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JBL Boombox 4 vs JBL PartyBox Encore Essential 2

A

Product A: JBL

Boombox 4

58 of 96 known

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B

Product B: JBL

PartyBox Encore Essential 2

51 of 96 known

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All 96 fields

Every value links to where we found it.

Only differences

AJBL Boombox 4

BJBL PartyBox Encore Essential 2

General

7 of 8 differ

Series

Not available

PartyBox1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026The sheet places the speaker in the JBL PartyBox line.

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

JBLBOOMBOX4WHTAM1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

JBLPBENCOREESS2AM, JBLPBENCOREESS2EP, JBLPBENCOREESS2JN3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026US listing gives Model Number JBLPBENCOREESS2AM. The Euronics listing gives JBLPBENCOREESS2EP and the e-earphone listing JBLPBENCOREESS2JN.

GTIN / EAN

Not available

050036411059, 49689292249753Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026US listing gives UPC 050036411059. The Global Trade Identification Number on the same listing is a different 14-digit code that is not stored. The e-earphone listing gives the Japanese JAN 4968929224975 for JBLPBENCOREESS2JN, which is stored too. Amazon US lists Audio Output Mode Stereo and 2 audio channels while ComparisonTables lists 1.0 (mono). The maker states no channel count, so audio_channels is left out.6Retailer pagee-earphone.jp/products/612079Read 15 October 2026Listing shows JAN 4968929224975 directly after the model title for JBLPBENCOREESS2JN.

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

3 September 20254Press releasenews.harman.com/releases/jbl-boombox-4-massive-power-iconic-bass-and-a-lighter-buildRead 8 October 2026

6 January 20252Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026HARMAN press release from CES 2025, Las Vegas, dated 2025-01-06.

Status

Available1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Available3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Add to cart is active.

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.

$549.954Press releasenews.harman.com/releases/jbl-boombox-4-massive-power-iconic-bass-and-a-lighter-buildRead 8 October 2026US launch MSRP. Tax excluded.

$329.952Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026The model table lists 329.95 USD for the PartyBox Encore Essential 2. The release text says the new speakers retail from 299 to 799 USD, and SoundGuys' CES report gives 299 USD for this model. The text range and the table disagree, so the per-model table price is used. ComparisonTables and SoundGuys' later deal article also give 329.95 USD as the recommended retail price.8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists MSRP 329.95 USD. SoundGuys also gives 329.95 USD as the recommended retail price. This is a list price and not a dated launch announcement.9Press articlesoundguys.com/jbl-partybox-encore-essential-2-deal-160412Read 15 October 2026Deal article says 229.99 USD at Amazon, down from its 329.95 USD recommended retail price. The article's tweeter size of 1.75 in does not match the maker sheet and is not used.

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.

Not available

€299.9910Press articlenextpit.de/deals/jbl-partybox-encore-essential-2-bestpreis-otto-jackpot-dealRead 15 October 2026German deal article of 22 Oct 2025 names a recommended retail price (UVP) of 299.99 EUR, including VAT. hifi.de and the Estonian Euronics listing show the same figure. This is a list price and not a dated launch announcement.

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

Not available

US, DE, EE, AU, NZ, JP3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Sold in the US. Other markets come from the Telstra, JB Hi-Fi, Euronics, nextpit and e-earphone listings.4Retailer pagetelstra.com.au/accessories/speakers/jbl/encore-essential-2-partybox-speakerRead 15 October 2026Australian retailer page. It repeats the maker specification list, including 319.5 x 342 x 260.4 mm and 6.2 kg.5Retailer pageeuronics.ee/en/audio/portable-speakers/party-speakers/jblpbencoreess2epRead 15 October 2026Estonian retailer page, product code JBLPBENCOREESS2EP. Its specification tab agrees on 40 - 20000 Hz, 100 W, Bluetooth 5.4, 4722 mAh, 15 h, 3.5 h, IPX4 and 31.95 x 34.2 x 26.04 cm. It also says WiFi: No. The 8.25 kg weight on that page is the packaged weight and is not used.

ColoursiThe maker's own colour names

Black, Blue, Squad, White1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026Product selector includes Black, Blue, Squad and White.

Black3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Listing offers Black.

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.

Portable1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Party1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Portable party speaker per the sheet title.

Audio

11 of 18 differ

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

Stereo6Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026

Not available

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 Boombox 4

Driver type	Count	Diameter (mm)	Rated power per driver (W)
Woofer	2	123	60
Tweeter	2	20	40

Source2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026Page 2. Battery mode is 60 W per woofer and 40 W per tweeter. AC mode increases each woofer to 65 W. All per-driver output figures are RMS ratings.

BJBL PartyBox Encore Essential 2

Driver type	Count	Diameter (mm)
Woofer	1	135
Dome tweeter	2	20

Source1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Transducers: 1 x 5.25 inch (135 mm) woofer and 2 x 0.75 inch (20 mm) dome tweeters. No per-driver power is published.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

32Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

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.

200W5Press releasenews-latam.harman.com/pt/releases/jbl-boombox-4-potencia-massiva-graves-iconicos-e-estrutura-mais-leveRead 8 October 2026Maker launch release explicitly publishes 200 W RMS on battery.

100W1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Output power 100 W RMS (IEC60268). No separate battery and mains rating is published.

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

210W5Press releasenews-latam.harman.com/pt/releases/jbl-boombox-4-potencia-massiva-graves-iconicos-e-estrutura-mais-leveRead 8 October 2026Maker launch release explicitly publishes 210 W RMS with AC power.

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

Not available

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.

37Hz2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026TECH SPEC publishes this endpoint. No amplitude tolerance or operating-mode condition is stated.

40Hz1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as 40 Hz - 20 kHz (-6 dB).

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.

20kHz2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026TECH SPEC publishes this endpoint. No amplitude tolerance or operating-mode condition is stated.

20kHz1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as 40 Hz - 20 kHz (-6 dB).

Signal-to-noise ratio (claimed)

Not available

80dB1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as > 80 dB. 80 is stored as the lower bound.

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

Yes6Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026

Not available

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

76Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026Seven-band custom EQ in JBL Portable v6.8.30. Tested firmware 25.29.10.

Not available

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

Yes1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026AI Sound Boost analyzes the audio in real time and adapts output to reduce distortion.

Not available

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

Deep Bass, Punchy Bass, Playtime Boost4Press releasenews.harman.com/releases/jbl-boombox-4-massive-power-iconic-bass-and-a-lighter-buildRead 8 October 2026

Bass Boost8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists one sound mode button, Bass boost.

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

Yes1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet says two speakers pair for true stereo through Auracast.

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

Auracast1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Auracast1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet says the speaker links with other JBL Auracast-enabled speakers. No maximum group size is published.

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

7 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.

Yes6Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

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

5.42Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

5.41Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

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

SBC, AAC, LC36Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026How does it connect explicitly lists SBC, AAC and LC3.

Not available

Bluetooth profiles

A2DP 1.4, AVRCP 1.62Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

A2DP 1.4, AVRCP 1.6, TMAP 1.0, PBP 1.01Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as A2DP V1.4, AVRCP V1.6(SW), TMAP1.0 and PBP1.0.

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

Yes8Reviewrtings.com/speaker/reviews/jbl/boombox-4Read 8 October 2026Public Videos/Movies text explicitly describes Bluetooth LE Audio and LC3 on compatible Android sources. iOS uses the conventional codec path.

Yes2Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026Release and table list Bluetooth v5.4 with LE audio for the PartyBox Encore Essential 2. The maker spec sheet lists TMAP 1.0 and PBP 1.0 profiles.

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

Yes1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026Links compatible JBL Auracast speakers. Stereo pairing uses two Boombox 4 speakers.

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Multi-speaker connection by Auracast. The sheet does not state sender and receiver roles.

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

Yes9Reviewtechgearlab.com/reviews/audio/bluetooth-speaker/jbl-boombox-4Read 8 October 2026Specifications table explicitly confirms multipoint pairing. Device-count maximum is not stored.

Not available

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

Not available

Not available

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

Not available

Not available

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

No8Reviewrtings.com/speaker/reviews/jbl/boombox-4Read 8 October 2026

No11Reviewtest-aankoop.be/hightech/draadloze-speakers/vergelijker/jbl-partybox-encore-essential-2/461/121090Read 15 October 2026Public spec rows list Wifi verbinding as Nee.

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.

Not available

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.

Not available

Not available

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

Yes1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Not available

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

Not available

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet lists USB format FAT16 and FAT32 and supported USB formats.

USB audio file formats

Not available

MP3, WAV, FLAC1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet lists .MP3, .WAV and .FLAC and marks them not for the EMEA region. Japan lists WMA as well, which is not retained.

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 Boombox 4

Connector	Count	Role	Version
AC power	1	Mains power and battery charging	Not available
USB-C	1	Lossless digital audio input and power-bank output	USB 2.0

Source3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwf536ac62/pdfs/PA_JBL_Boombox%204_QSG_Global_SOP_V8_Online.pdfRead 8 October 2026LOSSLESS AUDIO PLAYBACK panel identifies USB 2.0. USB-C is also used for power-bank output. Charging panel uses AC power.

BJBL PartyBox Encore Essential 2

Connector	Count	Role
AC power	1	Mains power and battery charging
USB-C	1	USB drive music playback and power-bank output
3.5 mm audio	1	AUX audio input
6.35 mm audio	1	Shared microphone and guitar input

Source1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet lists AC power input, a USB port (charge out and playback), a 3.5 mm Aux-In and Mic-In and Guitar-In inputs.8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists one USB-C port for playback and power-bank output, a 3.5 mm AUX input, one shared guitar and microphone TRS input and an AC charging port. The maker sheet gives no connector type for the USB port. The Amazon product photo of the rear panel shows one USB-C port, one AUX IN jack and one microphone and guitar jack with a selector and gain knob.

Controls and software

5 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.

No6Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026

No8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists no built-in microphone. The microphone input is for karaoke.

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.

Not available

Not available

Controls

Power, Bluetooth pairing, Auracast linking, Volume up, Volume down, Play/pause, Next track, Previous track, Bass Boost3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwf536ac62/pdfs/PA_JBL_Boombox%204_QSG_Global_SOP_V8_Online.pdfRead 8 October 2026

Not available

Companion app

JBL Portable3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwf536ac62/pdfs/PA_JBL_Boombox%204_QSG_Global_SOP_V8_Online.pdfRead 8 October 2026

JBL PartyBox1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet names the JBL PartyBox App for music, EQ settings and light show.

App platforms

Not available

Android, iOS11Reviewtest-aankoop.be/hightech/draadloze-speakers/vergelijker/jbl-partybox-encore-essential-2/461/121090Read 15 October 2026Public spec rows list an Android app and an iOS app. The Euronics listing says the app is on the App Store and Google Play.

User firmware updates

Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwf536ac62/pdfs/PA_JBL_Boombox%204_QSG_Global_SOP_V8_Online.pdfRead 8 October 2026APP section documents software upgrades through JBL Portable.

Not available

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

Yes4Press releasenews.harman.com/releases/jbl-boombox-4-massive-power-iconic-bass-and-a-lighter-buildRead 8 October 2026LED horn logos on passive radiators pulse when Bass Boost is enabled.

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Dynamic light show with glowing light patterns and strobe effects.

Lighting modes

Deep Bass: orange logo, Punchy Bass: white logo4Press releasenews.harman.com/releases/jbl-boombox-4-massive-power-iconic-bass-and-a-lighter-buildRead 8 October 2026Deep Bass illuminates logos orange. Punchy Bass illuminates them white.

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

9 of 17 differ

Built-in battery

Yes2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

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.

28h2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026Up to 28 hours. Depends on volume and audio content.

15h1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Up to 15 hours. The sheet says playtime varies by volume level and audio content and gives no volume or lighting conditions.

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.

34h2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 202628 hours plus 6 hours with Playtime Boost gives 34 hours total in that mode.6Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026Playtime Boost extends runtime by reducing bass. The normal maker runtime and extension-mode total are separate. The maker source supplies the total-hour claim.

Not available

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

99.02Wh2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

34Wh1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Li-ion battery, 34 Wh (7.4 V / 4722 mAh). The sheet gives both figures. 7.4 V x 4.722 Ah is 34.9 Wh, a little above the stated 34 Wh. Both are stored as published.

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.

4,584mAh2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

4,722mAh1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Li-ion battery, 34 Wh (7.4 V / 4722 mAh).

Nominal battery voltage

21.6V2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

7.4V1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Li-ion battery, 34 Wh (7.4 V / 4722 mAh).

Battery chemistry

Lithium-ion2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

Lithium-ion1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026

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

Yes1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Not available

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

3h2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

3.5h1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Published as < 3.5 hours with the speaker off. 3.5 is stored as the upper bound.

Quick charge duration

10min3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwf536ac62/pdfs/PA_JBL_Boombox%204_QSG_Global_SOP_V8_Online.pdfRead 8 October 2026CHARGING panel: 10 minutes charging gives 2.5 hours playback.

10min2Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 2026Release says a quick 10 minute charge delivers an additional 80 minutes of playback for the Encore 2 and Encore Essential 2.

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

2.5h3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwf536ac62/pdfs/PA_JBL_Boombox%204_QSG_Global_SOP_V8_Online.pdfRead 8 October 2026CHARGING panel: 10 minutes charging gives 2.5 hours playback.

1.33h2Press releasenews.harman.com/releases/jbl-solidifies-its-spot-as-theRead 15 October 202680 minutes of playback after 10 minutes of charging is stored as 1.33 hours, which is 80/60 rounded to two decimals. The release gives no volume or lighting conditions, and the spec sheet does not repeat the figure.

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

100-240 V AC, 50/60 Hz2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

100-240 V AC, 50/60 Hz1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Power input 100 - 240 V ~ 50/60 Hz.

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

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Charges other devices

Yes1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Yes1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026USB charge out 11 V / 2 A (max) with the speaker off. No watt figure is published on the sheet.

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

Not available

22W8Spec databasecomparisontabl.es/bluetooth-speakers/jbl-partybox-encore-essential-2Read 15 October 2026Lists the power-bank function as one USB-C output at 22 W. This equals the 11 V / 2 A maximum on the maker sheet. The same page lists the USB port as USB-C, as does the e-earphone listing, while Euronics calls it USB-A.

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

Not available

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Durability

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

IP681Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

IPX41Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026IPX4 splash proof.

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.

Integrated carry handle6Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026

Grab-and-go handle1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet and features list a grab-and-go handle.

Measured

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

34.93h7Measurementsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 202634 hours 56 minutes, converted to hours. Consistent music samples at 80 dB measured 1 m away. Deep Bass enabled. Firmware 25.29.10, JBL Portable v6.8.30. At this output level the speaker exceeds the maker runtime. Lighting state and Bluetooth codec are not stated.

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.

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

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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.

Width506.4Height262.9Depth212.9mm(19.9 × 10.4 × 8.4 in)2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026Page 2 explicitly names width x height x depth.

Width319.5Height342Depth260.4mm(12.6 × 13.5 × 10.3 in)1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Product dimensions (W x H x D) 319.5 mm x 342 mm x 260.4 mm. Some other published sheets give a different height and weight. See the Amazon listing note.3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Listing gives 10.25 in D x 12.58 in W x 13.46 in H and 13.7 lb, which matches the spec sheet. Another US retailer page (electronicsexpo.com) shows 319.5 x 338.6 x 263 mm and 6.4 kg for the same product, so the maker data is not consistent across sheets.

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

5,890g(13 lb)2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026

6,200g(13.7 lb)1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Net weight 6.2 kg. Gross weight with packaging is 8.25 kg.3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026Listing gives 13.7 lb (6.2 kg), which matches the spec sheet.

Body materials

Post-consumer recycled plastic, Recycled fabric, Plastic handle, Rubber bumpers1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 20266Reviewsoundguys.com/jbl-boombox-4-review-lighter-louder-and-better-than-the-boombox-3-149309Read 8 October 2026Review identifies plastic integrated handle and rubber bumpers. Maker supplies recycled-material facts.

Post-consumer recycled plastic1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Sheet says the speaker incorporates post-consumer recycled plastic.

Certifications

None of 1 known

FCC IDs

Not available

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Other certifications

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In the box

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In the box

JBL Boombox 4, AC power cord, Quick start guide, Safety sheet, Warranty card2Maker spec sheet (PDF)support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdfRead 8 October 2026Power cord plug and quantity vary by region.

JBL PartyBox Encore Essential 2 speaker, AC power cord, Quick-start guide, Safety instruction and warranty card1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026Speaker, quick-start guide, safety instruction and warranty card, and an AC power cord whose quantity and plug type vary by region.

Links

Not compared

Product page

www.jbl.com/BOOMBOX-4.html1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Not available

Spec sheet

support.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw5c227499/pdfs/JBL_Boombox_4_Specsheet_EN.pdf1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdf1Maker spec sheet (PDF)static.pcrichard.com/docs/PBENCORE2_Specifications-Sheet_01.pdfRead 15 October 2026JBL (HARMAN) product spec sheet, copyright 2025. The file is hosted on a US retailer server because the maker site is not readable here. The same sheet is hosted by a Russian retailer.

Manual

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwf536ac62/pdfs/PA_JBL_Boombox%204_QSG_Global_SOP_V8_Online.pdf1Maker product pagejbl.com/BOOMBOX-4.htmlRead 8 October 2026

Not available

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

Not available

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.

Not available

1year3Retailer pageamazon.com/JBL-PartyBox-Encore-Essential-Battery-Powered/dp/B0DSJXBMTCRead 15 October 2026US listing: 1 Year Manufacturer warranty. Other markets are not covered.

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