Marshall Emberton III vs Ultimate Ears MEGABOOM 4

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Emberton III compared with MEGABOOM 4

	MarshallEmberton III	Ultimate EarsMEGABOOM 4
Overview
Released
Released	August 2024	June 2024
Sound
Type
Type	Portable speaker	Portable speaker
Channels
Channels	Stereo	–
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	Two 2-inch 10 W full-range dynamic drivers and two passive radiators, in a sealed cabinet; True Stereophonic 360° sound	Two 50 mm (2 in) 4 Ω full-range drivers and two 55 × 86 mm passive radiators; 360° sound; maximum sound level 85 dBC in an anechoic chamber, 91 dBC on the ground plane
Amplifiers
Amplifiers	2 × 38 W class D	–
Frequency response
Frequency response	65 Hz – 20 kHz; up to 90 dB SPL at 1 m	–
Connections
Wi-Fi
Wi-Fi	No	No
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	No	No
Voice assistants
Voice assistants	None	None
Bluetooth
Bluetooth	Bluetooth 5.3, LE Audio-ready; up to 100 m range in free field; connects to two devices at once and remembers eight	Bluetooth (version not published); 45 m range
Ports
Ports	USB-C for charging (5 V, 3 A)	USB-C for charging
Multi-room
Multi-room	–	PartyUp in the UE | BOOM app with over 150 BOOM, MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM speakers
App
App	Marshall Bluetooth app (iOS and Android), with battery preservation settings	UE | BOOM app, including Megaphone
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 32 hours	Up to 20 hours
Water and dust resistance
Water and dust resistance	IP67	–
Weight
Weight	0.67 kg (better)	0.935 kg
Battery life detail
Battery life detail	Over 32 hours; 2 hours to charge; 20 minutes of charging gives 6 hours	Up to 20 hours; charges over USB-C (cable not included)
Controls
Controls	Multi-directional control knob, power and Bluetooth buttons on top; 10-segment battery indicator	Magic Button for play, pause, skip and one-touch playlists (Spotify, Amazon Music, Apple Music on iOS)
Mounting
Mounting	–	Bungee loop attached
Microphones
Microphones	Built-in microphone for hands-free calls	–
Size
Size	160 × 68 × 76.9 mm (W × H × D)	225 mm tall, 87 mm across
Colours
Colours	Black and Brass, Black and Silver, Cream, Brown, Sage, Midnight Blue, Vintage Black, Pitch Black	–
In the box
In the box	Emberton III, USB-C cable, user manual and safety information (strap with the Brown version only)	MEGABOOM 4 with attached bungee, quick start guide printed inside the box