The AC-ADM-COTO is a Universal Digital/Analog Audio Converter with Dolbyå¨ Digital & DTSå¨ 2.0+. The output can convert Optical, Coaxial and analog audio signals. With the ability to convert digital signals into analog and analog signals into digital, this device supports the simultaneous conversion of audio formats so when converting Optical into analog audio you can also convert it into Coaxial. This device acts as a "Catch All" audio decoder. It supports ALL IN and ALL OUT. The AC-ADM-COTO supports Dolby Digital & DTS.