Bose QuietComfort 35 vs Bose QuietComfort 45

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QuietComfort 35 compared with QuietComfort 45

	BoseQuietComfort 35	BoseQuietComfort 45
Overview
Released
Released	June 2016	September 2021
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	–	Yes
Bluetooth codecs
Bluetooth codecs	–	SBC and AAC
Back
Back	Closed	–
Noise cancelling detail
Noise cancelling detail	Noise cancellation can run without audio; microphones inside and outside the earcups feed two Bose processing chips	Two modes, Quiet (full noise cancelling) and Aware (full transparency); microphones inside and outside the ear cups with a proprietary digital chip, tuned for mid-range frequencies such as voices
Audio features
Audio features	Volume-optimised EQ adjusts the balance with listening level	TriPort acoustic architecture; Active EQ; adjustable EQ (bass, mid-range and treble) in the Bose Music app
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 20 hours	Up to 22 hours
Battery life detail
Battery life detail	Up to 20 hours over Bluetooth or 40 hours with the audio cable and power on; passive wired audio remains available when the battery is depleted	Up to 22 hours on Bose's current product page, tested with noise cancelling on at 50% volume in continuous playback; Bose quoted up to 24 hours at launch (2021 press release); wired listening with the audio cable extends play time
Fast charging
Fast charging	–	15 minutes gives up to 3 hours; full charge in up to 2.5 hours (Bose UK; the launch press release said two hours)
Design
Weight
Weight	–	240 g
Bluetooth
Bluetooth	–	5.1
Two devices at once
Two devices at once	Yes	Yes
Headphone cable
Headphone cable	Yes	Yes
Controls
Controls	Power/Bluetooth slider, volume and multi-function buttons on the right earcup; NFC touchpoint for pairing	Physical buttons; on the right ear cup, power, volume up, volume down and a multi-function button (play, pause, calls, voice assistant); on the left ear cup, an Action button to switch modes and mute the microphone on calls
Microphones
Microphones	Built-in microphones for calls; the launch announcement describes a dual-microphone system for voice pickup	Four external microphones for voice pickup in a beamforming array with a noise-rejection algorithm; What Hi-Fi counts six microphones in total
Fit and ear tips
Fit and ear tips	Around-ear cushions and folding headband with rotating earcups	Around-ear with plush synthetic leather ear cushions and headband; impact-resistant nylon with cast-metal hinges; folds flat for the carry case
Case weight
Case weight	–	0.18 kg (carry case)
Water resistance detail
Water resistance detail	–	No water resistance rating published
Works with
Works with	Bose Connect app for iOS and Android; stores eight Bluetooth pairings and can connect to two devices at once, with one audio stream playing	Bose Music app for iOS and Android; multipoint connection to two devices; remembers up to seven paired devices; SimpleSync with Bose smart soundbars and speakers; Spotify Tap
Colours
Colours	Black and Silver at launch; Midnight Blue was sold later	Triple Black and White Smoke at launch
In the box
In the box	Headphones, carry case, USB charging cable, back-up audio cable and airline adapter	Headphones, carry case, 30.5 cm USB-C charging cable, 3.5 mm to 2.5 mm audio cable