Wireless speakers / Compare

Ultimate Ears EPICBOOM vs Ultimate Ears MEGABOOM 4

A

Product A: Ultimate Ears

EPICBOOM

44 of 96 known

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B

Product B: Ultimate Ears

MEGABOOM 4

48 of 96 known

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All 96 fields

Every value links to where we found it.

Only differences

AUltimate Ears EPICBOOM

BUltimate Ears MEGABOOM 4

General

3 of 8 differ

Series

BOOM1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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.

Not available

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.

6 September 20234Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 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 pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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.

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.

$349.994Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026US launch MSRP $349.99 before tax.

$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.

US1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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

ColoursiThe maker's own colour names

Charcoal Black, Cotton White1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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 pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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

7 of 18 differ

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

Stereo5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Music verdict explicitly states stereo playback without downmixing to mono.

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.

AUltimate Ears EPICBOOM

Driver type	Count
Mid-high frequency	2
Woofer	1

Source1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026Product embedded technical specs: two active mid-high frequency transducers and one woofer. Diameters omitted due to differing maker support and launch figures.

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.

Not available

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.

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.

55Hz2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Support frequency response 55 Hz to 20 kHz, +/-3 dB at 80 dB SPL, free field.

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.

20kHz2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Support frequency response 55 Hz to 20 kHz, +/-3 dB at 80 dB SPL, free field.

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 pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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.

Not available

Not available

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

Yes3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026Adaptive EQ control explicitly includes EPICBOOM and adjusts sound for the environment. Internal microphone is for acoustic adjustment, not calls.

Not available

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

Signature, Bass Boost, Game/Cinema, Podcast/Vocal, Deep Relaxation, Outdoor Boost4Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026Maker launch lists five BOOM app EQ presets and Outdoor Boost. Current product technical text lists four presets but does not explicitly deny Podcast/Vocal.

Not available

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

Not available

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.

PartyUp3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026PartyUp requires up-to-date BOOM app and speaker firmware. BOOM, MEGABOOM, EPICBOOM and HYPERBOOM families supported. No precise maximum imported because maker product pages say over 150.

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

5 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.

Yes1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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.

5.12Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 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.

Not available

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

A2DP1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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.

Not available

Not available

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

No5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Music/Outdoors verdict explicitly lists no Bluetooth multi-device pairing.

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.

Not available

Not available

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

55m1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026

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.

No5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Wi-Fi row explicitly says No.

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.

Not available

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.

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.

AUltimate Ears EPICBOOM

Connector	Count	Role
USB-C	1	Charging input

Source2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 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

3 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.

Not available

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, Volume up/down, Play/pause, Next/previous track, Magic Button playlist shortcut, Outdoor Boost, Battery level3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026

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

UE | BOOM2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 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

iOS, Android2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026

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 manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026Speaker Updates and PartyUp sections explicitly document OTA updates via the BOOM app.

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

3 of 17 differ

Built-in battery

Yes1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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.

17h1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026Embedded technical specs qualify up to 17 hours at default volume 45%. Actual runtime varies with use, settings and environmental conditions.

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.

Not available

Not available

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

22.5Wh2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Built-in Li-ion rechargeable battery 22.5 Wh. No pack voltage or mAh inferred.

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.

Not available

Not available

Nominal battery voltage

Not available

Not available

Battery chemistry

Lithium-ion1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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.

Not available

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.

3h2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026About three hours empty to full with USB PD charger rated 15 W or above. Does not establish maximum speaker input power.

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

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

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

Yes2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 8 October 2026Maker explicitly specifies PD charging adapter, 15 W or above. Recommended adapter voltage list is not treated as speaker input.

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

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

2 of 5 differ

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

IP674Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 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

Yes4Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026

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.

Yes5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026

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.

1m5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026Public Outdoors verdict attributes one-meter drop/fall tolerance to the maker. Surface and test method not stated.

Not available

Carry featuresiPublished handles, straps, carabiners or wheels.

Built-in strap5Reviewrtings.com/speaker/reviews/ultimate-ears/epicboomRead 8 October 2026

Not available

Measured

None of 6 known

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

Not available

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.

Not available

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.

1,979g(4.4 lb)1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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 polyester fabric4Press releasenews.logitech.com/press-releases/news-details/2023/New-EPICBOOM-Speaker-Launches-with-Fresh-Portable-Design-and-Huge-360-Sound/default.aspxRead 8 October 2026Fabric 100% PCR polyester. Plastic components minimum 59% PCR. Packaging excluded.

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

EPICBOOM, Quick start guide (printed inside box)1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 8 October 2026Current US product-page package contents. Maker support says USB-C cable included while product page says not included. Cable is omitted pending package clarification.

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.ultimateears.com/en-us/shop/p/epicboom-bluetooth1Maker product pageultimateears.com/en-us/shop/p/epicboom-bluetoothRead 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

support.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOM2Maker product pagesupport.logi.com/hc/en-us/articles/15737920299287-Specification-UE-EPICBOOMRead 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

support.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOM3Owner's manualsupport.logi.com/hc/en-us/articles/15737936632983-Getting-Started-UE-EPICBOOMRead 8 October 2026Official EPICBOOM online getting-started manual.

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

0 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.

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

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.