Sherwood R-507 5.1-Channel AV Receiver: * 100W per channel with 1 percent THD, 6ohm per channel * 75W per channel with 0.1 percent THD, 6ohm per channel * 20Hz-20kHz * Heavy duty speaker binding post * Quartz synthesized digital tuning * 30 station preset * Dolby TrueHD and Dolby Digital Plus * DTA-HD (master audio/high resolution audio) * Legacy audio decoding * Dolby Digital, Dolby Digital EX, Dolby Pro Logic LLZ * DTS-ES discrete and matrix * DTS 96/24, DTS NEO6 (cinema/music) * 3 HDMI inputs and 1 HDMI output * HDMI repeater (3D/ARC/CEC) * Front USB input MP3/WAV/WMA/AAC * Discrete power amplifier * Text OSD * Advanced 32-bit processing DSP chip * Digital audio input (2 optical/1 coaxial) * 4 analog inputs * 5 DSP modes (theater/hall/game/stadium/multi channel stereo)