Bose SoundLink Flex (2nd Gen) vs JBL Charge 6

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SoundLink Flex (2nd Gen) compared with Charge 6

	BoseSoundLink Flex (2nd Gen)	JBLCharge 6
Overview
Released
Released	September 2024	April 2025
Sound
Type
Type	Portable speaker	Portable speaker
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	–	53 × 93 mm woofer and 20 mm tweeter; AI Sound Boost adjusts the drivers in real time to limit distortion
Amplifiers
Amplifiers	–	30 W RMS for the woofer, 15 W RMS for the tweeter
Frequency response
Frequency response	–	56 Hz – 20 kHz (−6 dB); signal-to-noise ratio over 80 dB
Audio formats
Audio formats	–	Lossless audio over USB-C from a compatible source (added by software update)
Room tuning
Room tuning	PositionIQ senses the speaker's orientation and adjusts the sound; adjustable EQ in the Bose 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 5.4; A2DP 1.4, AVRCP 1.6
Ports
Ports	USB-C (charging)	USB-C in and out (charges a phone, not a laptop); 5–20 V, 3 A input
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	Auracast stereo pairing of two Charge 6s, and multi-speaker playback with other Auracast JBL speakers
App
App	Bose app	JBL Portable app (iOS and Android)
Design
Battery life (maker's claim)
Battery life (maker's claim)	Up to 12 hours	Up to 24 hours
Water and dust resistance
Water and dust resistance	IP67	IP68
Weight
Weight	0.59 kg (better)	0.96 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	Up to 24 hours, plus 4 hours with Playtime Boost; 34 Wh (7.2 V, 4,722 mAh) lithium-ion polymer battery; 3 hours to charge at 12–20 V / 3 A; 10 minutes of charging gives up to 150 minutes of play
Controls
Controls	Buttons on top, including a programmable shortcut button (linking two speakers by default; Spotify Tap or the phone's voice assistant)	–
Microphones
Microphones	Built-in microphone for speakerphone calls	–
Mounting
Mounting	Nylon utility loop for carrying or clipping to a bag	Removable handle strap
Size
Size	2.06 × 7.93 × 3.56 in (H × W × D); 1.291 lb	228.8 × 98.5 × 94.0 mm (W × H × D); 0.99 kg with the strap
Colours
Colours	Black, Blue Dusk, Alpine Sage and Sandstone, plus limited editions; Bose UK currently sells Dewdrop Mint	Black, Blue, Red, Purple, Pink, White, Sand (JBL Singapore)
In the box
In the box	SoundLink Flex (2nd Gen), USB-C to USB-A cable, safety sheet	Charge 6, strap, quick start guide, warranty card and safety sheet