Wireless speakers / Compare

JBL Boombox 4 vs Tribit XSound Go

A

Product A: JBL

Boombox 4

58 of 96 known

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B

Product B: Tribit

XSound Go

39 of 96 known

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All 96 fields

Every value links to where we found it.

Only differences

AJBL Boombox 4

BTribit XSound Go

General

5 of 8 differ

Series

Not available

XSound1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Tribit's menu lists XSound Go under the XSound 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

BTS38, E20-1368N-12, E20-1368N-23, E20-1368N-142Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakers.jsonRead 20 October 2026Maker store product data: SKUs E20-1368N-12 Black, E20-1368N-23 White, E20-1368N-14 Blue. BTS38 is the radio model in the manual and the declaration of conformity. The shipping weight field of 390 g is not product mass and is not used.3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications and the EU statement name the radio equipment Portable Wireless Speaker BTS38. The EU declaration of conformity lists model NO. BTS38, Portable Wireless Speaker, trademark Tribit.

GTIN / EAN

Not available

Not available

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

Not available

Status

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

Available1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026US store: Black is in stock with an Add to cart button. White shows sold out at the time of reading.

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.

Not available

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

Not available

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, EU, GB1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026The US store sells it in USD. The maker's EU store serves the same product id. EU and UK declarations of conformity exist for BTS38.

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.

Black, White, Blue1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Color selector: Black, White, Blue. Tom's Guide names the third color Beige, which the maker does not use.

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

Portable1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026The page sells it as a portable speaker: toss it in a backpack or purse. It runs on a built-in battery for up to 24 hours and has an IPX7 rating.

Audio

12 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

Stereo1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026The page heading says 16W Portable Speaker Loud Stereo Sound with dual 8W drivers. The left and right split inside one speaker is not documented further.

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.

BTribit XSound Go

Driver type	Count	Diameter (mm)
Driver	2	40

Source1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: driver size 2 x 40mm, 1 x passive radiator. The page text says dual 8W drivers. Per-driver power is not stored because no continuous or RMS basis is stated. The driver type is not stated.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review spec table: 2x 40mm drivers.

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

11Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: 1 x passive radiator. The page text mentions bass radiators in the plural.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review spec table: 1x passive radiator.

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.

Not available

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

16W1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: output power 2 x 8W, and the heading says 16W. No continuous, RMS or peak basis is stated, so the rated and peak fields stay empty.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review spec table: 16W, 2x 40mm drivers, 1x passive radiator.

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.

80Hz3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: frequency response range 80 to 20 kHz. No tolerance is published. This is a maker claim, not a measured extension.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review spec table: 80Hz to 20KHz, copied from the maker.

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.

20kHz3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: frequency response range 80 to 20 kHz.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review spec table: 80Hz to 20KHz.

Signal-to-noise ratio (claimed)

Not available

Not available

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

Not available

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

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

Yes1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026FAQ: supports TWS pairing or stereo pairing with another XSound Go unit.3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Stereo Mode page: speaker A and speaker B link as TWS after the voice announcements. Speaker A is held on the Bluetooth button for 5 seconds.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review: buying two lets you pair them for stereo sound.

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

TWS Stereo Mode1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026FAQ names TWS pairing. The manual calls it Stereo Mode.3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026The page is titled Stereo Mode and says TWS success is announced. No party mode that plays the same channel on both speakers is described.

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

23Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Only speaker A and speaker B are described. This is a speaker group count, not a count of source devices.

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.

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

Yes1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 20264Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 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

5.31Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: Bluetooth standard V5.3. This matches the manual and Tom's Guide. Older XSound Go hardware (BTS20 and BTS20C) had Bluetooth 4.2 or 5.0 and is a different revision.3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: Bluetooth version V5.3.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review of the current version: Bluetooth 5.3 with SBC, no AAC or LC3.

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.

SBC1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: audio codecs SBC. Tom's Guide agrees and says AAC and LC3 are not supported.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026SBC only.

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, AVRCP, HFP, HSP3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: Bluetooth protocol A2DP, AVRCP, HFP, HSP.

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.

Not available

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.

Not available

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.

Yes3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Pairing page: the speaker can connect to up to two Bluetooth devices at the same time.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review: multipoint lets you connect up to two devices at the same time.

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

Not available

23Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Pairing page: up to two Bluetooth devices at the same time. The stereo link to a second speaker is separate.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Up to two devices.

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

Not available

30.48m1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: wireless range up to 100 feet, stored as 30.48 m. Open-air test conditions are not stated.

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

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

Not available

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

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 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.

BTribit XSound Go

Connector	Count	Role
USB-C	1	Charging input
3.5 mm audio	1	Wired audio input, behind a rubber flap on the back

Source4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review: the 2026 version has USB-C. A 3.5mm port sits around the back behind a rubber flap and is used for wired playback.

Controls and software

6 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

Yes3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Controls page: press once to answer or end a call and hold 2 seconds to reject. The profiles include HFP and HSP. The manual does not name the built-in microphone.

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

Power button, Bluetooth pairing button, Play/pause button (once for play/pause, twice for next track, three times for previous track), Volume down button, Volume up button, Answer and end call (play button, once), Reject call (play button, hold 2 seconds), Reset (hold volume down and volume up for 5 seconds)3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Controls page and Power On/Off page. A short press of the power button switches the speaker on or off. The speaker shuts off after 15 minutes without audio. A microphone icon with a 2 second press is shown without a text label and is not stored as a voice assistant.

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

Not available

App platforms

Not available

Not available

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.

Not available

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

13 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

Yes3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Charging page and Specifications: built-in battery with a charging indicator, a 24 hour play time and about 4 hours charging.

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.

24h3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: play time 24 hours at 60% volume. The store FAQ adds that typical use gives 18 to 20 hours. This is the normal playback claim. No battery extension mode exists.

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

Not available

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

4,000mAh1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: battery 3.7V / 4000mAh. The manual writes the same pack as 2000mAh*2, which is two cells in parallel.

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

3.7V1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026Technical Specifications: battery 3.7V / 4000mAh.

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

Lithium3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Safety Precautions (Polish and Chinese text): the product has a built-in lithium battery.

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

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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

4h3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: charging time about 4 hours. The Charging page says fully charged takes about 4 hours. The store page lists 5 hours, so the manual value is stored.

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.

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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.

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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 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

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

Not available

7.5W3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026IC Caution page: the charger power must be between 0.75 W (minimum for the radio) and 7.5 W maximum to reach the maximum charging speed. No wall charger is included.

USB Power Delivery charging

Not available

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Charges other devices

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

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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.

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

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Durability

2 of 5 differ

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

IPX71Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026FAQ and manual: IPX7. The page says it withstands splashes, rain and brief submersion. A dust rating is not claimed.3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: waterproofing grade IPX7.4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review: IPX7, submersible to 1 m for up to 30 minutes, not dustproof. No dust rating is claimed.

Floats

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

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

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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

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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.

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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

3 of 3 differ

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.

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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

380g(13.4 oz)3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Specifications: weight 380 g. The store page lists 0.86 lb (about 390 g), so the manual value is stored. Tom's Guide gives 13.44 oz (381 g).4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review: 13.44 oz, which is 381 g.

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.

Rubberized coating, Metal grille4Reviewtomsguide.com/audio/bluetooth-speakers/tribit-xsound-go-reviewRead 20 October 2026Review: matte rubberized outer shell and a front metal grille.

Certifications

None of 1 known

FCC IDs

Not available

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Other certifications

Not available

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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.

XSound Go speaker, USB charging cable3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Last page icons: speaker, USB charging cable and a crossed-out wall charger. The connector type of the cable is not readable. No user manual or other item is shown.

Links

Not compared

Product page

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

www.tribit.com/products/tribit-xsound-go-bluetooth-speakers1Maker product pagetribit.com/products/tribit-xsound-go-bluetooth-speakersRead 20 October 2026US store page. Current prices are $39.99 for Black and $42.99 for White and Blue. They are not launch prices.

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

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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

cdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdf3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Maker manual for XSound Go BTS38(20D), file dated 250319. The manual is a raster booklet. All ten pages were rendered and read.

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.

Not available

1year3Owner's manualcdn.shopify.com/s/files/1/0616/1838/9239/files/XSoundGo_BTS38_20D_-User_Manual-250319.pdfRead 20 October 2026Safety Precautions, English: 12-month warranty. US store reference.

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