5.1 channel output 5 x 50w 1 x 100w RDS tuner with 20 presets Dolby Digital Dolby Prologic II DTS decoder built-in Multi DSP theatre surround effect Output for active subwoofer Full function remote control Coaxial & optical digital inputs 2 x analog inputs AV The AVR-280 AV-Receiver features a multitude of video & audio input options. Housed behind an elegant aluminium front this slim & powerful audio video master packs a punch worthy of any Hollywood heavyweight. Your entertainment options beyond DVD movies include audio CDs & your favorite radio stations via the built-in FM RDS radio tuner featuring 20 station presets. The built-in 350W watt amplifier powers six external loud-speakers. The AVR-280 AV-Receiver naturally supports such sound formats as Dolby Digital Dolby Pro Logic II as well as DTS