VocoPro DTX-9909 K 700W MAX 7.1 Surround Sound Receiver with Professional Karaoke DSP Processing Standard Stereo Mode 100W+100W (8 MAX) Seven Channel Mode: Main 200W, Center 100W, Surround 200W, Surround Back 200W (8 MAX) DSP Vocal Reverb DSP Feedback Reducer 7 Input Channels (5 A/V, 2 Audio only) 2 MIC Inputs with Individual Volume Control Treble and Bass controls Digital AM/FM Tuner with 64 stationpresets Automatic Audio Format Recognition Headphone Jack with Speaker Bypass Dolby Digital Decoder DTS Decoder