Wireless speakers / Compare

Bose SoundLink Revolve II Bluetooth Speaker vs Ultimate Ears BOOM 4

A

Product A: Bose

SoundLink Revolve II Bluetooth Speaker

38 of 96 known

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B

Product B: Ultimate Ears

BOOM 4

51 of 96 known

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All 96 fields

Every value links to where we found it.

Only differences

ABose SoundLink Revolve II Bluetooth Speaker

BUltimate Ears BOOM 4

General

5 of 8 differ

Series

SoundLink Revolve1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Maker names the speaker SoundLink Revolve II. The larger sibling is SoundLink Revolve+ II.

BOOM1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

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

419357, 858365-01002Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says the model number is on the bottom of the speaker and the record line reads 419357. SoundGuys gives item 858365-0100.3Reviewsoundguys.com/bose-soundlink-revolve-ii-review-82901Read 13 October 2026Review lists model number 858365-0100.

S001762Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

GTIN / EAN

Not available

Not available

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

January 20215Press articlewhathifi.com/news/bose-unveils-2nd-gen-soundlink-revolve-and-revolve-bluetooth-speakersRead 13 October 2026News item introduces the new SoundLink Revolve II and Revolve+ II in January 2021.

26 June 20243Press releasenews.logitech.com/press-releases/news-details/2024/The-Rugged-Ultimate-Ears-EVERBOOM-Superior-Sound-That-Is-Waterproof-Dustproof-and-Floatable/default.aspxRead 8 October 2026

Status

Available1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Maker sells the speaker with a current price of USD 149 against USD 219 on the accessed date.

Available1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

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

Not available

Ultimate Ears BOOM 38Reviewtrustedreviews.com/reviews/ultimate-ears-boom-4Read 10 October 2026Trusted Reviews says a successor to the UE Boom 3 finally arrived in the Boom 4.9Measurementrtings.com/speaker/reviews/ultimate-ears/boom-3Read 23 October 2026RTINGS shows a notice on the BOOM 3 page that it was replaced by the Ultimate Ears BOOM 4.

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.

Not available

$149.993Press releasenews.logitech.com/press-releases/news-details/2024/The-Rugged-Ultimate-Ears-EVERBOOM-Superior-Sound-That-Is-Waterproof-Dustproof-and-Floatable/default.aspxRead 8 October 2026US launch MSRP $149.99 before tax.

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/boom-4Read 10 October 2026

ColoursiThe maker's own colour names

Triple Black, Luxe Silver1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Colour selector shows Luxe Silver and Triple Black.

Raspberry Red, Enchanting Lilac, Active Black, Cobalt Blue1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

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 pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Maker lists it among portable Bluetooth speakers and describes it as made to go where you go.

Portable1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

Audio

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

Not available

Stereo4Reviewrtings.com/speaker/reviews/ultimate-ears/boom-4Read 8 October 2026Public Music verdict describes the single BOOM 4 unit stereo capabilities and soundstage performance. Two-unit stereo linking is a separate field and is not inferred from PartyUp.

Audio driversiPowered audio transducers in one speaker. Passive radiators are counted separately. Circular diameter and rectangular width and height have separate columns. Per-driver power must state continuous or RMS basis and battery or mains operation in the source note.

ABose SoundLink Revolve II Bluetooth Speaker

Driver type	Count
Full-range transducer	1

Source1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Page says the enclosure has a highly efficient transducer, dual passive radiators and an omnidirectional acoustic deflector. No driver size or rated power is published.

BUltimate Ears BOOM 4

Driver type	Count	Diameter (mm)
Active audio driver	2	40

Source1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026Specs and Compatibility: two 1.57 in (40 mm) active drivers and two 1.81 x 2.57 in (46.1 x 65.2 mm) passive radiators. Support page lists rounded 2 inch sizes. Rated power not published.2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Support Speaker Specifications: two active drivers and two passive radiators. Support lists a rounded 2 inch driver. The maker product page and Trusted Reviews give 40 mm, which is stored. The support passive radiator size of 2 x 4 inch also differs from the product page 46.1 x 65.2 mm, so the support sizes are treated as rounded.8Reviewtrustedreviews.com/reviews/ultimate-ears-boom-4Read 10 October 2026Full specs list 2x 40mm active drivers.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

21Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Page says dual passive radiators.

22Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

Rated audio poweriMaker-published total rated continuous audio output. Battery power is used for portable speakers when mains and battery ratings differ. Peak marketing power is separate.

Not available

Not available

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

Not available

Not available

Audio output power (unspecified rating)iMaker- or reviewer-published audio output power whose continuous or peak rating basis is not stated. This is separate from rated continuous output and explicitly published peak output.

Not available

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

90Hz2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Maker claim 90 Hz to 20 kHz. No tolerance or test settings 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.

Not available

20kHz2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Maker claim 90 Hz to 20 kHz. No tolerance or test settings stated.

Signal-to-noise ratio (claimed)

Not available

Not available

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

Not available

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

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

Not available

Not available

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

Not available

Not available

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

Not available

Signature, Bass Boost, Cramped Space, Deep Relaxation, Podcast/Vocal1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026Key features: Signature sound plus four pre-set EQ modes in the UE | BOOM app: Bass Boost, Cramped Space, Deep Relaxation and Podcast/Vocal.

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

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026FAQ and sound options list Party Mode and Stereo Mode when two compatible Bose speakers are enabled.2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says two SoundLink Bluetooth speakers can play in Party mode (left and right play in unison) or Stereo mode (left and right play separately).

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.

Party Mode1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026FAQ says Party Mode requires two Bose Bluetooth speakers from a listed set of SoundLink models. Compatibility with every model is not inferred.

PartyUp1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026PartyUp compatible with BOOM, MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM. Product page says over 150 speakers. The Getting Started guide says up to 150, see max_linked_speakers.

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

1505Owner's manualsupport.logi.com/hc/en-us/articles/17139015562519-Getting-Started-UE-BOOM-4Read 10 October 2026UE | BOOM app section: Party Up pairs up to 150 speakers. Any BOOM, MEGABOOM, EVERBOOM, EPICBOOM or HYPERBOOM can join. Product page says over 150, the guide figure is stored. Linking is app based, so the Bluetooth group field is not set.

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

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

Yes3Reviewsoundguys.com/bose-soundlink-revolve-ii-review-82901Read 13 October 2026

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

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

4.21Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications list Bluetooth Version 4.2. SoundGuys says Bluetooth 4.1. The maker figure is used.

5.02Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

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

SBC3Reviewsoundguys.com/bose-soundlink-revolve-ii-review-82901Read 13 October 2026Review says the speaker supports only the SBC codec over Bluetooth.

SBC2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

Bluetooth profiles

Not available

A2DP2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

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.

Not available

Not available

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

Yes2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says the speaker can be actively connected to two mobile devices at a time and plays audio from one device at a time.

No4Reviewrtings.com/speaker/reviews/ultimate-ears/boom-4Read 8 October 2026Public Music/Outdoors verdict explicitly lists no Bluetooth multi-device pairing.

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

22Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says two mobile devices can be actively connected. Up to eight paired devices are remembered.

Not available

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

9m1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications and FAQ say up to 30 ft (9 m). Published open-field claim.2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says to place the mobile device within 30 ft (9 m) of the speaker with a clear line of sight.

45m2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

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

No1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026FAQ answers no to Wi-Fi support and says the wireless connection is Bluetooth only.

No4Reviewrtings.com/speaker/reviews/ultimate-ears/boom-4Read 8 October 2026Public Wi-Fi row explicitly says No.

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 pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026FAQ recommends the Auxiliary or USB Audio inputs for lower latency. The owner's guide describes USB audio through the micro-B connector.2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says to connect the audio output of a device to the AUX connector or micro-B USB connector and select USB audio with the Input mode button.

No2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Connection Type is Bluetooth. Wireless speaker, charging by USB-C cable. USB-C is documented for charging only.

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

Not available

Not available

USB audio file formats

Not available

Not available

PortsiPhysical speaker connectors. Record charging, audio input, power output and service roles separately. A shared microphone and guitar jack is one port. A combo jack that takes XLR and 6.35 mm plugs is 6.35 mm audio, and the role names XLR. Optical is a TOSLINK digital audio socket.

ABose SoundLink Revolve II Bluetooth Speaker

Connector	Count	Role
Micro USB	1	Charging input and USB audio input
3.5 mm audio	1	AUX audio input

Source1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026FAQ names Bluetooth and a 3.5 mm stereo cable as audio connections. Technical specifications list a USB micro-B charging interface.2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide shows a micro-B USB connector for charging and USB audio, and an AUX connector for a 3.5 mm stereo cable.

BUltimate Ears BOOM 4

Connector	Count	Role
USB-C	1	Charging input

Source2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Speaker is charged via USB-C. Device input voltage/current not established by the separately listed adapter rating.

Controls and software

5 of 8 differ

SpeakerphoneiBuilt-in microphone and call support, through a connected phone or a voice assistant's calling. A microphone used only for voice commands does not count. Microphone inputs for karaoke are separate.

Yes1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications list a built-in microphone and speakerphone.2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide describes answering, declining, muting and switching phone calls with the speaker.

No2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

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.

Connected phone voice assistant2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says the speaker microphone acts as an extension of the phone microphone and a press and hold of the Multi-function button activates voice control on the connected device.

Not available

Controls

Power, Bluetooth, Volume up/down, Multi-function button, Input mode2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Button pad: Power, Bluetooth, Input mode, Volume up, Volume down and a Multi-function button for play/pause, skip and calls.

Power, Bluetooth pairing, Volume up/down, Play/pause, Next/previous track, Magic Button playlist shortcut, Battery level2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

Companion app

Bose Connect1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications list the Bose Connect app.2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide describes the Bose Connect app for setup and control.

UE | BOOM2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

App platforms

iOS, Android1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Support section says the app is available on Google Play and the Apple Store.

iOS, Android2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

User firmware updates

Yes2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says the product can receive security updates from Bose automatically when connected to the Bose Connect app. SoundGuys reports speaker firmware 3.1.1.

Yes5Owner's manualsupport.logi.com/hc/en-us/articles/17139015562519-Getting-Started-UE-BOOM-4Read 10 October 2026Speaker Updates and Party Up instructions explicitly document OTA firmware updates from the UE | BOOM 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/17139015760279-Specification-BOOM-4Read 10 October 2026Indicator Lights lists four LEDs: power, Bluetooth, Magic button and one charging LED. No decorative lighting is listed.

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

3 of 17 differ

Built-in battery

Yes2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide documents a built-in rechargeable lithium-ion battery with a battery light and protection mode.

Yes1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

Playback time (claimed)iMaximum maker-claimed music playback on one charge in normal playback mode. Battery extension or reduced-bass boost modes belong in battery_life_boost_h. Record volume and lighting conditions in the source note.

13h1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Up to 13 hours in typical use. Battery performance varies with content and volume.2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says in typical use the battery lasts up to 13 hours.

15h1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026Up to 15 hours. Varies with settings, volume and environmental conditions. High volume and bass boost reduce runtime.

Playback with battery extension (claimed)iTotal claimed runtime with the named battery extension mode enabled. Store the total, not only the extra hours. Keep sound and lighting restrictions in the source note.

Not available

Not available

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

Not available

11.52Wh2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Built-in Li-ion rechargeable battery 11.52 Wh. No pack voltage or mAh inferred.

Battery capacityiPublished pack capacity at the voltage in battery_voltage_v. Do not substitute power-bank output capacity. A figure written per cell, such as 5000mAh*2, is not a pack capacity unless the maker states the pack figure.

Not available

Not available

Nominal battery voltage

Not available

Not available

Battery chemistry

Lithium-ion2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide names a rechargeable lithium-ion battery.

Lithium-ion1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

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

No2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Guide says removal of the lithium-ion battery should be done only by a qualified professional. It is not documented as user-replaceable.

No2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Battery user replaceable: Not recommended, improper assembly may affect waterproof performance. Maker does not document user replacement.

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

4h1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications list a 4 hour charge time. The FAQ says much of the charge is recovered in about 4 hours from a USB power source.

3h2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Battery Charge Speed: less than 3 hours from empty to full with a Type C charger of 7.5 W or above. Stored as 3, the qualifier is here.

Quick charge duration

Not available

Not available

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

Not available

Not available

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

Not available

Not available

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

Not available

Not available

USB Power Delivery charging

Not available

Not available

Charges other devices

Not available

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

4 of 5 differ

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

IP551Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications list IP55.

IP671Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

Floats

Not available

Yes1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

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

Not available

Yes1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

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

Not available

Not available

Carry featuresiPublished handles, straps, carabiners or wheels.

Not available

Bungee loop1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

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.

Not available

12h6Measurementrtings.com/speaker/reviews/ultimate-ears/boom-4Read 10 October 2026Public Outdoors verdict states 12 hours of battery life for the tested BOOM 4. Locked numeric tables were not read. Maker claim is 15 hours.7Measurementrtings.com/speaker/tests/active-features/batteryRead 10 October 2026Public method: latest firmware, full charge, audio track looped at 80 dB SPL from 1 m until the speaker runs out of charge. Speaker-specific sound mode, EQ and firmware are not published.

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.

Not available

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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.

Not available

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Dimensions and weight

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DimensionsiSpeaker body width, height and depth on explicitly identified axes. Unlabeled tuples do not establish axis meanings. Handle, strap and orientation conditions belong in the source note.

Width82.3Height151.64Depth82.3mm(3.2 × 6 × 3.2 in)1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications list 5.97 in H x 3.24 in W x 3.24 in D for the entire product system, converted exactly to millimetres. SoundGuys lists 152 x 82 x 82 mm.

Width73Height184Depth73mm(2.9 × 7.2 × 2.9 in)2Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026Product Dimensions table, Speaker row explicitly labels height 184, width 73, depth 73 mm. Packaging row excluded.

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

660g(1.5 lb)3Reviewsoundguys.com/bose-soundlink-revolve-ii-review-82901Read 13 October 2026Review lists 660 grams. The maker lists 1.46 lb, which is about 662 g. Tech Advisor also says 660 g.4Reviewtechadvisor.com/article/722061/bose-soundlink-revolve-ii-review.htmlRead 13 October 2026Review says the speaker is lightweight at 660 g.

620g(1.4 lb)1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026

Body materials

Aluminum, Plastic, Silicone1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Technical specifications list aluminum, plastic and silicone.

Post-consumer recycled plastic, Recycled polyester fabric3Press releasenews.logitech.com/press-releases/news-details/2024/The-Rugged-Ultimate-Ears-EVERBOOM-Superior-Sound-That-Is-Waterproof-Dustproof-and-Floatable/default.aspxRead 8 October 2026BOOM 4 plastic components minimum 52% PCR by weight. Fabric is 100% PCR polyester. Packaging excluded.

Certifications

None of 1 known

FCC IDs

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Other certifications

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In the box

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In the box

SoundLink Revolve II speaker, USB cable (micro-B to USB A)1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026What's in the box: SoundLink Revolve II speaker and a micro-B to USB A cable. No audio cable is included.

Not available

Links

Not compared

Product page

www.bose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.html1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026

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

Spec sheet

Not available

support.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-42Maker product pagesupport.logi.com/hc/en-us/articles/17139015760279-Specification-BOOM-4Read 10 October 2026

Manual

assets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdf2Owner's manualassets.bosecreative.com/m/b4e89ec7e05cf7e/original/858882_OG_SLRVII-SPEAKERWIRELESS_enUS.pdfRead 13 October 2026Maker owner's guide for the SoundLink Revolve II, English US edition.

support.logi.com/hc/en-us/articles/17139015562519-Getting-Started-UE-BOOM-45Owner's manualsupport.logi.com/hc/en-us/articles/17139015562519-Getting-Started-UE-BOOM-4Read 10 October 2026Official getting-started manual explicitly covers 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

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Warranty

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

1year1Maker product pagebose.com/p/speakers/bose-soundlink-revolve-ii-bluetooth-speaker/SLRVII-SPEAKERWIRELESS.htmlRead 13 October 2026Page states a Bose 1-Year Limited Warranty. Market is the US.

2years1Maker product pageultimateears.com/en-us/shop/p/boom-4Read 10 October 2026US page embedded specs and compatibility: 2-Year Limited Hardware Warranty.

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