Feature:1. MMCX TO A2DC: MMCX to A2DC adapter cable is MMCX female to A2DC male, you can connect the MMCX cable to A2DC interface headphones.2. COMPATIBLE: MMCX to A2DC cable is compatible for ATH CKS1100, E40, E50, E70, LS200, LS300, LS400, CKR90, CKR100, LS50, LS70 and other headphones with A2DC interface.3. LOSSLESS SOUND: MMCX to A2DC adapter cord is compact and portable, easy to use, it does not change the sound quality and provides lossless sound.4. DURABLE: MMCX to A2DC adapter cable is made of oxygen free copper, and the interface is gold plated and plug resistant for longer service life.5. PLUG AND PLAY: MMCX to A2DC cord is easy to use, plug and play, you can easily connect the MMCX cable to A2DC interface headphones.Specification:Item Type: MMCX to A2DC Adapter CableMaterial: Oxygen Free CopperCompatible: for ATH CKS1100 E40 E50 E70 LS200 LS300 LS400 CKR90 CKR100 LS50 LS70 Headphone with A2DC interface.Package List:2 x MMCX to A2DC Adapter Cable