Wireless speakers / Compare

Bose Lifestyle Ultra Speaker vs Marshall Stanmore IV

A

Product A: Bose

Lifestyle Ultra Speaker

41 of 96 known

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B

Product B: Marshall

Stanmore IV

42 of 96 known

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Every value links to where we found it.

Only differences

ABose Lifestyle Ultra Speaker

BMarshall Stanmore IV

General

6 of 8 differ

Series

Lifestyle Collection4Press releasebose.com/pressroom/bose-lifestyle-collectionRead 15 October 2026The press release names the Bose Lifestyle Collection.

Not available

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

443508, 894001-1100, 894001-12002Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Regulatory page lists Model number 443508. The retail SKUs 894001-1100 and 894001-1200 come from the World Wide Stereo listings.10Retailer pageworldwidestereo.com/products/bose-lifestyle-ultra-speaker-each-blackRead 15 October 2026US listing for Black gives Model 894001-1100.

1009791, 1009793, 1009296, 1009298, 1009853, 10098541Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026Colour selector product ids 1009791 Black and 1009793 Cream, read from the page data. The German store lists 1009296 Black, 1009298 Cream, and also 1009853 Black and 1009854 Cream. John Lewis sells 1009853. Which ids differ by plug or region is not stated.2Maker product pagemarshall.com/de/de/product/stanmore-ivRead 14 October 2026German store page data lists variants STANMORE IV BLACK 1009296 and 1009853, STANMORE IV CREAM 1009298 and 1009854, all priced at EUR 399.11Retailer pagejohnlewis.com/marshall-stanmore-iv-bluetooth-speaker/black/p115377417Read 14 October 2026UK retailer lists manufacturer part number 1009853 for the Black model.

GTIN / EAN

017817858243, 01781785826710Retailer pageworldwidestereo.com/products/bose-lifestyle-ultra-speaker-each-blackRead 15 October 2026US listing for Black gives UPC 017817858243. The White listing at https://www.worldwidestereo.com/products/bose-lifestyle-ultra-speaker-each-white gives Model 894001-1200 and UPC 017817858267. A Driftwood Sand retail number is not confirmed, so it is left out.

7340055423571, 73400554236181Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026EAN in the US page data: 1009791 is 7340055423571 and 1009793 is 7340055423618. EANs of the other ids were not found.

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

5 May 20264Press releasebose.com/pressroom/bose-lifestyle-collectionRead 15 October 2026Press release dated May 5, 2026.

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

Available1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Add to Cart is active on the US page.

Available1Maker product pagemarshall.com/us/en/product/stanmore-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/stanmore-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

Not available

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.

$2994Press releasebose.com/pressroom/bose-lifestyle-collectionRead 15 October 2026US launch MSRP 299 USD for Black or White Smoke, excluding tax. The limited-edition Driftwood Sand finish was 349 USD. The Bose US page on 2026-10-15 lists 349 USD for Black, so the price has changed since launch.

$399.996Press articlesoundguys.com/marshall-acton-iv-and-stanmore-iv-launch-159646Read 14 October 2026Launch article of 2026-07-07: Stanmore IV USD 399.99. TechRadar gives USD 399.99 and Tom's Guide USD 399. The US store later shows USD 429.99 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.8Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-stanmore-iv-reviewRead 14 October 2026Price and release date: USD 399.99 / GBP 349.99 / AU$679, 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.

€349.955Press releasebose.de/pressroom/bose-lifestyle-collectionRead 15 October 2026German launch price 349.95 EUR for Black or White Smoke, as published, including VAT. Driftwood Sand was 369 EUR.

€3997Press articlehifi.blog/marshall-acton-iv-and-stanmore-iv-more-room-more-bass-more-marshallRead 14 October 2026Article of 2026-07-08 lists Stanmore IV at EUR 399. Stereonet of 2026-07-09 also gives EUR 399. The German maker store shows EUR 399 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, GB, DE4Press releasebose.com/pressroom/bose-lifestyle-collectionRead 15 October 2026Preorders opened on Bose.com, Bose.co.uk and Bose.de.

US, DE, FR, GB1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026US store page with USD price.2Maker product pagemarshall.com/de/de/product/stanmore-ivRead 14 October 2026German store sells it and shows an add to cart button.11Retailer pagejohnlewis.com/marshall-stanmore-iv-bluetooth-speaker/black/p115377417Read 14 October 2026Sold in the UK at GBP 349.99.12Retailer pageldlc.com/en/product/PB00747537.htmlRead 14 October 2026Sold in France at EUR 399.95 for Black.

ColoursiThe maker's own colour names

Black, White Smoke, Driftwood Sand1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026

Black, Cream1Maker product pagemarshall.com/us/en/product/stanmore-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 product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Home audio speaker that plugs into mains power. Bose lists it under Home Audio Speakers.

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

Audio

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

Not available

Stereo1Maker product pagemarshall.com/us/en/product/stanmore-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.

ABose Lifestyle Ultra Speaker

Driver type	Count	Diameter (mm)
Mid/bass driver	1	76
Tweeter	1	25
Up-firing mid/high driver	1	38

Source6Reviewwhathifi.com/speakers/wireless-speakers/bose-lifestyle-ultra-speakerRead 15 October 2026Review lists a 25 mm tweeter, a 7.6 cm mid/bass driver and a 3.8 cm up-firing driver. TechRadar gives 76 mm and 38 mm, and Tom's Guide gives 3 in, 1 in and 1.5 in. Bose publishes no driver sizes and no per-driver power.7Reviewtechradar.com/audio/wireless-bluetooth-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Features section: a forward-facing 76 mm mid/bass driver below a 25 mm tweeter, plus a 38 mm mid/high driver angled up through the top.

BMarshall Stanmore IV

Driver type	Count	Diameter (mm)
Woofer	1	127
Tweeter	2	19.05

Source1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026One 5 inch woofer and two 0.75 inch tweeters with waveguides. Converted exactly to 127 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.

Not available

110W9Reviewheadphonecheck.com/test/marshall-stanmore-ivRead 14 October 2026Review: three Class D amplifiers, 60 W for the woofer and 2 x 25 W for the tweeters, 110 W in total. The maker lists only the amplifier ratings, with no continuous, RMS or peak basis, so the total goes in the unspecified-rating field. The review also prints 2.99 kg for the weight, which conflicts with the maker's 3.99 kg 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.

Not available

36Hz1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026Frequency range 36-38,000 Hz. Tolerance and mode are not stated. HeadphoneCheck prints 37 Hz, which is not used.

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.

Not available

38kHz1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026Frequency range 36-38,000 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.

Yes2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Guide: bass, treble, center channel and height channel are adjusted in the Bose app. The guide does not give a band count.

Yes8Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-stanmore-iv-reviewRead 14 October 2026The Marshall app saves three EQ calibrations using a five-band equalizer. The M button cycles them.9Reviewheadphonecheck.com/test/marshall-stanmore-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.

39Reviewengadget.com/2173477/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Review describes a three-band EQ in the Bose app, plus a separate level for the up-firing driver. Tom's Guide also describes a 3-band EQ (treble, mid, bass) and a fourth control for height. The maker guide names bass, treble, center channel and height channel.11Reviewtomsguide.com/audio/smart-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Review describes a 3-band EQ (treble, mid, bass) plus a fourth control for height. Engadget also describes a three-band EQ in the Bose app.

58Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-stanmore-iv-reviewRead 14 October 2026Five-band equalizer in the Marshall app.9Reviewheadphonecheck.com/test/marshall-stanmore-ivRead 14 October 20265-band EQ.

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

No11Reviewtomsguide.com/audio/smart-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Review says the speaker does not support Bose's CustomTune room tuning. TechRadar also says there is no automatic room calibration. Bose describes TrueSpatial as content processing that adds height. What Hi-Fi describes TrueSpatial as analysing room dimensions, which these sources and Bose do not support.

Yes8Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-stanmore-iv-reviewRead 14 October 2026The app has placement compensation, which optimizes the audio output for the speaker's position. The maker page calls it 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.

Yes1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026FAQ: two Lifestyle Ultra Speakers can be configured as a stereo pair in the Bose app.

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.

Apple AirPlay 2 multiroom, Google Cast multiroom1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026FAQ: Lifestyle Collection products group for multiroom using Apple AirPlay or Google Cast. Other brands' compatible speakers can join those groups. No maximum group size is published.

Auracast1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026Multi-speaker connectivity through Auracast broadcasts. Marshall Heddon, sold separately, is the broadcaster for older Marshall speakers and for Stanmore IV.10Reviewtomsguide.com/audio/smart-speakers/marshall-stanmore-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

10 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.

Yes6Reviewwhathifi.com/speakers/wireless-speakers/bose-lifestyle-ultra-speakerRead 15 October 20267Reviewtechradar.com/audio/wireless-bluetooth-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026

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

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

5.33Maker product pagebose.de/p/speakers/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Bluetooth-Version 5.3. The page also lists Bluetooth Low Energy as a wireless connection, which is not LE Audio.

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

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

SBC, AAC6Reviewwhathifi.com/speakers/wireless-speakers/bose-lifestyle-ultra-speakerRead 15 October 2026Review says Bluetooth 5.3 supports the AAC and SBC codecs. It found no aptX or LDAC. TechRadar and HeadphoneCheck also list SBC and AAC only.7Reviewtechradar.com/audio/wireless-bluetooth-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Features section: Bluetooth 5.3 supports only the SBC and AAC codecs.

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

Bluetooth profiles

Not available

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/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_IV_OLM_260414_R1_2.pdfRead 14 October 2026The factory reset steps name a second Bluetooth entry, STANMORE IV [LE], which is the LE Audio device. HeadphoneCheck and Notebookcheck also state LE Audio support.9Reviewheadphonecheck.com/test/marshall-stanmore-ivRead 14 October 2026Review: Bluetooth 5.3 with LE Audio and Auracast support.

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

Not available

Yes1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026Wireless connectivity lists Auracast. FAQ: Stanmore 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-stanmore-ivRead 14 October 2026Stanmore 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.

Not available

Yes1Maker product pagemarshall.com/us/en/product/stanmore-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/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_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.

9m2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Reconnect section states the Bluetooth device must be within 30 ft (9 m). This is the only range figure the maker publishes.

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

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

Yes1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Page lists Wi-Fi and Bluetooth connectivity. The maker publishes no Wi-Fi standard. The stored standard comes from the Tom's Guide spec box.

No8Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-stanmore-iv-reviewRead 14 October 2026Review states the speaker has no Wi-Fi connectivity.10Reviewtomsguide.com/audio/smart-speakers/marshall-stanmore-iv-reviewRead 14 October 2026Review: Stanmore IV has no Wi-Fi streaming and no voice assistant support.12Retailer pageldlc.com/en/product/PB00747537.htmlRead 14 October 2026Retailer spec: Wi-Fi No. It also lists width 350, height 188 and depth 203 mm, which conflicts with the maker's 350 x 203 x 185 mm and is not used.

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.

802.11ax11Reviewtomsguide.com/audio/smart-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Spec box lists Connectivity: Wi-Fi 6, Bluetooth 5.3, 3.5mm, which is stored as 802.11ax. Bose publishes no Wi-Fi standard. The owner's guide regulatory text lists operation in the 2.4 GHz, 5 GHz and 5945 to 6425 MHz bands, so the radio also covers 6 GHz. Earlier standards such as 802.11n and 802.11ac are not stated by any source and are left out.

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 Connect1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026FAQ names Apple AirPlay, Google Cast, Spotify Connect and Amazon Alexa as the Wi-Fi playback options. The owner's guide states AirPlay 2.

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.

ABose Lifestyle Ultra Speaker

Connector	Count	Role
AC power	1	Mains power input
3.5 mm audio	1	AUX audio input

Source2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Guide describes a power port with a power cord and an AUX port on the back for a 3.5 mm cable. TechRadar and HeadphoneCheck confirm these are the only two rear connectors. TechRadar's spec table lists a USB-C charger port, which the maker guide does not support.7Reviewtechradar.com/audio/wireless-bluetooth-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Features section: the 3.5 mm analog input is the only physical connectivity besides power.

BMarshall Stanmore 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/stanmore-ivRead 14 October 2026Wired connectivity AUX 3.5 mm and RCA. Mains input voltage 100-240 V. Port positions and roles are from the manual.3Owner's manualassets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_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

3 of 8 differ

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.

No8Reviewsoundguys.com/bose-lifestyle-ultra-speaker-review-better-than-sonos-157251Read 15 October 2026Review says phone calls are not supported and the microphones serve Alexa only.

No1Maker product pagemarshall.com/us/en/product/stanmore-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, Alexa+1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026FAQ: supports Amazon Alexa and is ready for Alexa+ in the US. Alexa runs on the built-in microphones after setup in the Bose app. No phone is needed during use. Google Assistant works only from a separate Google Assistant device on the network, so it is not listed.

Not available

Controls

Play/pause, skip forward and skip backward by tap, Volume up and down buttons, Touch volume ring, Bluetooth pairing button, Action button for Alexa, Microphone off button2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Speaker controls page and media playback table: tap to play or pause, double-tap to skip forward, triple-tap to skip backward. Volume up, volume down and a volume ring, a Bluetooth button, an Action button for Alexa and a Microphone off button.

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/stanmore-ivRead 14 October 2026Top panel controls: bass, treble, volume, power switch, media jog, M-button, source button.3Owner's manualassets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_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. Pull the power switch to turn on.

Companion app

Bose2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026

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

App platforms

iOS, Android1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Support section links the Bose app on Google Play and the Apple App Store.

iOS, Android3Owner's manualassets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_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 product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026FAQ: the speaker downloads and installs updates overnight when it is on the home network. The owner's guide also describes a manual update button combination.

Yes3Owner's manualassets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_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-stanmore-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

Not available

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

Not available

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

Not available

Not available

Battery and charging

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Built-in battery

No7Reviewtechradar.com/audio/wireless-bluetooth-speakers/bose-lifestyle-ultra-speaker-reviewRead 15 October 2026Spec table: battery life N/A, plug-in only.8Reviewsoundguys.com/bose-lifestyle-ultra-speaker-review-better-than-sonos-157251Read 15 October 2026Review says the speaker has no built-in battery and must stay plugged in.

No8Reviewtechradar.com/audio/wireless-bluetooth-speakers/marshall-stanmore-iv-reviewRead 14 October 2026Designed for the home and powered from the mains. No battery is mentioned.10Reviewtomsguide.com/audio/smart-speakers/marshall-stanmore-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

Not available

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

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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.

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

100-240 V AC, 50/60 Hz, 20 W2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Regulatory page states Input Rating 100-240 V, 50/60 Hz, 20 W. This is the mains input rating, because the speaker has no battery.

Not available

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

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Floats

Not available

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

Not available

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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

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

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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

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

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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.

Width121.1Height184.7Depth167.5mm(4.8 × 7.3 × 6.6 in)3Maker product pagebose.de/p/speakers/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Technical specifications row Komplettes Produktsystem: 18.47 cm H x 12.11 cm W x 16.75 cm D (1.66 kg). The UK page gives 7.270 in H x 4.767 in W x 6.594 in D, which matches. Axes are named in the row. This is the speaker body.

Width350Height203Depth185mm(13.8 × 8 × 7.3 in)1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026Physical unit: width 350 mm, height 203 mm, depth 185 mm. The product details block prints 350 x 203 x 185 mm.

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

1,660g(3.7 lb)3Maker product pagebose.de/p/speakers/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Same row: 1.66 kg. The UK page gives 3.660 lb.

3,990g(8.8 lb)1Maker product pagemarshall.com/us/en/product/stanmore-ivRead 14 October 2026Weight 3.99 kg / 8.79 lb.10Reviewtomsguide.com/audio/smart-speakers/marshall-stanmore-iv-reviewRead 14 October 2026Spec table: 8.81 lbs, which matches 3.99 kg.

Body materials

Plastic (PC-ABS), Fabric, Rubber3Maker product pagebose.de/p/speakers/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Material des Produkts: Plastic (PC-ABS), fabric, rubber.

MDF cabinet, PU leather covering1Maker product pagemarshall.com/us/en/product/stanmore-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

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FCC IDs

A944435082Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Regulatory page: FCC ID A94443508.

Not available

Other certifications

FCC Part 15 Class B, ISED Canada license-exempt RSS, EU Radio Equipment Directive 2014/53/EU, EU Regulation 2023/826 (standby power)2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026Regulatory page: FCC Part 15 Class B, ISED Canada RSS, Directive 2014/53/EU and compliance with Commission Regulation (EU) 2023/826.

FSC 100% certified wood for the MDF cabinet (FSC C225755)1Maker product pagemarshall.com/us/en/product/stanmore-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

Bose Lifestyle Ultra Speaker, Power cord, Quick start guide1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026Page lists the speaker, power cord and quick start guide. The owner's guide says it may ship with several power cords for different regions.

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

Links

Not compared

Product page

www.bose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.html1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026

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

Spec sheet

Not available

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Manual

assets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdf2Owner's manualassets.bosecreative.com/m/6d84b6a079392696/original/899873_OG_LSULT-SPEAKERWIRELESS_en.pdfRead 15 October 2026

assets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_IV_OLM_260414_R1_2.pdf3Owner's manualassets.ctfassets.net/javen7msabdh/1Rv35yGbbxUe5eqN41fCsx/9c63350f5423c02844068a220dca6e81/Marshall_Stanmore_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.

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Warranty

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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.

1year1Maker product pagebose.com/p/bose-lifestyle-ultra-speaker/LSULT-SPEAKERWIRELESS.htmlRead 15 October 2026US page states a Bose 1-year limited warranty included with all Bose products. Other markets are not covered.

2years13Maker 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.14Maker 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.