Audio-Technica AT-PHA55BT Wireless Headphone amplifier - Discontinued headphone 4.4mm trouble resulting from poor connection

trouble resulting from poor connection through changes over time is avoided

Tia Single Bore

the flagship model of the SONOROUS series

5 mm Jack (NOT A STANDARD JACK)

4 mm Pentaconn socket

Audio-Technica AT-PHA55BT Wireless Headphone amplifier - Discontinued headphone 4.4mm trouble resulting from poor connectionCompact 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