Bose QuietComfort 2 vs Bose QuietComfort Headphones (2nd Gen)

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QuietComfort 2 compared with QuietComfort Headphones (2nd Gen)

	BoseQuietComfort 2	BoseQuietComfort Headphones (2nd Gen)
Overview
Released
Released	2003	August 2026
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	–	Yes
Spatial audio with head tracking
Spatial audio with head tracking	–	Yes
Back
Back	Closed	–
Bluetooth codecs
Bluetooth codecs	None (wired)	SBC and AAC
Lossless over USB-C
Lossless over USB-C	–	Yes
Noise cancelling detail
Noise cancelling detail	Noise cancellation works with the audio cable detached; the power switch is on the right earcup	QuietControl noise cancellation with a six-microphone system; adaptive feedforward control compensates for gaps in the ear cup seal (glasses, hair, hats); Quiet, Aware, Immersion and Cinema modes plus custom modes; Aware mode with ActiveSense softens sudden noise spikes; noise cancelling adjustable or fully off in the Bose app; wind block in custom modes
Audio features
Audio features	–	Bose TrueSpatial Technology with Immersive Audio (Still keeps the virtual speakers in place as you turn your head; Motion lets them follow) and Cinema Mode; SoundDesign signal processing; three-band EQ in the Bose app; two-way USB-C audio with lossless input up to 24-bit/48 kHz and voice output up to 24-bit/16 kHz
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 35 hours	Up to 24 hours
Battery life detail
Battery life detail	The 2003 Bose guide states about 35 hours from one AAA alkaline cell; a later Bose guide for a revised QC2 states about 40 hours	Up to 24 hours with noise cancelling on, 18 hours with Immersive Audio on; tested by Bose at 75 dB SPL; can be used over Bluetooth or USB audio while charging; the USB-C to 3.5 mm cable works only with the headphones powered on, so with a flat battery Bose says to listen over USB-C while charging
Fast charging
Fast charging	–	15 minutes gives up to 2.5 hours of playback; full charge in up to 3 hours (slower while in use)
Design
Weight
Weight	–	230 g
Bluetooth
Bluetooth	–	5.4
Two devices at once
Two devices at once	–	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	Power switch on the right earcup; Hi/Lo level switch on the cable connector	Physical buttons; on the right ear cup, a Bluetooth/power slider, a multi-function button (play, pause, skip, calls) and volume buttons; on the left ear cup, an Action button for modes and a shortcut to the voice assistant, Spotify or Immersive Audio settings
Microphones
Microphones	–	Six microphones, used for noise cancelling and calls, with updated background noise filtering for calls
Fit and ear tips
Fit and ear tips	Around-ear cushions and rotating earcups that fold flat into a case	Around-ear (circumaural) with a redesigned adjustable headband with smooth sliders; oval ear cups with removable protein leather cushions; plastic headband and yokes; folds for the carry case
Water resistance detail
Water resistance detail	–	No water resistance rating published
Works with
Works with	Detachable wired audio cable with 3.5 mm source plug; dual 3.5 mm airline adapter and 6.3 mm stereo adapter described in the guide	Bose app for iOS and Android; multipoint connection to two devices; Google Fast Pair; USB-C audio for calls and video conferencing on computers
Colours
Colours	–	Black, White Smoke; limited-edition Eucalyptus Green, Dewdrop Mint and Rosewood Mauve; Bose UK also lists Sky Pink
In the box
In the box	–	Headphones, carry case, USB-C to USB-C cable (1 m), USB-C to 3.5 mm cable, safety sheet