Audio-Technica M50xBT Wireless Headphones B-Stocksearch

Audio-Technica M50xBT Wireless Headphones B-Stock

Audio-Technica M50xBT Wireless Headphones B-Stock

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Studio Sound, Unbound

The Audio-Technica M50xBT brings Bluetooth to the M50X, one of the most popular headphones in the world. Made for on-the-go listening, this wireless design delivers the same critically acclaimed sonic performance as the original model. Both use proprietary 45-millimeter large-aperture drivers for deep, accurate bass response and exceptional clarity throughout the extended frequency range. On the bottom of the M50xBT, you’ll find touch controls that provide convenient access to voice assist. Meanwhile, the mic and button controls built into the ear cup allow you to manage calls, music playback, and volume with ease. To make sure you’re never without your music, the battery gives you an impressive 40 hours of continuous use on a single charge.

Note: This B-stock model differs from standard models in terms of packaging. It comes in a simplified cardboard box containing all of the original accessories. Photos of the packaging will be posted in the discussion.

B-stock models from Audio-Technica are extensively checked and tested, and any headphones showing wear are removed from resale. They're extensively cleaned with 91-percent isopropyl alcohol and Windex, with any signs of wear being replaced. Units are only sold if they resemble like-new condition. Finally, the Bluetooth is tested with phones to make sure it works properly.


  • Audio-Technica
  • Type: Closed-back dynamic
  • Driver diameter: 45 mm
  • Magnet: Rare earth
  • Voice coil: CCAW (copper-clad aluminum wire)
  • Frequency response: 15 Hz–28 kHz
  • Sensitivity: 99 dB/mW
  • Impedance: 38 ohms
  • Bluetooth version: 5.0
  • Maximum range: Line of sight, approx. 33 ft (10 m)
  • Compatible Bluetooth profiles: A2DP, AVRCP, HFP, HSP
  • Support codec: Qualcomm aptX, AAC, SBC
  • Battery: DC 3.7V lithium-polymer battery
  • Battery life: Approx. 40 hrs continuous use
  • Charging time: Approx. 7 hrs (for 0–100% charge), depending on environmental conditions
  • Weight without cable and connector: 10.9 oz (310 g)


  • Protective pouch
  • Detachable 3.9 ft (1.2 m) iS controller cable with mic
  • 12 in (30 cm) USB charging cable


All orders will be shipped by Massdrop.

Estimated ship date is Apr 5, 2019 PT.

After the drop ends, payment will be collected and the group’s order will be submitted to the vendor up front, making all sales final. Check the discussion page for updates on your order.