The Dial 2-way audio converter is a Coaxial / Toslink audio converter, compact and convenient.It accepts audio signal input through either Coaxial cable or Toslink cable,and paes the signal (as is) to both its coaxial and Toslink output ports.Optical to Coaxial Audio:This bi-direction dial audio converter will split the optical signal of your optical source ( Blu-ray Player and Receiver etc.) into your Speaker or Amplifier, both optical and coax output audio at the same timeCoaxial& Optical Aduio Adapter:It will split the Coax signal from your Coaxial source into your Speaker or Amplifier, both optical and coax output audio at the same timeIt simply s the handy switch on the side of the converter box to choose Optical input or Coaxial inputLong-distance nsmiion:With built-in amplification , This dual-way audio converter can also serve as a of audio signal and extend the nsferring distance.Colour:blackMaterial:MetalPackage Contents:1 * Bi-direction Dial audio converter1 * USB power cableOnly the above package content, other products are not included.Note: Light shooting and different displays may ca the color of the item in the ture a little different from the real thing. The measurement allowed error is +/- 1-3cm.