JBL Go 4 vs Ultimate Ears WONDERBOOM 4

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

Go 4 compared with WONDERBOOM 4
JBLGo 4Ultimate EarsWONDERBOOM 4
Overview
ReleasedJune 2024June 2024
Sound
TypePortable speakerPortable speaker
Dolby AtmosNoNo
Drivers45 mm driverTwo 40 mm active drivers and two 46.1 × 65.2 mm passive radiators; 360° sound; maximum sound level 86 dBC (normal) or 87 dBC (Outdoor Boost)
Amplifiers4.2 W RMS–
Frequency response90 Hz – 20 kHz; signal-to-noise ratio over 85 dB–
Room tuningEQ presets and a customisable EQ (highs, mids and lows) in the JBL Portable appOutdoor Boost; podcast EQ mode
Connections
Wi-FiNoNo
BluetoothYesYes
AirPlayNoNo
Voice assistantsNoneNone
BluetoothBluetooth 5.3 with LE Audio; A2DP 1.4, AVRCP 1.6; multipointBluetooth (version not published); 40 m range; connects to two source devices at once
PortsUSB-C for chargingUSB-C for charging
Multi-roomAuracast stereo pairing of two Go 4s, and multi-speaker playback with other Auracast JBL speakersPairs with a second WONDERBOOM 4, as a double-up or a left and right stereo pair
AppJBL Portable app–
Design
Battery life (maker's claim)Up to 7 hoursUp to 14 hours
Water and dust resistanceIP67IP67
Weight0.19 kg (better)0.42 kg
Battery life detailUp to 7 hours, plus 2 hours with Playtime Boost; 3.23 Wh (3.8 V, 850 mAh) lithium-ion polymer battery; 3 hours to charge at 5 V / 1 AUp to 14 hours; charges over USB-C (cable not included)
MountingCarry strapBungee loop attached
Size94.3 × 75.7 × 42.2 mm (W × H × D)104 mm tall, 95.3 mm wide
ColoursBlack, Black and Orange, Blue, Pink, Purple, Red, Sand, Squad (JBL Singapore)Active Black, Cobalt Blue (Ultimate Ears UK gallery)
In the boxGo 4, USB-C cable, quick start guide, warranty card and safety sheetWONDERBOOM 4 with attached bungee

More comparisons