This cable is made with the 7N OCC Copper 16cores cable

Connector: 3.5mm male ,4.4mm male ,6.35mm male,4pin xlr male .2.5mm male

The 2.5mm Trrs Balanced male is compatible with Astell&Kern AK240 AK380 AK320 onkyo DP-X1 FIIO X5III XDP-300R iBasso DX200 & Power amplifier / Monitors / Speaker / HIFI equipment and so on players with 2.5mm Trrs Balanced port

The 4.4mm Balanced Male is compatible with SONY WM1A, NW-WM1Z, PHA-2A and other Audio player that with 4.4mm Balanced port.

length:different length available!

This replacement cable is compatible For Hifiman 300 400 i 1000 he400i he1000 he6 v1 v2  he 500 560 edx Headset Headphone 

Plug:Dual 2.5mm plug

Package include:1*Dual 2.5mm replacement cable (the headphone is not included)

Tips: 3.5mm 4 pole Balanced Plug (Bal) cable work on Hifiman Series Player (R2R2000 etc..), Qulcos qa361 Player , COWON PLENUE S Player ,F.AUDIO FA2 XS03 and other players which have related ports.MobilePhone Iphone or normal player can not work (One side will not have sound if you use the 3.5mm balanced cable on them).If you don't have Hifi professional music player, Please choose 3.5mm 3 pole plug cable.