Bose QuietComfort 35 vs Sony MDR-1000X

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QuietComfort 35 compared with MDR-1000X

	BoseQuietComfort 35	SonyMDR-1000X
Overview
Released
Released	June 2016	September 2016
Sound
Type
Type	Over-ear	Over-ear
Noise cancelling
Noise cancelling	Yes	Yes
Transparency mode
Transparency mode	–	Yes
Driver size
Driver size	–	40 mm
Back
Back	Closed	Closed
Bluetooth codecs
Bluetooth codecs	–	SBC, AAC, aptX and LDAC
Drivers
Drivers	–	40 mm dome-type drivers with aluminium-coated liquid crystal polymer diaphragms, CCAW voice coils and neodymium magnets; 4 Hz to 40 kHz wired frequency response; 46 ohms powered on or 14 ohms off at 1 kHz
Noise cancelling detail
Noise cancelling detail	Noise cancellation can run without audio; microphones inside and outside the earcups feed two Bose processing chips	Sense Engine with dual noise sensors and a Personal NC Optimiser; Ambient Sound Mode offers Normal and Voice settings, and Quick Attention passes outside sound through while a hand covers the right earcup
Audio features
Audio features	Volume-optimised EQ adjusts the balance with listening level	LDAC, aptX, AAC and SBC over Bluetooth; DSEE HX upscaling and S-Master HX amplification; NFC pairing
Battery
Listening time (maker's claim)
Listening time (maker's claim)	Up to 20 hours	Up to 20 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 20 hours with noise cancelling on or 22 hours off; up to 24 hours of talk time with noise cancelling on; full charge in about four hours
Design
Weight
Weight	–	275 g
Bluetooth
Bluetooth	–	4.1
Two devices at once
Two devices at once	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	Right earcup touch panel for playback, calls and volume; separate power, noise cancelling and ambient-sound buttons
Microphones
Microphones	Built-in microphones for calls; the launch announcement describes a dual-microphone system for voice pickup	Omnidirectional electret condenser microphone with a 100 Hz to 8 kHz frequency range
Fit and ear tips
Fit and ear tips	Around-ear cushions and folding headband with rotating earcups	Circumaural ear cushions; swivelling earcups fold into the supplied carrying case
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	Bluetooth A2DP, AVRCP, HFP and HSP; 3.5 mm detachable cable allows listening with the headphones switched off; Micro-USB charges the battery
Colours
Colours	Black and Silver at launch; Midnight Blue was sold later	Black, Grey Beige
In the box
In the box	Headphones, carry case, USB charging cable, back-up audio cable and airline adapter	Headphones, carrying case, 1.5 m headphone cable, Micro-USB cable and in-flight plug adaptor