Acton IV operates on a total power output of 110 W Class D amplification. This equals the maker's amplifier ratings of 60 W plus 2 x 25 W. No continuous, RMS or peak basis is stated, so it goes in the unspecified-rating field. LDLC lists 85 W RMS, which is not the sum of the maker's ratings and is not used.

Peak audio poweriExplicitly published peak audio output. Never substitute for rated continuous output.

Not available

Not available

Frequency response lower limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

40Hz1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 202640 Hz to 20 kHz at -6 dB.

37Hz1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Frequency range 37-38,000 Hz. Tolerance and mode are not stated.

Frequency response upper limit (claimed)iPublished acoustic frequency response limit. Tolerance and operating mode belong in the source note. The Bluetooth transmission range that some spec tables and retailers label Frequency Response, such as A2DP 20 to 20,000 Hz, is not stored.

20kHz1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 202640 Hz to 20 kHz at -6 dB.

38kHz1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Frequency range 37-38,000 Hz. Tolerance and mode are not stated.

Signal-to-noise ratio (claimed)

Not available

Not available

Adjustable equalizeriUser-adjustable frequency bands. Selecting fixed sound presets alone does not qualify.

Yes1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Volume, bass and treble controls on the speaker. The JBL One app adds equalizer settings.3Maker product pageapps.apple.com/us/app/jbl-one/id1610239857Read 16 October 2026Version 1.9.11 (25 October 2024) upgraded the equalizer with presets and more advanced customization.4Reviewtechradar.com/audio/hi-fi/wireless-bluetooth-speakers/jbl-authentics-500-reviewRead 16 October 2026App equalizer lets users adjust mid as well as bass and treble. No presets at review time. The band count was not stored because the app equalizer was later upgraded.

Yes9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-acton-iv-reviewRead 14 October 2026The Marshall app has a five-band equalizer with three presets of your liking. The M button cycles them.10Reviewheadphonecheck.com/test/marshall-acton-ivRead 14 October 2026App: five presets plus a 5-band EQ with three memory slots.

Equalizer bandsiNumber of user-adjustable frequency bands. Do not count sound presets.

Not available

59Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-acton-iv-reviewRead 14 October 2026Five-band equalizer in the Marshall app.10Reviewheadphonecheck.com/test/marshall-acton-ivRead 14 October 20265-band EQ. The review prints the dimensions as 171 x 150 x 260 mm labelled width, height and depth, copied from the maker page. That order is not used.

Automatic sound adjustmentiAdjusts audio to placement or playback conditions. Keep the named feature and conditions in the source note.

Yes1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Auto-tuning: the speaker calibrates and optimizes audio for each location every time it is powered on.2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Section 8.1.2: auto-tuning starts each time the speaker is connected to power and music starts. It takes three minutes and uses the microphones. It is disabled when the microphone is off.

Yes9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-acton-iv-reviewRead 14 October 2026The app has a placement compensation tool that optimizes the audio for the speaker's position. The maker page calls it placement compensation and room calibration. Dynamic Loudness is a separate loudness balance feature.

Sound modesiNamed playback modes. Battery extension modes are also qualified in battery source notes.

Not available

Not available

Wireless stereo pairingiTwo compatible speakers can play separate left and right channels.

Yes2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026The manual does not describe stereo pairing. See the JBL One app source.3Maker product pageapps.apple.com/us/app/jbl-one/id1610239857Read 16 October 2026Harman's JBL One app version history: version 1.7.19 (25 March 2024) added stereo pairing for the Authentics 500. Pairing depends on the model.

Not available

Speaker link protocolsiNamed systems for linking compatible speakers, such as PartyBoost, Auracast or Party Connect. Linking support does not establish compatibility across all models.

AirPlay 2 multi-room, Chromecast built-in multi-room, Alexa Multi-Room Music2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Section 7.1.6 covers multi-room playback with Chromecast, AirPlay and Alexa Multi-Room Music speakers. Up to 6 Chromecast speakers depending on network bandwidth. Max linked speakers is not stored because only the Chromecast limit is stated.

Auracast1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Multi-speaker connectivity through Auracast broadcasts. Marshall Heddon, sold separately, is the broadcaster for older Marshall speakers and for Acton IV.11Reviewtomsguide.com/audio/smart-speakers/marshall-acton-iv-reviewRead 14 October 2026Auracast-enabled and connects to its Homeline IV sibling. Multi-speaker connectivity is listed as unlimited with the Heddon hub. No numeric maximum is stored.

Max linked speakersiPublished maximum in a speaker group. A stereo pair is recorded separately. A figure such as 100+ is stored as 100.

Not available

Not available

Max Bluetooth group speakersiPublished maximum speakers in one Bluetooth playback group, including the first speaker. Source notes name the compatible models or families, linking system and firmware requirements. Wi-Fi groups and concurrent Bluetooth source devices are excluded. A stereo pair alone does not establish the maximum when other Bluetooth linking systems are supported. A figure such as 100+ is stored as 100.

Not available

Not available

Connectivity

9 of 16 differ

Bluetooth audio playbackiPlays audio streamed over Bluetooth from a phone or other source. Bluetooth used only for setup or app control does not count.

Yes6Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 20267Reviewblog.bestbuy.ca/review/jbl-authentics-500-high-fidelity-powered-speaker-reviewRead 16 October 2026

Yes1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026

Bluetooth versioniVersion of the Bluetooth radio. Some Wi-Fi speakers use Bluetooth only for setup. See Bluetooth audio playback.

5.31Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Bluetooth 5.3.2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026

5.31Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Wireless connectivity: Bluetooth 5.3.

Bluetooth codecsiExplicitly supported receive codecs. Bluetooth version alone does not establish codecs.

SBC6Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 2026Only SBC is stored. This review says SBC and AAC. Best Buy Canada's review says the speaker only supports SBC. SBC is the only codec all sources agree on. AAC is left out because of the conflict.7Reviewblog.bestbuy.ca/review/jbl-authentics-500-high-fidelity-powered-speaker-reviewRead 16 October 2026Spec list says Bluetooth 5.3 with SBC codec. Review text says it only supports the basic SBC protocol.

SBC, AAC, LDAC, LC31Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Codecs: SBC, AAC (MPEG-2), LDAC, LC3. Receive codecs.

Bluetooth profiles

A2DP 1.3.2, AVRCP 1.51Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026A2DP 1.3.2 and AVRCP 1.5.2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026

Not available

Bluetooth LE AudioiExplicit LE Audio support. Bluetooth LE for app control alone does not qualify.

Not available

Yes3Owner's manualassets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdfRead 14 October 2026The factory reset steps name a second Bluetooth entry, ACTON IV [LE], which is the LE Audio device. HeadphoneCheck's Acton IV review also mentions LE Audio.10Reviewheadphonecheck.com/test/marshall-acton-ivRead 14 October 2026Review text mentions LE Audio, and LC3 is in the codec list. Notebookcheck also says both speakers support LE Audio.

AuracastiExplicit Auracast support. Sending, receiving and speaker-group roles belong in source notes.

Not available

Yes1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Wireless connectivity lists Auracast. FAQ: Acton IV is an Auracast receiver and joins a broadcast from a Marshall broadcaster such as Heddon, or from phones with the Listen to Broadcast feature in the Marshall app. It does not state a broadcaster role.4Maker product pagemarshall.com/us/en/support/speakers/support-for-acton-ivRead 14 October 2026Acton IV is an Auracast receiver and can be added to a multi-speaker setup using a Marshall broadcaster such as Heddon.

MultipointiConcurrent Bluetooth source connections. Pairing memory and speaker-to-speaker linking do not qualify.

Yes2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Section 5.2.3: the speaker supports multipoint connection and a second Bluetooth device can pair without disconnecting the first. The number of devices is not stated.

Yes1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Bluetooth Multipoint Connectivity: Yes.

Multipoint source devicesiMaximum concurrently connected Bluetooth source devices, not remembered pairings.

Not available

23Owner's manualassets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdfRead 14 October 2026Pairing with a Bluetooth device: can connect to 2 Bluetooth devices at a time and remembers up to 8 previously paired devices.

Bluetooth range (claimed)iMaker-claimed Bluetooth range to the source device. Test conditions belong in the source note.

10m2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Section 5.2.3: the Bluetooth connection is lost beyond 10 m (33 ft). Stored as the maker's stated range.

10m1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Bluetooth range 10 m / 32.8 ft.

Wi-FiiBuilt-in Wi-Fi, for audio streaming, setup or control.

Yes1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026

No9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-acton-iv-reviewRead 14 October 2026Review states there is no Wi-Fi connectivity.11Reviewtomsguide.com/audio/smart-speakers/marshall-acton-iv-reviewRead 14 October 2026Review: Acton IV has no Wi-Fi streaming and no voice assistant support.

Wi-Fi standardsiOne 802.11 name per item, such as 802.11ax. A Wi-Fi generation is written as its standard, so Wi-Fi 5 is 802.11ac and Wi-Fi 6 is 802.11ax. Older standards are listed only when a source names them.

802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026IEEE 802.11 a/b/g/n/ac/ax at 2.4 GHz and 5 GHz.2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Section 9, Authentics 500 column: IEEE 802.11 a/b/g/n/ac/ax.

Not available

Network audio protocolsiNamed systems that stream audio to the speaker over the home network. AirPlay is written as AirPlay 2. Chromecast built-in is written as Google Cast. Other names follow the maker, such as Spotify Connect.

AirPlay 2, Google Cast, Spotify Connect, Alexa Multi-Room Music, Alexa Cast, Tidal Connect, Roon Ready1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Sheet names AirPlay, Alexa Multi-Room Music, Chromecast built-in and Spotify Connect. Alexa Cast and Roon Ready are from the manual. Tidal Connect is from reviews.2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Sections 5 and 7 name Chromecast built-in, AirPlay 2, Alexa Multi-Room Music, Alexa Cast and Spotify Connect. The trademark page names Roon Ready.4Reviewtechradar.com/audio/hi-fi/wireless-bluetooth-speakers/jbl-authentics-500-reviewRead 16 October 2026Spotify Connect, Tidal Connect, AirPlay 2, Alexa and Chromecast listed.5Reviewwhathifi.com/reviews/jbl-authentics-500Read 16 October 2026Review lists AirPlay 2, Chromecast, Spotify Connect and Tidal Connect, plus Alexa Multiroom.

Not available

USB audio inputiPlayback from a connected computer or phone through USB. Charging, service ports and USB flash-drive playback do not qualify.

Not available

Not available

USB drive playbackiPlayback of audio files on a connected USB storage device.

Not available

Not available

USB audio file formats

Not available

Not available

PortsiPhysical speaker connectors. Record charging, audio input, power output and service roles separately. A shared microphone and guitar jack is one port. A combo jack that takes XLR and 6.35 mm plugs is 6.35 mm audio, and the role names XLR. Optical is a TOSLINK digital audio socket.

AJBL Authentics 500

Connector	Count	Role
AC power	1	Mains power input for the supplied power cord
3.5 mm audio	1	AUX audio input
Other	1	Ethernet (RJ45) network connection
USB-C	1	Service port outside the US. On the US version it also plays MP3 and WAV files from USB storage. Rated 5 V DC, 1 A

Source2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Rear panel: power, USB, AUX (3.5 mm), Ethernet and a microphone slider. USB plays MP3 files only on the US version. Section 9: USB-C, 5 V DC 1 A, and USB playback in the US version while other versions use USB for service only.4Reviewtechradar.com/audio/hi-fi/wireless-bluetooth-speakers/jbl-authentics-500-reviewRead 16 October 2026Review lists USB-C, Ethernet, 3.5 mm aux and a 2-pin power port.6Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 2026Review lists a 3.5 mm aux input, an Ethernet socket and a USB-C port that is for service outside the US, plus a figure-of-8 power connector.

BMarshall Acton IV

Connector	Count	Role
3.5 mm audio	1	AUX audio input on the top panel
RCA	1	Stereo RCA audio input pair on the bottom panel, preamp required for turntables
AC power	1	Mains power input, 100 to 240 V

Source1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Wired connectivity lists AUX 3.5 mm. The features text and FAQ add the RCA input, and the manual shows both. Mains input voltage 100-240 V.3Owner's manualassets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdfRead 14 October 2026Top panel AUX 3.5 mm audio input. Bottom panel stereo RCA inputs, with an RIAA preamp for turntables, and the mains power input.

Controls and software

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SpeakerphoneiBuilt-in microphone and call support, through a connected phone or a voice assistant's calling. A microphone used only for voice commands does not count. Microphone inputs for karaoke are separate.

Not available

No1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Microphone system: No.

Voice assistantsiVoice assistants explicitly usable through the speaker, such as Amazon Alexa, Google Assistant, Siri or Sonos Voice Control. State whether a connected phone is required.

Amazon Alexa, Google Assistant1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Google Assistant and Amazon Alexa work at the same time through built-in microphones. They may not be available in all countries or languages.2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Section 6: Google Assistant and Alexa are set up in the JBL One app and used by voice over the home network. Bluetooth mode does not support voice commands. No phone is needed once set up.13Press releaseharman.com/india/pages/JBL-Introduces-Authentics-Series-of-In-Home-Audio-Speakers;-Blends-Timeless-Retro-Style-with-Premium-Sound.aspxRead 16 October 2026Alexa and Google Assistant are available at the same time on the same device.

Not available

Controls

Bluetooth source and pairing button, Play/pause button (double press for next track, triple press for previous track), Rotary volume control, Bass control, Treble control, Moment button for a saved playlist or speaker setting, Voice assistant microphone off slider on the rear2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Top panel: Bluetooth button, play controls (press once play or pause, twice next, three times previous), rotary volume, Moment button, treble and bass controls. Rear: voice assistant microphone slider.

Bass knob, Treble knob, Volume knob, Power switch, Media jog for play, pause and track change over Bluetooth, Customisable M-button, Source button1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Top panel controls: bass, treble, volume, power switch, media jog, M-button, source button.3Owner's manualassets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdfRead 14 October 2026Top panel: AUX input, source selector, audio controls for volume, bass and treble, M-button, media control, power switch.

Companion app

JBL One1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026

Marshall1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Compatible apps: Marshall app.

App platforms

iOS, Android2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Android or iOS device with the JBL One app.3Maker product pageapps.apple.com/us/app/jbl-one/id1610239857Read 16 October 2026App Store listing requires iOS 16 or later.

iOS, Android3Owner's manualassets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdfRead 14 October 2026Closing page offers the Marshall app on Google Play and the App Store.

User firmware updates

Yes1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026With a Wi-Fi connection the speaker receives software and feature updates automatically.2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Section 8.2: when connected to the internet the speaker software updates automatically to the latest version.

Yes3Owner's manualassets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdfRead 14 October 2026Troubleshooting: connect to the Marshall app and follow the in-app instructions to get the latest firmware.4Maker product pagemarshall.com/us/en/support/speakers/support-for-acton-ivRead 14 October 2026Ensure the firmware is up to date by connecting the product to the Marshall app.

Built-in lightingiDecorative or ambient lighting. Status, battery, connection and microphone indicator LEDs alone do not qualify.

Not available

Not available

Lighting modes

Not available

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Smart home

None of 3 known

Matter controlleriCan add and control Matter devices. Being a Matter device alone does not count.

Not available

Not available

Thread border routeriConnects Thread smart home devices to the home network.

Not available

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Zigbee hubiA built-in Zigbee radio that controls Zigbee smart home devices.

Not available

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Battery and charging

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Built-in battery

No2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Power source is 100-240 V AC mains only, with no battery in the specifications or the box.6Reviewtrustedreviews.com/reviews/jbl-authentics-500Read 16 October 2026Review says there is no integrated battery and no option to add one.

No9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-acton-iv-reviewRead 14 October 2026Designed for home use and needs the mains. It has no rechargeable battery.11Reviewtomsguide.com/audio/smart-speakers/marshall-acton-iv-reviewRead 14 October 2026Spec table: Battery life: Mains-powered.

Playback time (claimed)iMaximum maker-claimed music playback on one charge in normal playback mode. Battery extension or reduced-bass boost modes belong in battery_life_boost_h. Record volume and lighting conditions in the source note.

Not available

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Playback with battery extension (claimed)iTotal claimed runtime with the named battery extension mode enabled. Store the total, not only the extra hours. Keep sound and lighting restrictions in the source note.

Not available

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Battery energyiPublished battery pack energy. Do not calculate from an assumed voltage.

Not available

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Battery capacityiPublished pack capacity at the voltage in battery_voltage_v. Do not substitute power-bank output capacity. A figure written per cell, such as 5000mAh*2, is not a pack capacity unless the maker states the pack figure.

Not available

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Nominal battery voltage

Not available

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Battery chemistry

Not available

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User-replaceable batteryiBattery that the maker documents as replaceable by the user. Service replacement does not qualify.

Not available

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Full charge timeiTime from discharged to full under the maker conditions. Adapter rating and simultaneous use belong in source notes.

Not available

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Quick charge duration

Not available

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Playback after quick chargeiClaimed music playback after quick_charge_min of charging. Source conditions apply.

Not available

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Charging input ratingiPublished speaker input voltage and current. An adapter rating alone does not establish device input.

Not available

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Max charging inputiPublished maximum charging input. USB audio power requirements and adapter output are separate.

Not available

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USB Power Delivery charging

Not available

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Charges other devices

Not available

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Max power-bank outputiPublished power delivered by the speaker to another device. Output voltage and current belong in the source note.

Not available

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Wireless chargingiThe speaker battery can be charged wirelessly. Wireless power output to another device is separate.

Not available

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Durability

None of 5 known

Dust and water ratingiExact published IP rating. Keep separate ratings, such as IP68 and IP69, as separate entries.

Not available

Not available

Floats

Not available

Not available

Drop resistanceiExplicit maker claim or defined drop test. Do not infer from rugged wording.

Not available

Not available

Drop test heightiMaker-published tested height. Surface and conditions belong in source notes.

Not available

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Carry featuresiPublished handles, straps, carabiners or wheels.

Not available

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Measured

None of 6 known

Playback time (measured)iReviewer-measured playback per charge. Volume, lighting, sound mode, firmware and connection belong in the source note.

Not available

Not available

Max sound pressure (measured)iReviewer-measured maximum SPL. Distance, test method and power source belong in source notes.

Not available

Not available

Low-frequency extension (measured)iReviewer-measured low-frequency limit. Threshold and test method belong in source notes.

Not available

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High-frequency extension (measured)iReviewer-measured high-frequency limit. Threshold and test method belong in source notes.

Not available

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Audio latency (measured)iReviewer-measured source-to-speaker latency. Source device, app, codec, firmware and connection belong in source notes. App compensation may affect results.

Not available

Not available

Full charge time (measured)iReviewer-measured time from empty to full. Power adapter and method belong in the source note.

Not available

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Dimensions and weight

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DimensionsiSpeaker body width, height and depth on explicitly identified axes. Unlabeled tuples do not establish axis meanings. Handle, strap and orientation conditions belong in the source note.

Width447Height240Depth255.7mm(17.6 × 9.4 × 10.1 in)1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026447 x 240 x 255.7 mm, listed as width x height x depth. Package is 515 x 322 x 315 mm.

Width260Height171Depth150mm(10.2 × 6.7 × 5.9 in)1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026The product details block prints 260 x 171 x 150 mm. The hardware table labels the same numbers as width 171, height 150 and depth 260 mm, in the German and UK pages too. That order does not match the maker's own Stanmore IV table, where width, height and depth follow the printed order. LDLC labels width 260, height 171 and depth 150, and TechRadar prints 260 x 171 x 150 mm. The printed order is stored. This is a conflict in the maker page.9Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-acton-iv-reviewRead 14 October 2026Spec table prints 10.24 x 6.73 x 5.91 inches / 260 x 171 x 150 mm.13Retailer pageldlc.com/en/product/PB00747535.htmlRead 14 October 2026Retailer spec labels width 260 mm, height 171 mm and depth 150 mm, with weight 2.65 kg.

WeightiSpeaker mass including its battery. Excludes packaging, charger and removable carry accessories unless the source states otherwise.

7,800g(17.2 lb)1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 20267.8 kg for the speaker. 11.4 kg is the packed weight.

2,650g(5.8 lb)1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Weight 2.65 kg / 5.84 lb.

Body materials

Aluminum frame, Synthetic leather-wrapped enclosure, Quadrex grille1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Premium aluminum frame, custom synthetic leather-wrapped enclosure and reimagined Quadrex grille. The maker says it is made with 100% recycled fabric, 85% recycled plastic and 50% recycled aluminum.13Press releaseharman.com/india/pages/JBL-Introduces-Authentics-Series-of-In-Home-Audio-Speakers;-Blends-Timeless-Retro-Style-with-Premium-Sound.aspxRead 16 October 2026Premium aluminium frame, custom synthetic leather-wrapped enclosure and reimagined Quadrex grille. 100% recycled fabric, 85% recycled plastic and 50% recycled aluminum.

MDF cabinet, PU leather covering1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026MDF cabinet made from FSC 100%-certified material. The covering is leather-like material, named PU leather in the maker's launch release.5Press releasegroup.marshall.com/2026/07/07/marshall-unveils-next-generation-acton-iv-and-stanmore-iv-speakers-for-the-homeRead 14 October 2026Release names signature PU leather wrapping and an MDF cabinet from FSC 100%-certified wood.

Certifications

1 of 1 differ

FCC IDs

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Other certifications

Wi-Fi CERTIFIED 6, Roon Ready, FSC-certified paper packaging1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Shipped in an FSC-certified carton printed with soy ink.

FSC 100% certified wood for the MDF cabinet (FSC C225755)1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026FSC 100% certified wood (FSC C225755). The claim applies only to the wood cabinet.

In the box

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In the box

JBL Authentics 500 speaker, Power cord (quantity and plug type vary by region), Quick start guide, Safety sheet, Warranty card1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026Box contents table: 1 speaker, 1 power cord, 1 quick start guide, 1 safety sheet, 1 warranty card.

Acton IV speaker, Mains lead, Quick start guide, Legal and safety information1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Box contents: Acton IV speaker, mains lead, quick start guide, legal and safety information.

Links

Not compared

Product page

product.jbl.com/AUTHENTICS-500.html2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Product page URL printed in the manual's troubleshooting section for the Authentics 500.

www.marshall.com/us/en/product/acton-iv1Maker product pagemarshall.com/us/en/product/acton-ivRead 14 October 2026Maker's US product page for Acton IV.

Spec sheet

support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdf1Maker spec sheet (PDF)support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwa02cae3f/pdfs/JBL%20Authentics%20500_Specsheet_FR.pdfRead 16 October 2026

Not available

Manual

support.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdf2Owner's manualsupport.harmanaudio.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw3fc8d3e6/pdfs/HA_JBL_Authentics_200_&_500_OM_V8_ES-MX-.pdfRead 16 October 2026Mexican Spanish edition of the combined Authentics 200 and 500 owner's manual. No English edition was found on a host that could be read.

assets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdf3Owner's manualassets.ctfassets.net/javen7msabdh/2q5fFgyvxRLfv92NLj86Jz/0a4d833ac4fa00292ac253d488d5b7b9/Marshall_Acton_IV_OLM_260414_R1_2.pdfRead 14 October 2026Full online manual, 260414 R1.2, English first. Combined PDF with many languages.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

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Warranty

1 of 1 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

Not available

2years14Maker product pagemarshall.com/us/en/policies/warrantyRead 14 October 2026US market. Marshall's policy of 2025-02-13 gives a two-year limited warranty on speakers bought from marshall.com or a US authorized dealer, counted from purchase or delivery. The maker's support page says one year for all products and an exclusive two years for purchases on marshall.com. The two pages differ for dealer purchases, so two years applies to marshall.com purchases only. Statutory rights are excluded.15Maker product pagemarshall.com/us/en/support/warrantyRead 14 October 2026Support page: all products carry a 1-year warranty, and speakers bought online at marshall.com carry an exclusive 2-year warranty.

Both are also in the API. Back to all wireless speakers.