Sonos Roam 2 vs Ultimate Ears WONDERBOOM 4

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Roam 2 compared with WONDERBOOM 4

	SonosRoam 2	Ultimate EarsWONDERBOOM 4
Overview
Released
Released	May 2024	June 2024
Sound
Type
Type	Portable speaker	Portable speaker
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	One tweeter and one midwoofer	Two 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)
Amplifiers
Amplifiers	Two class-H digital amplifiers	–
Room tuning
Room tuning	Automatic Trueplay (enabled in the Sonos app); bass, treble and loudness adjustable	Outdoor Boost; podcast EQ mode
Connections
Wi-Fi
Wi-Fi	Yes	No
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	Yes	No
Voice assistants
Voice assistants	Alexa and Sonos Voice Control	None
Wi-Fi
Wi-Fi	802.11a/b/g/n/ac, 2.4 GHz and 5 GHz	–
Bluetooth
Bluetooth	Bluetooth 5.2	Bluetooth (version not published); 40 m range; connects to two source devices at once
Ports
Ports	USB-C (15 W, 5 V/3 A) for charging	USB-C for charging
Streaming
Streaming	Apple AirPlay 2; direct control from apps such as Spotify and TIDAL; Sonos Radio	–
Multi-room
Multi-room	Groups with other Sonos products over Wi-Fi; Sound Swap sends playback to the nearest Sonos product	Pairs with a second WONDERBOOM 4, as a double-up or a left and right stereo pair
App
App	Sonos app (iOS and Android)	–
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 10 hours	Up to 14 hours
Water and dust resistance
Water and dust resistance	IP67	IP67
Weight
Weight	0.43 kg	0.42 kg (better)
Battery life detail
Battery life detail	5,000 mAh lithium-ion battery, up to 10 hours at moderate volume; charges by USB-C (7.5 W or higher adapter, not included), the Sonos Roam Wireless Charger or any Qi charger	Up to 14 hours; charges over USB-C (cable not included)
Mounting
Mounting	–	Bungee loop attached
Controls
Controls	Buttons for play, pause, skip, replay, volume and microphone mute; Bluetooth and power buttons	–
Microphones
Microphones	Far-field microphone array with beamforming and multichannel echo cancellation	–
Size
Size	168 × 62 × 60 mm (H × W × D)	104 mm tall, 95.3 mm wide
Colours
Colours	Black, White, Red, Blue, Green	Active Black, Cobalt Blue (Ultimate Ears UK gallery)
In the box
In the box	Roam 2, USB-C to USB-C cable (1.2 m), documentation	WONDERBOOM 4 with attached bungee