Ultimate Ears BOOM 3 vs Ultimate Ears BOOM 4

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BOOM 3 compared with BOOM 4

	Ultimate EarsBOOM 3	Ultimate EarsBOOM 4
Overview
Released
Released	2018	June 2024
Sound
Type
Type	Portable speaker	Portable speaker
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	Two 2-inch drivers and two 2 × 4-inch passive radiators	Two 40 mm active drivers and two 46.1 × 65.2 mm passive radiators; 360° sound; maximum sound level 85 dBC
Frequency response
Frequency response	90 Hz–20 kHz; maker maximum sound level 90 dBC	–
Connections
Wi-Fi
Wi-Fi	No	No
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	No	No
Voice assistants
Voice assistants	None	None
Bluetooth
Bluetooth	A2DP wireless audio; maker claims up to 45 m mobile playback range and pairing with up to eight source devices	Bluetooth (version not published); 45 m range
Ports
Ports	Micro-USB charging; optional POWER UP charging dock	USB-C for charging
Streaming
Streaming	Bluetooth audio from compatible phones, tablets and other devices	–
Multi-room
Multi-room	PartyUp links up to 150 BOOM and MEGABOOM speakers across generations, according to the launch release; two BOOM 3 speakers can form a stereo pair (What Hi-Fi and TechRadar)	PartyUp in the UE | BOOM app with over 150 BOOM, MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM speakers
App
App	BOOM & MEGABOOM app; four equaliser presets and custom tuning; remote power control	UE | BOOM app, including Megaphone
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 15 hours	Up to 15 hours
Water and dust resistance
Water and dust resistance	IP67	IP67
Weight
Weight	0.608 kg (better)	0.62 kg
Battery life detail
Battery life detail	Rechargeable lithium-ion battery; maker claims 15 hours of playback	Up to 15 hours; charges over USB-C (cable not included)
Controls
Controls	Volume +/–, power and Bluetooth pairing; Magic Button for play, pause and skip. Launch playlist shortcuts supported Apple Music on iOS and Deezer Premium on Android	Magic Button for play, pause, skip and one-touch playlists (Spotify, Amazon Music, Apple Music on iOS)
Mounting
Mounting	–	Bungee loop attached
Size
Size	184 mm high, 73 mm wide	184 mm tall, 73 mm across
Colours
Colours	Launch colours Night, Sunset, Lagoon and Ultraviolet	–
In the box
In the box	BOOM 3, Micro-USB cable, quick-start guide	BOOM 4 with attached bungee, quick start guide printed inside the box