Industry-leading noise canceling brings Only Music, Nothing Else
Premium Sound Quality from 40mm Liquid Crystal Polymer drivers
Take your control to the next level with integrated Google Assistant available via the "Sony | Headphones Connect" App. Just announced, support for Amazon Alexa coming soon.
Up to 30-hour battery life with quick charging (10 min charge for 5 hours of playback)
Smart Listening by SENSE ENGINE
Quick Attention Mode for effortless conversations without taking your headphones off
Touch Sensor controls to pause/play/skip tracks, control volume, activate your voice assistant, and answer phone calls
Ergonomically redesigned for all-day comfort at its best
Clear Hands-free calling
Activate your voice assistant with a simple touch
"Sony | Headphones Connect" App for Android /iOS to use Smart Listening technology to control your ambient sound settings.
Swivel & Folding Structure for easy carrying
Bluetooth® Technology: Version 4.2
Effective Range: Line of sight approx.30ft (10m)
Frequency Range: 2.4GHz band(2.4000GHz-2.4835GHz)
Frequency Range(A2DP): 20Hz - 20,000Hz (44.1kHz Sampling) / 20Hz - 40,000Hz (LDAC 96kHz Sampling, 990kbps)
Interface: A2DP, AVRCP, HFP, HSP
NFC: Yes
Power Output: Bluetooth power class 2
Supported Audio Format(s): SBC, AAC, aptX, aptX HD, LDAC
CableLength: Headphone cable(approx. 1.2m, OFC strands, gold-plated stereo mini plug)
Driver Unit: 40mm, dome type(CCAW Voice coil)
Frequency Response: 4Hz-40,000Hz
Headphone Type: Closed, dynamic
Impedance: 47 ohm(1kHz)(when connecting via the headphone cable with the unit turned on), 16 ohm(1kHz)(when connecting via the headphone cable with the unit turned off)
Magnet: Neodymium
Plug: Gold-plated L-shaped stereo mini plug
Sensitivity: 104.5dB/mW(1kHz)(when connecting via the headphone cable with the unit turned on), 101dB/mW(1kHz)(when connecting via the headphone cable with the unit turned off)
Wearing Style: Circum Aural
Weights (Approx.) *excl.cable erights: Approx. 255g
https://www.ebay.com/itm/Sony-WH-...632-2357-0
4 Comments
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Have not tried them both. Likely on par though. From what I read - same audio quality, XM4 offers slightly better mic and can detect when headphones are taken off to mute play (minor upgrades that are not worth the price difference to me)
Hope that helped a bit