PW Audio 4.4mm female to 3.5mm 2.5mm adapter Astell&Kern Digital Audio Player
It connects to both AK sockets: 2.5 mm (balanced signal) + 3.5 mm (ground). • PW Audio AK → 4.4 mm balanced female L-plug adapter (no other accessories, no box). • Plug type: Pentaconn PCB 4.4 mm Female → 2.5 mm Male + 3.5 mm Male.