Wireless speakers / Compare

soundcore Boom 3i vs Ultimate Ears WONDERBOOM 4

A

Product A: soundcore

Boom 3i

53 of 96 known

Change soundcore Boom 3i

Compare the Ultimate Ears WONDERBOOM 4 with

Search wireless speakers

B

Product B: Ultimate Ears

WONDERBOOM 4

48 of 96 known

Change Ultimate Ears WONDERBOOM 4

Compare the soundcore Boom 3i with

Search wireless speakers

All 96 fields

Every value links to where we found it.

Only differences

Asoundcore Boom 3i

BUltimate Ears WONDERBOOM 4

General

4 of 8 differ

Series

Boom1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current Boom family title. Boom 2, Boom 2 Plus and Boom Go 3i are distinct products.

WONDERBOOM1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

D5100, D51000101Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Selected US Adventurer Black single-speaker SKU D5100010, variant 45145323405502, verified by public US Shopify response. D5100 hardware separately printed on original QSG. No guessed suffix or D5103 code.3Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker.jsRead 8 October 2026Public US response ties variant 45145323405502 to D5100010, Adventurer Black / 1 and available true. Read through observed maker Shopify domain without private account/API.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original manufacturer QSG cover D5100, not an autogenerated manual. FCC-hosted copy.

SR01922Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026

GTIN / EAN

Not available

Not available

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

18 June 20257Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Official parent maker announcement June 18, 2025.

26 June 20244Press 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 pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current single-speaker variant available for sale. Inventory is distinct from release status.3Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker.jsRead 8 October 2026Selected single-speaker variant available. No numeric popularity invented.

Available1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 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

Not available

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$139.997Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Official US single-speaker $139.99. Future Adventure Set $149.99 separate. Current shop $129.99 and updated review widget $129.99 are not launch price.

$99.994Press 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 $99.99 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.

US1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current US selected offer and USD pricing.

US1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

ColoursiThe maker's own colour names

Adventurer Black1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Only Adventurer Black reference represented.3Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker.jsRead 8 October 2026Exact option1 Adventurer Black and option2 1.

Active Black, Joyous Bright, Hyper Pink, Cobalt Blue, Sand1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 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 pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit portable rugged outdoor speaker.

Portable1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

Audio

12 of 18 differ

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

Mono8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual review explicitly mono standalone.10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public verdict explicitly stereo downmix to mono unless paired with another unit.

Stereo1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026Maker describes stereo sound from one physical speaker. Two-speaker Double Up stereo separates left and right between units.

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.

Asoundcore Boom 3i

Driver type	Count
Woofer	1
Tweeter	1

Source4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Specifications state Woofer x1 and Tweeter x1. Per-driver RMS/continuous watts and diameters not published here.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026One 40 W woofer sized 3.7 x 2 in and one 10 W 0.65 in tweeter. Continuous/RMS basis and rectangular axes unspecified, so only driver types/counts stored. No per-driver power or geometry invented.

BUltimate Ears WONDERBOOM 4

Driver type	Count
Active audio driver	2

Source1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026Maker embedded technical specs explicitly list two active drivers and two passive radiators. Diameter omitted because manufacturer support says 34 mm while product page says 40 mm.

Passive radiatorsiPassive, unpowered bass radiators. Excludes powered drivers.

27Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Explicit pair of bass radiators, separate from powered transducers.

21Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 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.

50W1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current Output specification says 50 W. Guide says Audio Output Power 50 W and review calls it rated. No continuous/RMS or peak basis stated, so only unspecified-rating field is filled. Maker 96 dB alarm is not a reviewer-measured music SPL maximum.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Literal Audio Output Power 50 W. No continuous/RMS or peak basis, stored only as unspecified rating.

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

80Hz2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026Speaker Specifications: 80 Hz to 16 kHz at -3 dB. Not a measured reviewer result.

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

16kHz2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026Speaker Specifications: 80 Hz to 16 kHz at -3 dB.

Signal-to-noise ratio (claimed)

Not available

86dB2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026Speaker Specifications: 86 dB unweighted.

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

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Custom adjustable EQ through app, corroborated by actual reviewer 9-band sliders.

No5Reviewrtings.com/speaker/reviews/ultimate-ears/wonderboom-4Read 8 October 2026Public verdict: no custom EQ. Outdoor and Podcast presets are stored separately in sound_modes.

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

98Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual reviewer uses 9-band custom EQ. Manufacturer-provided sample, one-week test, firmware 01.20 and app v3.9.5. Presets not counted as bands.

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.

soundcore Signature, Treble Boost, Voice, Balanced, BassUp 2.04Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Named Signature, Treble Boost, Voice and Balanced EQ presets, plus maker-named BassUp 2.0. Buzz Clean maintenance and recorded-message amplification are not music sound modes.

Standard, Outdoor Boost, Podcast1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Two identical Boom 3i units split L/R through TWS, distinct from same-content PartyCast groups.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Two identical units produce separate L/R through TWS, Bluetooth-button hold 2 seconds.

Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

True Wireless Stereo (TWS), PartyCast1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Shop highlights TWS. Guide, original QSG, exact FAQ and actual maker top photo explicitly support PartyCast. Reviewer no-party wording is noted, not silently transferred.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Dedicated PartyCast section synchronizes audio/light across compatible PartyCast units. Real maker top photo visibly has PartyCast button. RTINGS denial is contradicted by several primary sources. FAQ qualifies cross-model light synchronization.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Questions 19/20 explicitly PartyCast master/secondary behavior. Different models cannot synchronize different light effects, qualifying guide broad wording.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original QSG independently documents actual PartyCast button use, matching current maker photo and full guide.10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public comparison says no party mode. Contradicted by own guide, original QSG, current FAQ master/secondary instructions and real top PartyCast button. Maker capability retained with conflict disclosed.

Double Up1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

21Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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.

1004Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Up to 100 compatible soundcore PartyCast speakers total, including first source-connected unit. Exact PartyCast generation/minimum firmware unpublished. Not TWS pair count 2 used as maximum. General/global group field remains unknown.

Not available

Connectivity

7 of 16 differ

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

Yes5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026

Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

5.31Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current specification Bluetooth 5.3. BLE control does not establish LE Audio.

5.22Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026

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

SBC, AAC5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Exact SBC/AAC answer, no codecs inferred from version.

Not available

Bluetooth profiles

Not available

A2DP1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 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.

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Guide describes another connected source taking over playback. FAQ explicitly establishes two concurrent connections.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Exact answer supports up to two devices simultaneously.

Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

25Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Two concurrent sources, distinct from speaker-group count.

21Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

30m4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Own specification 30 m/98 ft. Published 30 m used, no more precise feet conversion or obstacle guarantee.

40m1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

Not available

No5Reviewrtings.com/speaker/reviews/ultimate-ears/wonderboom-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.

Not available

No2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026USB-C cable is explicitly 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.

Asoundcore Boom 3i

Connector	Count	Role
USB-C	1	Speaker charging input

Source1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026One physical USB-C charging socket, matching maker diagram and photograph. No AUX or power-bank output. Direct USB digital audio and storage playback remain unknown.

BUltimate Ears WONDERBOOM 4

Connector	Count	Role
USB-C	1	Charging input only

Source2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026

Controls and software

6 of 8 differ

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

No10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public prose no built-in microphone. This field requires microphone plus calls, so no mic establishes no speakerphone. App amplification uses phone-recorded clips.

No5Reviewrtings.com/speaker/reviews/ultimate-ears/wonderboom-4Read 8 October 2026Public Voice Assistant verdict explicitly says no built-in microphone.

Voice assistantsiVoice assistants explicitly usable through the speaker, such as Amazon Alexa, Google Assistant, Siri or Sonos Voice Control. State whether a connected phone is required.

Not available

Not available

Controls

Power, Bluetooth pairing, Play/pause, Next/previous track, Volume up/down, TWS pairing, PartyCast linking, BassUp on/off, Emergency alarm, Light effects on/off and selection, Factory reset4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Own hardware map/button table identify each control. Reset Bluetooth plus volume up held 4 seconds. Emergency alarm is a safety tone. App Voice Amplifier uses phone messages, not calls or built-in speaker mic.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original button diagram matches actual maker hardware.

Power, Bluetooth pairing, Volume up/down, Play/pause, Next track, Outdoor Boost/Podcast mode, Double Up, Battery level3Owner's manualsupport.logi.com/hc/en-us/articles/17139116395031-Getting-Started-UE-WONDERBOOM-4Read 8 October 2026Manual Power, Control Music, Explore our EQ Modes, Double Up and Check Battery Level sections. Double Up works with WONDERBOOM 3 or 4, excluding other BOOM families.

Companion app

soundcore1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Named soundcore app.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Exact app support. Voice Amplifier records clips in app and is not real-time amplification or calls.

Not available

App platforms

iOS, Android4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Actual guide App Store and Google Play logos identify iOS/Android.

Not available

User firmware updates

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit app firmware updates. Maker recommends latest firmware for enhanced sound without naming exact version.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Explicit app notification/update procedure.

Not available

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

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Decorative RGB radiator light show, separate from status LEDs.4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Six dynamic beat-linked and four static ambient effects on both sides.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Selectable decorative side effects, controlled by dedicated button and app. Status breathing is separate.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Programmable LED light show on left/right radiators.

Not available

Lighting modes

Neon Night, Spring Break, Romantic Stroll, Laid Back, Color Loop, Energy8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual app screenshot fully shows Neon Night, Spring Break, Romantic Stroll, Laid Back, Color Loop and Energy. Verified names, not complete inventory. Guide says 6 dynamic plus 4 ambient. Horizontally clipped names not guessed.9Reviewsoundguys.com/wp-content/uploads/2025/06/Boom-3i-app_5-scaled.jpegRead 8 October 2026Direct public actual-review screenshot visually read. Six fully readable names retained. Rightmost clipped names not guessed.

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

7 of 17 differ

Built-in battery

Yes4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Built-in rechargeable battery, charging status and app battery indicator.

Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 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.

16h5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Maker lab up to 16 h at room temperature, factory defaults, 50% volume, lights off, BassUp off and default EQ. Varies with volume, source and environment. No boost-mode total.

14h1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026Up to 14 hours between charges. Actual runtime varies with use, settings and environmental conditions. Volume not stated.

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

Not available

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

2,400mAh4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Literal 2400 mAh at 10.95 V pack, not power-bank output. No Wh calculation.

2,100mAh2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026Built-in Li-ion rechargeable battery 2100 mAh. Pack voltage and energy are not published.

Nominal battery voltage

10.95V4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Published 10.95 V alongside pack capacity, not guessed from cell count.

Not available

Battery chemistry

Lithium-ion6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original QSG Japanese safety text explicitly identifies this built-in lithium-ion battery as recyclable and prints Li-ion. Supports chemistry only, no extra energy/capacity inference.

Lithium-ion1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

No5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Explicit No to battery replacement.

Not available

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

4h4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Guide less than 4 h, current FAQ about 4 h on 15 W 5 V/3 A. Retained approximate 4 h maker full-charge claim. Simultaneous use unspecified.5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026About 4 h full charge with 15 W 5 V/3 A recommendation. Adapter model and simultaneous playback not stated.

3h2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026About three hours from empty to full with a 10 W or higher charger. Adapter recommendation 5 V/2 A is not treated as speaker input.

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.

5 V DC at 3 A4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Own device Power Input 5 V DC 3 A. Applicable Anker A2337 adapter outputs are separate. Charger-output recommendation 0.05 W to 15 W does not independently establish a maximum device charging wattage or PD support.6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026Original QSG repeats device 5 V DC 3 A.

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

No2Maker product pagesoundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Exact Charge Out row explicitly crossed out.

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.

IP681Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026IP68 with port cover fully closed. Launch specifies 1.5 m water immersion for 30 minutes, separate from drop test.

IP671Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

Floats

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit upright sound-forward floating playback, including moving water.

Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

Yes1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit drop-tested from 3.28 ft or 1 m.

Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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

1m1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Published 1 m. Parent maker announcement identifies concrete surface.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Explicit up to 1 m onto concrete. Water immersion test separate.

1.5m1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026Maker publishes a 1.5 m drop test, also described as five feet. Test surface not specified.

Carry featuresiPublished handles, straps, carabiners or wheels.

Detachable adjustable shoulder strap1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Detachable adjustable strap. Optional Adventure Set handle/case excluded.7Press releaseanker-in.com/posts/soundcore-launches-boom-3i-outdoor-speaker-with-floatable-design-and-enhanced-durabilityRead 8 October 2026Standard strap package is distinct from future magnetic case/carry-handle set.

Bungee loop1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

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.

15h10Reviewrtings.com/speaker/reviews/anker/soundcore-boom-3iRead 8 October 2026Public review repeatedly reports about 15 h continuous playback with lights off. Blue test sample, same marketed D5100 hardware as selected Black, no documented material color difference. Sample commercial SKU, firmware build, transport/codec, EQ and BassUp state not public. Linked public method specifies full charge to depletion, 80 dB SPL at 1 m and latest available firmware at test. No locked decimal or charge/SPL/latency result read.11Measurementrtings.com/speaker/tests/active-features/batteryRead 8 October 2026Public linked method: latest available firmware, full charge, looped track at 80 dB SPL at 1 m to depletion. Actual review establishes lights off. Exact firmware, codec, EQ, BassUp and host remain unpublished. 15 h is rounded public prose, not a locked-table reconstruction.

13h5Reviewrtings.com/speaker/reviews/ultimate-ears/wonderboom-4Read 8 October 2026Public review Outdoors verdict and Music pros report 13 hours battery life for the tested WONDERBOOM 4. Test bench 1.0.1. Numeric member-only tables were not read. Volume, EQ mode, codec, firmware and source device are not stated in the public prose.

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

2 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.

Not available

Not available

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

780g(1.7 lb)2Maker product pagesoundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Current exact maker claim 780 g, also repeated as 27.5 oz and approximately 1.7 lb. SG header says 1080 g but does not establish measured/accessory scope. Explicit current maker claim retained. Cause and separate strap mass are unknown. Body dimensions are unlabeled 8.27 x 3.35 x 3.09 in, repeated 210 x 85 x 78.5 mm in an unlabeled diagram. No width/height/depth mapping is invented. The US product variant also carries weight metadata 1144 without an explicit bare-speaker/accessory scope. It is not substituted for the public speaker specification.8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Header 1080 g conflicts maker 780 g. Measurement/accessory scope and cause not established. Explicit current maker claim retained.

420g(14.8 oz)1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

Body materials

Plastic, Rubber8Reviewsoundguys.com/soundcore-boom-3i-review-the-best-waterproof-bluetooth-speaker-139777Read 8 October 2026Actual reviewer describes tough plastic shell and chunky rubber bumpers. No exact resin or metal grille material invented.

Post-consumer recycled plastic, Recycled polyester fabric4Press 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 2026WONDERBOOM 4 plastic components minimum 31% PCR by weight. Fabric is 100% PCR polyester. Packaging excluded.

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

soundcore Boom 3i speaker, USB-C to USB-C cable, Shoulder strap, Quick Start Guide5Maker product pageservice.soundcore.com/article-description/soundcore-Boom-3i-FAQRead 8 October 2026Full inventory speaker, USB-C C-to-C cable, strap and Quick Start Guide. No adapter, magnetic case or hard handle.

WONDERBOOM 4, Bungee loop (attached), Quick start guide (printed inside box)1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026US product page embedded Package Contents. No USB-C cable included. Support text generically says cable included and conflicts with this reference package.

Links

Not compared

Product page

us.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speaker1Maker product pageus.soundcore.com/products/d5100-boom-3i-waterproof-bluetooth-speakerRead 8 October 2026Explicit selected US URL. Ordinary requests to www redirect this local region to Nordic home, so public US storefront is used.

www.ultimateears.com/en-us/shop/p/wonderboom-41Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

Spec sheet

Not available

support.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-42Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026

Manual

salesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdf4Owner's manualsalesforce-knowledge-download.s3.us-west-2.amazonaws.com/000026832/en_US/000026832.pdfRead 8 October 2026Official support index explicitly links English User Guide D5100 to this original seven-page PDF. Entire guide read and visually checked. Original QSG independently matches hardware/buttons.

support.logi.com/hc/en-us/articles/17139116395031-Getting-Started-UE-WONDERBOOM-43Owner's manualsupport.logi.com/hc/en-us/articles/17139116395031-Getting-Started-UE-WONDERBOOM-4Read 8 October 2026Maker online getting-started manual for exact WONDERBOOM 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.

1.5years6Owner's manualfccid.io/m/94d3defbf03cdd3e9935981694a5d9c2dd50851ca87205dd80064d1c216d3f37.pdfRead 8 October 2026English original QSG p11 explicitly 18-month limited warranty, converted 1.5 years. Support list includes US. Statutory rights/optional service separate.

2years1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026US page embedded specs and compatibility: 2-Year Limited Hardware Warranty.

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