Bose SoundLink Flex (2nd Gen) vs Sony ULT FIELD 1

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SoundLink Flex (2nd Gen) compared with ULT FIELD 1

	BoseSoundLink Flex (2nd Gen)	SonyULT FIELD 1
Overview
Released
Released	September 2024	April 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
Room tuning
Room tuning	PositionIQ senses the speaker's orientation and adjusts the sound; adjustable EQ in the Bose app	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 with a 9 m range; multipoint connection to two devices; aptX Adaptive with Snapdragon Sound devices	Bluetooth 5.3; SBC and AAC; A2DP, AVRCP, HFP, HSP and SPP
Ports
Ports	USB-C (charging)	USB-C for charging only
Streaming
Streaming	Bluetooth; the shortcut button can start Spotify Tap	–
Multi-room
Multi-room	Stereo Mode with a second Flex (2nd Gen), or Party Mode with another current SoundLink speaker (Micro 2nd Gen, Plus or Max); SimpleSync with Bose smart soundbars and speakers	Stereo Pair with a second ULT FIELD 1 (switches to SBC)
App
App	Bose app	Sony | Music Center
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 12 hours	Up to 12 hours
Water and dust resistance
Water and dust resistance	IP67	IP67
Weight
Weight	0.59 kg (better)	0.65 kg
Battery life detail
Battery life detail	Up to 12 hours; up to 3 hours at maximum volume; up to 4 hours to charge; no power adapter included	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
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, play/call, volume and ULT
Microphones
Microphones	Built-in microphone for speakerphone calls	Built-in omnidirectional microphone with echo cancelling for hands-free calls
Mounting
Mounting	Nylon utility loop for carrying or clipping to a bag	Multi-way strap; works standing on its end or lying on its side
Size
Size	2.06 × 7.93 × 3.56 in (H × W × D); 1.291 lb	206 × 77 × 76 mm (W × H × D)
Colours
Colours	Black, Blue Dusk, Alpine Sage and Sandstone, plus limited editions; Bose UK currently sells Dewdrop Mint	Black, Off White, Forest Grey, Orange
In the box
In the box	SoundLink Flex (2nd Gen), USB-C to USB-A cable, safety sheet	Speaker (with strap), USB-C cable (USB-A to USB-C)