Logo
HomeShopAbout usBlogContact UsStay Connected

Wonder Boom 4 Bluetooth, Wireless Speaker

The Wonder Boom 4 is a compact, ultra-portable Bluetooth speaker delivering 360° immersive sound, deep bass, and enhanced volume. With IP67 water and dust resistance, 16 hours of battery life, and a rugged design, it’s perfect for outdoor adventures, poolside parties, or everyday use.

Bass & Beats Lab125In Stock

Specifications

General

  • Model: Wonder Boom 4

  • Manufacturer: Ultimate Ears / Logitech

Audio & Performance

  • Output: 360° immersive sound

  • Bass: Deep and enhanced

  • Stereo Mode: True Wireless Stereo (pair two speakers)

Battery & Charging

  • Battery Life: Up to 16 hours per charge

  • Charging Port: USB-C

  • Quick Charge: Approximately 1.5 hours to full charge

Connectivity

  • Bluetooth Version: 5.0

  • Compatible Devices: iOS and Android

Durability / Water Resistance

  • IP67 rated (waterproof and dustproof)

Controls

  • Play/Pause, Volume Up/Down, Track Skip, Power On/Off

Physical

  • Dimensions: 4.2 in × 4.2 in × 4.7 in (10.7 × 10.7 × 11.9 cm)

  • Weight: 420 g (14.8 oz)

  • Packaging: Speaker, USB-C charging cable, documentation

Notes

  • Firmware updates may be delivered via the Ultimate Ears app

  • Battery life varies depending on volume, usage, and environmental conditions

Frequently Asked Questions

Q1: How do I pair the Wonder Boom 4 with my phone?

A: Press and hold the power button until the LED flashes. Enable Bluetooth on your device and select "Wonder Boom 4" from the list of available devices.

Q2: Can I use the Wonder Boom 4 in water?

A: Yes, it’s IP67 rated, meaning it’s waterproof and dustproof. It can be submerged in up to 1 meter of water for 30 minutes.

Q3: Can I connect two Wonder Boom 4 speakers together?

A: Yes, hold the "+" buttons simultaneously on both speakers to enable True Wireless Stereo mode for enhanced stereo sound.

SKU: WB4-2025-RJX9

Available Colors

WhiteBlackBlueRedTealLavender

Price Options

variant:125 KYD
Wonder Boom 4 Bluetooth, Wireless Speaker - Image 1Wonder Boom 4 Bluetooth, Wireless Speaker - Image 2Wonder Boom 4 Bluetooth, Wireless Speaker - Image 3
Galaxy Buds 3 Pro

Premium true wireless earbuds with immersive sound, adaptive ANC, and multi-device connectivity — Galaxy Buds 3 Pro bring studio-quality audio on the go.

Bass & Beats Lab200
Apple AirPods 3rd Generation

The AirPods (3rd generation) deliver richer, more immersive sound with Spatial Audio and Adaptive EQ, all wrapped in a lightweight, in-ear design with a MagSafe-compatible charging case—ideal for music, calls, and on-the-go Siri control.

Bass & Beats Lab200
Apple AirPods 4th Generation

The Apple AirPods (4th Gen) bring a redesigned, more comfortable fit plus the H2 chip for clearer calls and richer sound. Available with or without Active Noise Cancellation, they offer Personalized Spatial Audio, USB-C charging, and up to 30 hours of combined listening time with the case.

Bass & Beats Lab225
Apple AirPods Pro 2nd Generation

AirPods Pro (2nd Gen) deliver powerful Active Noise Cancellation, Adaptive Audio, and Spatial Audio with immersive head-tracking — packed into a compact in-ear design and a MagSafe-compatible charging case for seamless daily use.

Bass & Beats Lab250
Apple AirPods Pro 3rd Generation

The AirPods Pro (3rd Generation) bring the world’s best in-ear Active Noise Cancellation, Personalized Spatial Audio with dynamic head tracking, and an improved fit for workouts — now with advanced health and durability features for everyday use.

Bass & Beats Lab300
Beats Solo Buds

Beats Solo Buds are compact, true-wireless earbuds tuned for music-first performance, offering long battery life, instant pairing with Apple devices, and a pocket-friendly charging case — designed for daily commutes and on-the-go listening.

Bass & Beats Lab150
Beats Fit Pro

The Beats Fit Pro delivers powerful, immersive sound with Active Noise Cancelling (ANC) and Spatial Audio with dynamic head tracking. Designed with secure wingtips for a comfortable fit, they’re perfect for workouts, commuting, and hands-free calls on Apple and Android devices.

Bass & Beats Lab225
JBL Charge 5, Portable, Waterproof + Power Bank

Bring the party anywhere. The JBL Charge 5 is a rugged, portable Bluetooth speaker with bold JBL Original Pro Sound, up to 20 hours of wireless playtime, an IP67 dust/waterproof rating, and a built-in power bank so you can charge phones on the go. It’s designed for outdoor use — pool, beach, picnics — while delivering surprisingly big sound for its size.

Bass & Beats Lab175
iPhone 13 Pro Max 5G

SmartMobiles650
Apple iCharge Turbo Cable (Lightning to Type-C)

Tech Essentials30
iPhone 17

SmartMobiles950
iPhone 17 Pro Max

SmartMobiles1500
Apple AirTag Smart Tracker

Tech Essentials50
Apple Pencil Pro

Tech Essentials200
FlexCharge 3-in-1 Foldable Charging Station

Tech Essentials60