Yamaha Dedikerade Hörlurar Trådbundna Gitarr Elpiano

3.5And 6.5difference the same size as the mobile phone headset interface is 3.5 interface, if it is much larger, it is 6.5 interface. The headset socket on the piano is generally marked with PHONES. Electric piano is generally 6.5 interface. Yamaha, electronic organ is generally 6.5 interface. Other brands of electronic organ have 6.5 and 3.5 interfaces, which need to be verified.