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JBL Go 4 vs JBL Xtreme 4

Product A: JBL

Go 4

46 of 96 known
Change JBL Go 4

Compare the JBL Xtreme 4 with

Product B: JBL

Xtreme 4

58 of 96 known
Change JBL Xtreme 4

Compare the JBL Go 4 with

34 of 87 fields differ

Download CSVDownload JSON
  • 18 different values
  • 16 known for one only
  • 20 the same
  • 33 missing for both

Biggest differences

Each bar uses the scale of all 82 wireless speakers.

  1. Rated audio powerA: 4.2WB: 70WXtreme 4 is 17 times higher.
  2. Playback time (claimed)A: 7hB: 24hXtreme 4 is 3.4 times higher.
  3. Charging timeLower is betterA: 3hB: 3.5hGo 4 is 0.5 h lower.

Size, drawn to scale

Front and side.

All 96 fields

Every value links to where we found it.

AJBL Go 4
BJBL Xtreme 4

General

2 of 8 differ
Series
Not available
Not available
Model numbers
JBLGO4WHTAM1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Item number on this exact page. Colour-specific retail SKU is one proven identifier, not an exhaustive regional SKU list.
JBLXTREME4BLKAM1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
GTIN / EAN
Not available
Not available
Announced
8 January 20245Press released21buns5ku92am.cloudfront.net/68766/documents/53768-1704707414-CES%202024%20JBL%20Portables%20Press%20Release%20EMEA%20Final%20v08.01-953b83.pdfRead 8 October 2026CES launch dated January 8, 2024.
8 January 20247Press releasenews.jbl.com/en-CEU/233279-music-is-better-connected-as-jbl-launches-its-first-auracasttm-enabled-portable-speakersRead 8 October 2026
Status
Available1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Maker offers this model for purchase on the accessed date.
Available1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Predecessor
JBL Go 39Reviewsoundguys.com/jbl-go-4-review-117126Read 23 October 2026SoundGuys calls the JBL Go 4 a worthy successor to the Go 3.
JBL Xtreme 310Reviewsoundguys.com/jbl-xtreme-4-100540Read 23 October 2026SoundGuys calls the Xtreme 3 the predecessor of the new JBL Xtreme 4.
Successor
JBL Go 510Reviewtechradar.com/audio/wireless-bluetooth-speakers/jbl-go-5-reviewRead 23 October 2026TechRadar's review says the Go 5 was released about two years after its predecessor, the JBL Go 4.
JBL Xtreme 511Reviewtechradar.com/audio/wireless-bluetooth-speakers/jbl-xtreme-5-reviewRead 23 October 2026TechRadar's review says the Xtreme 5 launched about two years after its predecessor, the JBL Xtreme 4.
Launch price (US)
Not available
Not available
Launch price (EU)
€49.995Press released21buns5ku92am.cloudfront.net/68766/documents/53768-1704707414-CES%202024%20JBL%20Portables%20Press%20Release%20EMEA%20Final%20v08.01-953b83.pdfRead 8 October 2026Published EMEA consumer launch price in euros. Separate from current discounts and USD retail prices.
Not available
Markets
Not available
Not available
Colours
Not available
Black, Blue, Black Camo1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Speaker type
Portable1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Maker explicitly identifies the speaker as portable or ultra-portable.
Portable1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

Audio

8 of 18 differ
Audio channels
Mono4Reviewsoundguys.com/jbl-go-4-review-117126Read 8 October 2026Review explicitly calls one speaker mono. Wireless stereo requires a second matching speaker.
Stereo5Measurementrtings.com/speaker/reviews/jbl/xtreme-4Read 8 October 2026
Audio drivers
AJBL Go 4
Driver typeCountDiameter (mm)Rated power per driver (W)
Driver1454.2
Source2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications states one 45 mm powered transducer and its RMS output. Passive radiator is separate.
BJBL Xtreme 4
Driver typeCountDiameter (mm)Rated power per driver (W)
Woofer27020
Tweeter22015
Source3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026Quick start guide TECH SPEC. Per-driver powers are battery mode. External-power mode is 30 W per woofer and 20 W per tweeter. All per-driver output figures are RMS ratings.
Passive radiators
Not available
21Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Rated audio power
4.2W2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications explicitly output power 4.2 W RMS.
70W4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026Explicit 70 W battery total in What you need to know. Matches maker battery component ratings.
Rated audio power on mains
Not available
100W4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026Explicit 100 W external-power total. Requires the AC-to-USB-C power source.
Audio output power (unspecified rating)
Not available
Not available
Peak audio power
Not available
Not available
Frequency response lower limit (claimed)
90Hz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications claimed lower limit. Tolerance not published. Not measured bass extension.
Not available
Frequency response upper limit (claimed)
20kHz2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications upper limit 20 kHz. Tolerance not published.
20kHz3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026TECH SPEC publishes this endpoint. No amplitude tolerance or operating-mode condition is stated.
Signal-to-noise ratio (claimed)
Not available
Not available
Adjustable equalizer
Yes1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026JBL Portable app provides adjustable sound controls. Review separately identifies the number of EQ bands.
Yes1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Equalizer bands
54Reviewsoundguys.com/jbl-go-4-review-117126Read 8 October 2026Review describes 5-band customizable EQ in JBL Portable. EQ options depend on speaker firmware and app version. Group playback can reset custom EQ.
54Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026Five-band custom EQ in JBL Portable v6.2.21 with speaker firmware .0.5.5.0.
Automatic sound adjustment
Not available
Yes1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026AI Sound Boost analyzes playback and predicts driver movement and power response. It limits distortion at high volume.
Sound modes
Playtime Boost2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Named maker battery extension mode Playtime Boost. It changes sound and is separate from normal playback.
Playtime Boost2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwd4772be5/pdfs/JBL_Xtreme_4_Specsheet_EN_(with_Adaptor).pdfRead 8 October 2026
Wireless stereo pairing
Yes1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Two speakers of the same model form a stereo pair. Cross-model grouping plays the same programme and does not establish stereo pairing.
Yes1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Speaker link protocols
Auracast1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Maker names Auracast. No backward compatibility with the other JBL linking generation is inferred.
Auracast, PartyBoost1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026Auracast links compatible JBL speakers. PartyBoost compatibility uses the JBL Portable app. Stereo pairing requires two Xtreme 4 speakers.
Max linked speakers
Not available
Not available
Max Bluetooth group speakers
Not available
Not available

Connectivity

5 of 16 differ
Bluetooth audio playback
Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026
Yes4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026
Bluetooth version
5.32Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Literal Bluetooth version from Technical Specifications. No codec inferred.
5.33Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Bluetooth codecs
Not available
SBC4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026
Bluetooth profiles
A2DP 1.4, AVRCP 1.62Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Literal profile versions from Technical Specifications.
A2DP, AVRCP 1.63Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026QSG says A2DP 1.4. Datasheet says A2DP 1.3. Only the undisputed A2DP profile name is stored. Both say AVRCP 1.6.
Bluetooth LE Audio
Not available
Not available
Auracast
Yes1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Maker explicitly supports JBL Auracast speaker grouping and same-model stereo pairing. Source-to-speaker universal Auracast receiver role not inferred.
Yes1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Multipoint
Yes1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Features explicitly says Multi-Point Connection Yes. Concurrent source count is separate.4Reviewsoundguys.com/jbl-go-4-review-117126Read 8 October 2026Review explicitly documents concurrent Bluetooth source connections.
Yes4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026
Multipoint source devices
24Reviewsoundguys.com/jbl-go-4-review-117126Read 8 October 2026Review explicitly says two sources simultaneously.
24Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026
Bluetooth range (claimed)
Not available
Not available
Wi-Fi
Not available
No5Measurementrtings.com/speaker/reviews/jbl/xtreme-4Read 8 October 2026
Wi-Fi standards
Not available
Not available
Network audio protocols
Not available
Not available
USB audio input
No4Reviewsoundguys.com/jbl-go-4-review-117126Read 8 October 2026Review explicitly says Bluetooth is the only audio connection, no wired audio input.
No4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026
USB drive playback
Not available
No4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026FAQ explicitly says the speaker cannot play music from USB.
USB audio file formats
Not available
Not available
Ports
AJBL Go 4
ConnectorCountRole
USB-C1Charging input
Source3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwc984891f/pdfs/PA_JBL_GO%204_QSG_Global_SOP.pdfRead 8 October 2026QSG charging diagram confirms one USB-C charging connector. No audio-input role assumed for charging connector.
BJBL Xtreme 4
ConnectorCountRole
USB-C1Charging input and power-bank output
Source3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026

Controls and software

1 of 8 differ
Speakerphone
No4Reviewsoundguys.com/jbl-go-4-review-117126Read 8 October 2026Review explicitly states no microphone for phone calls.
No5Measurementrtings.com/speaker/reviews/jbl/xtreme-4Read 8 October 2026
Voice assistants
Not available
Not available
Controls
Power, Bluetooth pairing, Auracast pairing, Play/pause, Volume up/down4Reviewsoundguys.com/jbl-go-4-review-117126Read 8 October 2026Review describes power, Bluetooth and Auracast controls and raised playback controls. Flip 7 and Charge 6 review action table identifies volume and play/pause buttons. Buttons are separate from app controls.8Reviewsoundguys.com/jbl-clip-5-vs-jbl-go-4-which-bluetooth-speaker-is-the-best-118579Read 8 October 2026How do you control section describes raised playback controls plus recessed power, Bluetooth and Auracast buttons. Exact generation comparison.
Power, Bluetooth pairing, Auracast linking, Volume up, Volume down, Play/pause, Next track, Previous track3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026PLAY diagram shows one press for play/pause, two for next track and three for previous track.
Companion app
JBL Portable1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Maker explicitly names JBL Portable.
JBL Portable1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
App platforms
Not available
Not available
User firmware updates
Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwc984891f/pdfs/PA_JBL_GO%204_QSG_Global_SOP.pdfRead 8 October 2026APP instruction says use JBL Portable for speaker configuration and software upgrade.
Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026APP section documents software upgrades through JBL Portable.
Built-in lighting
Not available
Not available
Lighting modes
Not available
Not available

Smart home

None of 3 known
Matter controller
Not available
Not available
Thread border router
Not available
Not available
Zigbee hub
Not available
Not available

Battery and charging

12 of 17 differ
Built-in battery
Yes2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications explicitly documents the built-in lithium-ion polymer battery.
Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Playback time (claimed)
7h2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications up to 7 h, dependent on volume level and audio content. Normal mode. Playtime Boost runtime is separate.
24h3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026Up to 24 hours. Depends on volume and audio content.
Playback with battery extension (claimed)
9h2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Total up to 9 h with Playtime Boost. Normal 7 h plus up to 2 h. Reduced bass and changed EQ documented by SoundGuys. Volume and content still affect runtime.
30h2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwd4772be5/pdfs/JBL_Xtreme_4_Specsheet_EN_(with_Adaptor).pdfRead 8 October 2026Page 2 claims 24 hours plus 6 additional hours with Playtime Boost. Total 30 hours in that mode. SoundGuys reports this mode reduces bass.4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 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.
Battery energy
3.23Wh2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Literal published pack energy. No cell voltage assumed.
68Wh3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Battery capacity
850mAh2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Literal published capacity at the stated nominal pack voltage. Not power-bank output capacity.
9,444mAh3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Nominal battery voltage
3.8V2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Literal nominal pack voltage published alongside Wh and mAh.
7.2V3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Battery chemistry
Lithium-ion polymer2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications identifies lithium-ion polymer.
Lithium-ion polymer3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
User-replaceable battery
Not available
Yes1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Full charge time
3h2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications full charge time. 5 V / 1 A input condition.
3.5h3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 20263.5 hours with 20 V / 3 A speaker input.
Quick charge duration
Not available
10min3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Playback after quick charge
Not available
2h3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Charging input rating
Not available
USB-C: 5 V, 9 V, 12 V, 15 V or 20 V at 3 A3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Max charging input
Not available
Not available
USB Power Delivery charging
Not available
Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026PD adapter and USB-C input are documented. The later no-adapter QSG explicitly calls the charging protocol USB PD.9Owner's manualuk.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwd6b1df7e/pdfs/LS_JBL_Xtreme_4_QSG_Global_No_Adaptor_CR_V5.pdfRead 8 October 2026CHARGING panel explicitly identifies USB PD fast charging. Adapter sold separately.
Charges other devices
Not available
Yes1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Max power-bank output
Not available
Not available
Wireless charging
Not available
Not available

Durability

1 of 5 differ
Dust and water rating
IP671Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Exact published IP rating. QSG specifies 1 m immersion for 30 minutes.
IP671Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026
Floats
Not available
Not available
Drop resistance
Not available
Not available
Drop test height
Not available
Not available
Carry features
Integrated carry loop1Maker product pagejbl.com/GO-4.htmlRead 8 October 2026Maker describes the integrated or supplied carry accessory.
Detachable shoulder strap with bottle opener1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

Measured

1 of 6 differ
Playback time (measured)
10.9h6Measurementtechgearlab.com/reviews/audio/bluetooth-speaker/jbl-go-4Read 8 October 2026Battery paragraph explicitly 10 h 54 min. Review updated May 29, 2026. General method fully charges battery and loops pink noise at 75% volume until shutdown. Firmware, EQ and Playtime Boost state are not specified for the individual run. Pink noise is different from the maker music-playback claim.7Measurementtechgearlab.com/topics/audio/best-bluetooth-speaker/how-we-testRead 8 October 2026Battery method: 100% charge, 75% volume, loop pink noise until shutdown, record time to minute. Individual speaker sound mode and firmware not stated.
27.2h5Measurementrtings.com/speaker/reviews/jbl/xtreme-4Read 8 October 2026Public Xtreme 5 comparison states 27.2 hours for Xtreme 4. Review uses test bench 0.8. RTINGS battery method loops audio at 80 dB SPL measured 1 m away. Speaker-specific firmware and Boost state are not publicly stated.6Measurementrtings.com/speaker/tests/active-features/batteryRead 8 October 2026Method: full charge, latest available firmware, repeated audio track at 80 dB SPL from 1 m until shutdown.
Max sound pressure (measured)
Not available
Not available
Low-frequency extension (measured)
Not available
Not available
High-frequency extension (measured)
Not available
Not available
Audio latency (measured)
Not available
Not available
Full charge time (measured)
Not available
Not available

Dimensions and weight

3 of 3 differ
Dimensions
Width94.3Height75.7Depth42.2mm(3.7 × 3 × 1.7 in)2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Technical Specifications explicitly labels W x H x D. Literal mm body dimensions. Packaging dimensions excluded.
Width297Height149Depth141mm(11.7 × 5.9 × 5.6 in)3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026TECH SPEC explicitly names width x height x depth.
Weight
Not available
2,100g(4.6 lb)3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdfRead 8 October 2026
Body materials
Post-consumer recycled plastic, Recycled fabric grille5Press released21buns5ku92am.cloudfront.net/68766/documents/53768-1704707414-CES%202024%20JBL%20Portables%20Press%20Release%20EMEA%20Final%20v08.01-953b83.pdfRead 8 October 202670% PCR plastic for Clip 5 and 80% for Go 4. Both have 100% PCR fabric grilles. Percentage describes relevant material content, not total speaker mass.
Post-consumer recycled plastic, Recycled fabric, Rubber bumpers1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026Recycled plastic and fabric stated in Features. Rubber bumpers stated in Description.

Certifications

None of 1 known
FCC IDs
Not available
Not available
Other certifications
Not available
Not available

In the box

1 of 1 differ
In the box
JBL Go 4, USB Type-C cable, Quick start guide, Warranty card and safety sheet2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw9308649c/pdfs/JBL%20Go%204_%20Specsheet_EN.pdfRead 8 October 2026Maker box list. USB Type-C cable included. No power adapter in maker box inventory.
JBL Xtreme 4, Shoulder strap, Quick start guide, Warranty card and safety sheet1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026Current US product-page box list. An adapter appears in earlier regional documents and is not listed in this current box list.

Warranty

None of 1 known
Manufacturer warranty (source market)
Not available
Not available

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