Sony ULT FIELD 1 vs Ultimate Ears BOOM 4

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ULT FIELD 1 compared with BOOM 4

	SonyULT FIELD 1	Ultimate EarsBOOM 4
Overview
Released
Released	April 2024	June 2024
Sound
Type
Type	Portable speaker	Portable speaker
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	One woofer (about 83 × 42 mm) and one tweeter (about 16 mm), with a passive radiator	Two 40 mm active drivers and two 46.1 × 65.2 mm passive radiators; 360° sound; maximum sound level 85 dBC
Room tuning
Room tuning	ULT button for ULT POWER SOUND bass boost (on or off); 3-band custom equaliser in the app	–
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; SBC and AAC; A2DP, AVRCP, HFP, HSP and SPP	Bluetooth (version not published); 45 m range
Ports
Ports	USB-C for charging only	USB-C for charging
Multi-room
Multi-room	Stereo Pair with a second ULT FIELD 1 (switches to SBC)	PartyUp in the UE | BOOM app with over 150 BOOM, MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM speakers
App
App	Sony | Music Center	UE | BOOM app, including Megaphone
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 12 hours	Up to 15 hours
Water and dust resistance
Water and dust resistance	IP67	IP67
Weight
Weight	0.65 kg	0.62 kg (better)
Battery life detail
Battery life detail	About 12 hours at volume 25 of 50 with ULT POWER SOUND on; about 3 hours at maximum volume; about 5 hours to charge with a 1.5 A USB adaptor (faster with 3 A); STAMINA mode turns sound effects off to extend battery life	Up to 15 hours; charges over USB-C (cable not included)
Controls
Controls	Buttons for power, Bluetooth, play/call, volume and ULT	Magic Button for play, pause, skip and one-touch playlists (Spotify, Amazon Music, Apple Music on iOS)
Microphones
Microphones	Built-in omnidirectional microphone with echo cancelling for hands-free calls	–
Mounting
Mounting	Multi-way strap; works standing on its end or lying on its side	Bungee loop attached
Size
Size	206 × 77 × 76 mm (W × H × D)	184 mm tall, 73 mm across
Colours
Colours	Black, Off White, Forest Grey, Orange	–
In the box
In the box	Speaker (with strap), USB-C cable (USB-A to USB-C)	BOOM 4 with attached bungee, quick start guide printed inside the box