Optical / Coaxial Input

R1280DB, R1280DBs, R1380DB, R1850DB, R2000DB, S1000DB, S1000MKII, S1000W, S2000MKIII, S2000Pro, S3000Pro, S880Pro, Airpulse A80, Airpulse A100, Airpulse A200, Airpulse A300