Sony ULT FIELD 3 vs Sony ULT FIELD 5

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

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ULT FIELD 3 compared with ULT FIELD 5

	SonyULT FIELD 3	SonyULT FIELD 5
Overview
Released
Released	April 2025	April 2025
Sound
Type
Type	Portable speaker	Portable speaker
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	One woofer (about 86 × 46 mm) and one tweeter (about 20 mm), with side passive radiators	2-way; one X-Balanced Speaker Unit woofer (about 79 × 107 mm) and two tweeters (about 46 mm, left and right), with passive radiators
Room tuning
Room tuning	ULT button for ULT POWER SOUND bass boost (on or off); Sound Field Optimization; 7-band custom equaliser in the app	ULT button with ULT1 (deep bass) and ULT2 (punchy bass); Sound Field Optimization; 10-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 5.2; SBC and AAC; A2DP, AVRCP, HFP, HSP and SPP; multipoint connection to two devices; Google Fast Pair	Bluetooth 5.3; SBC, AAC and LDAC; A2DP, AVRCP and SPP; multipoint connection to two devices; Google Fast Pair
Ports
Ports	USB-C for charging in and out (can charge a phone at 5 V, up to 1.5 A); not for audio	3.5 mm audio input; USB-C for charging in and out (can charge a phone at 5 V, up to 1.5 A)
Multi-room
Multi-room	Stereo Pair with a second ULT FIELD 3; Party Connect with compatible Sony speakers	Stereo Pair with a second ULT FIELD 5; Party Connect with compatible Sony speakers
App
App	Sony | Sound Connect	Sony | Sound Connect
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 24 hours	Up to 25 hours
Water and dust resistance
Water and dust resistance	IP67	IP67
Weight
Weight	1.2 kg (better)	3.3 kg
Battery life detail
Battery life detail	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	About 25 hours at volume 18 of 50 with ULT on and the lights off; about 10 hours with the lights on; about 2.5 hours at maximum volume with the lights on; about 3.5 hours to charge with a 9 V 3 A USB PD adaptor; 10 minutes of charging gives about 100 minutes of playback; Battery Care mode limits charge to about 90%
Controls
Controls	Buttons for power, Bluetooth/Stereo Pair, CONNECT (Party Connect), play/call, volume and ULT; battery and Battery Care button behind the cap	Buttons for power, Bluetooth/Stereo Pair, CONNECT (Party Connect), play, volume, ULT and LIGHT; battery and Battery Care button behind the cap; 360° Party Lights
Microphones
Microphones	Built-in omnidirectional MEMS microphone for hands-free calls	None listed among the parts, and no calling profile (HFP or HSP)
Mounting
Mounting	Detachable shoulder strap	Detachable shoulder strap
Size
Size	256 × 113 × 79 mm (W × H × D)	320 × 144 × 125 mm (W × H × D)
Colours
Colours	Black, Off White, Forest Grey	Black, Off White
In the box
In the box	Speaker, shoulder strap, USB-C to USB-C cable	Speaker, shoulder strap, USB-C to USB-C cable