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JBL Xtreme 4 vs Ultimate Ears MEGABOOM 4

A

Product A: JBL

Xtreme 4

58 of 96 known

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B

Product B: Ultimate Ears

MEGABOOM 4

48 of 96 known

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Every value links to where we found it.

Only differences

AJBL Xtreme 4

BUltimate Ears MEGABOOM 4

General

5 of 8 differ

Series

Not available

BOOM1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Maker page names PartyUp pairing with BOOM, EVERBOOM, EPICBOOM and HYPERBOOM speakers. Series follows the BOOM label used for the other Ultimate Ears BOOM-family records.

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

JBLXTREME4BLKAM1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

SR0193, 984-001964, 984-001989, 984-001994, 984-0019991Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026SR0193 is the model number on the label of the bottom cap per the Logitech specification article. The 984- numbers are the colour SKUs in the page product data. 984-001964 is Active Black, 984-001989 is Cobalt Blue, 984-001994 is Raspberry Red and 984-001999 is Enchanting Lilac.2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists model number SR0193 on the label on the bottom cap.

GTIN / EAN

Not available

Not available

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

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

26 June 20246Press releasesilicon.co.uk/press-release/the-rugged-ultimate-ears-everboom-superior-sound-that-is-waterproof-dustproof-and-floatableRead 10 October 2026Logitech and Ultimate Ears press release (mirror) announces EVERBOOM, WONDERBOOM 4, BOOM 4 and MEGABOOM 4. MEGABOOM 4 MSRP is $199.99 and North America availability starts June 26, 2024.

Status

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

Available1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Maker offers the speaker for purchase on the accessed date.

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

JBL Xtreme 310Reviewsoundguys.com/jbl-xtreme-4-100540Read 23 October 2026SoundGuys calls the Xtreme 3 the predecessor of the new JBL Xtreme 4.

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.

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.

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.

Not available

$199.994Reviewtechradar.com/audio/wireless-bluetooth-speakers/ultimate-ears-megaboom-4-reviewRead 10 October 2026Review states an official price of $199.99, GBP 169.99 and AU$349.95. US market.

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

US1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026US store page priced in USD.

ColoursiThe maker's own colour names

Black, Blue, Black Camo1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

Active Black, Cobalt Blue, Raspberry Red, Enchanting Lilac1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Maker colour names from the product schema of the page.

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/XTREME-4.htmlRead 8 October 2026

Portable1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Maker markets the speaker as portable. It is described as floatable and for use at the pool, beach or shower.

Audio

11 of 18 differ

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

Stereo5Measurementrtings.com/speaker/reviews/jbl/xtreme-4Read 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 Xtreme 4

Driver type	Count	Diameter (mm)	Rated power per driver (W)
Woofer	2	70	20
Tweeter	2	20	15

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.

BUltimate Ears MEGABOOM 4

Driver type	Count	Width (mm)	Height (mm)
Full-range driver	2	50	50

Source2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Driver size is two 4 ohm full-range drivers of 50 mm x 50 mm (2 in). Power ratings are not published.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

21Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

22Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Two passive radiators of 55 mm x 86 mm.

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.

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.

Not available

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

100W4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026Explicit 100 W external-power total. Requires the AC-to-USB-C power source.

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.

Not available

60Hz2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Frequency response 60 Hz to 20 kHz. Tolerance is not stated.

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

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.

20kHz2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Frequency response 60 Hz to 20 kHz. Tolerance is not stated.

Signal-to-noise ratio (claimed)

Not available

Not available

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

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

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/17139008505879-Getting-Started-UE-MEGABOOM-4Read 10 October 2026The UE | BOOM app lets users drag to adjust the EQ balance and save one custom EQ. The number of bands is not published.

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

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.

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/XTREME-4.htmlRead 8 October 2026AI Sound Boost analyzes playback and predicts driver movement and power response. It limits distortion at high volume.

Not available

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

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

Not available

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

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

Not available

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

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.

PartyUp1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026PartyUp in the UE | BOOM app.

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

1501Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Page states PartyUp pairs 1, 2, 3 and over 150 speakers. The Logitech getting started article states up to 150 speakers.3Owner's manualsupport.logi.com/hc/en-us/articles/17139008505879-Getting-Started-UE-MEGABOOM-4Read 10 October 2026Party Up pairs up to 150 speakers.

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

Not available

Not available

Connectivity

9 of 16 differ

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

Yes4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026

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

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

5.02Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article states Bluetooth 5.0.

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

SBC4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026

SBC2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article states Bluetooth 5.0/A2DP and SBC.

Bluetooth profiles

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.

A2DP2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article states A2DP.

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

Not available

Not available

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

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

Not available

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

Yes4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026

No7Reviewtestit.de/product/SGYvZz4TRPLNlUMitnHf.htmlRead 10 October 2026German test summary lists no Bluetooth multipoint and no connection with two devices at the same time as a drawback. The maker getting started article only describes a memory of eight previously connected devices.

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

24Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026

Not available

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

Not available

45m2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article states 45 m (150 ft). Actual range varies with conditions.

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

No5Measurementrtings.com/speaker/reviews/jbl/xtreme-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.

No4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026

No2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists the USB-C cable as the charging cable and the connection type as speaker buttons, app and mobile. No USB audio is documented.

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

No4Reviewsoundguys.com/jbl-xtreme-4-review-117134Read 8 October 2026FAQ explicitly says the speaker cannot play music from USB.

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 Xtreme 4

Connector	Count	Role
USB-C	1	Charging 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

BUltimate Ears MEGABOOM 4

Connector	Count	Role
USB-C	1	Charging input

Source2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists USB-C charging with the cable in the box. No audio input is listed.

Controls and software

4 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.

No5Measurementrtings.com/speaker/reviews/jbl/xtreme-4Read 8 October 2026

No2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists the microphone as none.

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 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.

Power, Bluetooth pairing, Volume up/down, Play/pause, Next/previous track, Magic Button playlist shortcut, Battery level3Owner's manualsupport.logi.com/hc/en-us/articles/17139008505879-Getting-Started-UE-MEGABOOM-4Read 10 October 2026Article describes power, Bluetooth, volume plus and minus, Magic Button actions and a battery level check with both volume buttons.

Companion app

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

UE | BOOM2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists the UE | BOOM app.

App platforms

Not available

iOS, Android2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists iOS and Android system requirements.3Owner's manualsupport.logi.com/hc/en-us/articles/17139008505879-Getting-Started-UE-MEGABOOM-4Read 10 October 2026Article links the UE | BOOM app on the Google Play Store and the iOS App Store.

User firmware updates

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.

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/17139008505879-Getting-Started-UE-MEGABOOM-4Read 10 October 2026Article states speaker updates come over the air through the app.

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

Not available

No2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists only four status LEDs: power, Bluetooth, Magic button and charging. No decorative lighting is documented.

Lighting modes

Not available

Not available

Smart home

None of 3 known

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

Battery and charging

12 of 17 differ

Built-in 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

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article documents a built-in Li-ion rechargeable battery.

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.

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.

20h1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Page states a 20-hour battery life. Actual life varies with use, settings and conditions. High volume or bass boost drains the battery faster.

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.

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.

Not available

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

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

22.5Wh2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article states a built-in Li-ion rechargeable battery of 22.5 Wh. No mAh or voltage is 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.

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

Not available

Nominal battery voltage

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

Not available

Battery chemistry

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

Lithium-ion2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article states a built-in Li-ion rechargeable battery.

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

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

No2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article says user replacement is not recommended because improper assembly may affect waterproof performance. The maker does not document it as user-replaceable.

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

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.

3h2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026About 3 hours from empty to full with a PD charger of 15 W or above.

Quick charge duration

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

Not available

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

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

Not available

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

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

5 V, 9 V or 12 V DC from a USB-C power adapter2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists any common PD adapter with auto-switching DC input from 5 V, 9 V and 12 V. Current is not published.

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

Not available

Not available

USB Power Delivery charging

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.

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article names a PD adapter of 15 W or above as the charge rating for the stated charge time.

Charges other devices

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

Not available

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

Not available

Not available

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

Not available

Not available

Durability

3 of 5 differ

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

IP671Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

IP674Reviewtechradar.com/audio/wireless-bluetooth-speakers/ultimate-ears-megaboom-4-reviewRead 10 October 2026Review states an IP67 rating.5Spec databasesoundguys.com/product/ultimate-ears-megaboom-4Read 10 October 2026Spec table lists IP67. Other values on that page were not used.

Floats

Not available

Yes1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Page states the speaker is floatable.

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

Not available

Yes1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Page meta description states drop proof. No drop height or test condition is published.

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

Not available

Not available

Carry featuresiPublished handles, straps, carabiners or wheels.

Detachable shoulder strap with bottle opener1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

Not available

Measured

1 of 6 differ

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

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.

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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.

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.

Width87Height225Depth87mm(3.4 × 8.9 × 3.4 in)2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article table lists speaker height 225 mm, width 87 mm and depth 87 mm. The speaker stands upright.

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

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

935g(2.1 lb)2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article lists speaker weight 935 g. The retail box weight is listed separately.

Body materials

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.

Post-consumer recycled plastic, Fabric1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Page states at least 54 percent certified post-consumer recycled plastic by weight in plastic parts. The meta description mentions high-performance fabric.

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 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.

Speaker, USB-C charging cable, Quick start guide, Important information document2Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Article box list says BOOM 4, USB-C cable, QSG and IID. The speaker name is a typo in the MEGABOOM 4 article, so it is stored as Speaker. QSG is the quick start guide and IID is the important information document.

Links

Not compared

Product page

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

www.ultimateears.com/en-us/shop/p/megaboom-41Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026

Spec sheet

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwd4772be5/pdfs/JBL_Xtreme_4_Specsheet_EN_(with_Adaptor).pdf1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

support.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-42Maker product pagesupport.logi.com/hc/en-us/articles/17138977683095-Specification-MEGABOOM-4Read 10 October 2026Maker specification article for MEGABOOM 4, opened in full.

Manual

www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dwb9d8d5a6/pdfs/PA_JBL_Xtreme%204_QSG_Global_SOP_V11_online.pdf1Maker product pagejbl.com/XTREME-4.htmlRead 8 October 2026

support.logi.com/hc/en-us/articles/17139008505879-Getting-Started-UE-MEGABOOM-43Owner's manualsupport.logi.com/hc/en-us/articles/17139008505879-Getting-Started-UE-MEGABOOM-4Read 10 October 2026Maker getting started article for BOOM 4 and MEGABOOM 4.

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

1 of 1 differ

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

Not available

2years1Maker product pageultimateears.com/en-us/shop/p/megaboom-4Read 10 October 2026Page states a 2-year limited hardware warranty for the US store.

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