Upgrade your HPA V100, HPA V181 und HPA V200 to give it a digital coax input.

With this circuit it is possible to provide a coaxial digital input for the headphone amps HPA V100, HPA V181 und HPA V200. The coaxial digital input can be used to connect a digital device with a coaxial digital output (often called "S/P-DIF) like CD/DVD-Players or computers.