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Ultimate Ears WONDERBOOM 4

Ultimate EarsPortable wireless speaker

WONDERBOOM 4

Released June 2024.4Press 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 2026North American retail availability June 26, 2024. Last checked 21 October 2026.

Rated audio power
Not available
Playback time (claimed)
14h
Dust and water rating
IP67
Weight
420g

48 of 96 fields known.

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At a glance

Ports

  • USB-C

All specs

SourceCalculated

General

Series
WONDERBOOM1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Model numbers
SR01922Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026
GTIN / EAN
Not available
Announced
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 pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Predecessor
Not available
Successor
Not available
Launch price (US)
$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)
Not available
Markets
US1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Colours
Active Black, Joyous Bright, Hyper Pink, Cobalt Blue, Sand1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Speaker type
Portable1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

Audio

Audio channels
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 drivers
Driver typeCount
Active audio driver2
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 radiators
21Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Rated audio power
Not available
Rated audio power on mains
Not available
Audio output power (unspecified rating)
Not available
Peak audio power
Not available
Frequency response lower limit (claimed)
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)
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)
86dB2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026Speaker Specifications: 86 dB unweighted.
Adjustable equalizer
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 bands
Not available
Automatic sound adjustment
Not available
Sound modes
Standard, Outdoor Boost, Podcast1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Wireless stereo pairing
Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Speaker link protocols
Double Up1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Max linked speakers
21Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Max Bluetooth group speakers
Not available

Connectivity

Bluetooth audio playback
Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Bluetooth version
5.22Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026
Bluetooth codecs
Not available
Bluetooth profiles
A2DP1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Bluetooth LE Audio
Not available
Auracast
Not available
Multipoint
Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Multipoint source devices
21Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Bluetooth range (claimed)
40m1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Wi-Fi
No5Reviewrtings.com/speaker/reviews/ultimate-ears/wonderboom-4Read 8 October 2026Public Wi-Fi row explicitly says No.
Wi-Fi standards
Not available
Network audio protocols
Not available
USB audio input
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 playback
Not available
USB audio file formats
Not available
Ports
ConnectorCountRole
USB-C1Charging input only
Source2Maker product pagesupport.logi.com/hc/en-us/articles/17139136148375-Specification-WONDERBOOM-4Read 8 October 2026

Controls and software

Speakerphone
No5Reviewrtings.com/speaker/reviews/ultimate-ears/wonderboom-4Read 8 October 2026Public Voice Assistant verdict explicitly says no built-in microphone.
Voice assistants
Not available
Controls
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
Not available
App platforms
Not available
User firmware updates
Not available
Built-in lighting
Not available
Lighting modes
Not available

Smart home

We could not find any of these 3 fields. Show them
Matter controller
Not available
Thread border router
Not available
Zigbee hub
Not available

Battery and charging

Built-in battery
Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Playback time (claimed)
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)
Not available
Battery energy
Not available
Battery capacity
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
Not available
Battery chemistry
Lithium-ion1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
User-replaceable battery
Not available
Full charge time
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
Playback after quick charge
Not available
Charging input rating
Not available
Max charging input
Not available
USB Power Delivery charging
Not available
Charges other devices
Not available
Max power-bank output
Not available
Wireless charging
Not available

Durability

Dust and water rating
IP671Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Floats
Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Drop resistance
Yes1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Drop test height
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 features
Bungee loop1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026

Measured

Playback time (measured)
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)
Not available
Low-frequency extension (measured)
Not available
High-frequency extension (measured)
Not available
Audio latency (measured)
Not available
Full charge time (measured)
Not available

Dimensions and weight

Dimensions
Not available
Weight
420g(14.8 oz)1Maker product pageultimateears.com/en-us/shop/p/wonderboom-4Read 8 October 2026
Body materials
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

We could not find any of these 2 fields. Show them
FCC IDs
Not available
Other certifications
Not available

In the box

In the box
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.

Warranty

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

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Sources

We read 5 sources for this wireless speaker. The numbers match the markers in the sheet.

  1. Read 8 October 2026Backs 29 fields
  2. Read 8 October 2026Backs 10 fields
  3. Read 8 October 2026Backs 2 fields
  4. Read 8 October 2026Backs 4 fields
  5. Read 8 October 2026Backs 4 fields

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