Bose SoundLink Plus vs Sony ULT FIELD 3

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

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SoundLink Plus compared with ULT FIELD 3

	BoseSoundLink Plus	SonyULT FIELD 3
Overview
Released
Released	June 2025	April 2025
Sound
Type
Type	Portable speaker	Portable speaker
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	One subwoofer, one tweeter and four passive radiators	One woofer (about 86 × 46 mm) and one tweeter (about 20 mm), with side passive radiators
Room tuning
Room tuning	Adjustable EQ in the Bose app	ULT button for ULT POWER SOUND bass boost (on or off); Sound Field Optimization; 7-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 5.4 with a 9 m range; SBC, AAC and aptX Adaptive (with Snapdragon Sound devices); multipoint connection to two devices; Google Fast Pair; A2DP, AVRCP, SPP, iAP and BLE; remembers up to six devices	Bluetooth 5.2; SBC and AAC; A2DP, AVRCP, HFP, HSP and SPP; multipoint connection to two devices; Google Fast Pair
Ports
Ports	USB-C in and out (charges other devices at up to 15 W, 5 V/3 A)	USB-C for charging in and out (can charge a phone at 5 V, up to 1.5 A); not for audio
Streaming
Streaming	Bluetooth; the shortcut button can start Spotify Tap	–
Multi-room
Multi-room	Stereo Mode with a second SoundLink Plus; Party Mode with the Micro (2nd Gen), Flex (2nd Gen) or Max; SimpleSync with Bose smart soundbars and speakers	Stereo Pair with a second ULT FIELD 3; Party Connect with compatible Sony speakers
App
App	Bose app	Sony | Sound Connect
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 20 hours	Up to 24 hours
Water and dust resistance
Water and dust resistance	IP67	IP67
Weight
Weight	1.53 kg	1.2 kg (better)
Battery life detail
Battery life detail	Up to 20 hours; up to 4 hours at maximum volume; up to 5 hours to charge	About 24 hours at volume 22 of 50 with ULT POWER SOUND on; about 5 hours at maximum volume; about 3.5 hours to charge with a 9 V 3 A USB PD adaptor; 10 minutes of charging gives about 120 minutes of playback; Battery Care mode limits charge to about 90%; STAMINA mode for longer playback
Controls
Controls	Buttons on top, including a programmable shortcut button (linking two speakers by default; Spotify Tap or the phone's voice assistant)	Buttons for power, Bluetooth/Stereo Pair, CONNECT (Party Connect), play/call, volume and ULT; battery and Battery Care button behind the cap
Microphones
Microphones	None	Built-in omnidirectional MEMS microphone for hands-free calls
Mounting
Mounting	Nylon utility rope for carrying or clipping	Detachable shoulder strap
Size
Size	4.114 × 11.169 × 3.402 in (H × W × D) on Bose UK's spec table; the launch press release gives 9.1 in wide; 3.373 lb	256 × 113 × 79 mm (W × H × D)
Colours
Colours	Black, Blue Dusk and limited-edition Citrus Yellow at launch, plus later limited editions	Black, Off White, Forest Grey
In the box
In the box	SoundLink Plus, USB-C to USB-C cable, safety sheet	Speaker, shoulder strap, USB-C to USB-C cable