Audio-Technica AT-PHA55BT Wireless Headphone amplifier - Discontinued headphone 4.4mm Sennheiser HD 800

Sennheiser HD 800

5 mm Jack (NOT A STANDARD JACK)

you are left with what some are calling the most comfortable headphone around

04lbs) Colors Black

4 mm Pentaconn socket

Audio-Technica AT-PHA55BT Wireless Headphone amplifier - Discontinued headphone 4.4mm Sennheiser HD 800Compact Bluetooth headphone amplifier with powerful technology to deliver high quality wireless sound to your headphones Supports high quality LDAC, aptX and AAC audio codecs Output mode switch allows selection of output impedance suitable for dynamic or balanced armature drivers Built in microphone allows you to take calls from a paired smartphone Aluminum housing reduces unwanted resonance 3. 5 mm (1 8") stereo output jack Up to 8 hours of