Harman Kardon AVR 135 6.1 Channel Surround Sound Audio/Video Receiver (Discontinued by Manufacturer) Multi-channel DVD-audio and SACD-ready, front-panel A/V input with selectable digital-audio input/output Handles Dolby Digital 5.1 and most DTS modes Triple-crossover bass management optimizes each input for your speakers Six x 40 high-current watts per channel Measures 17.3 x 6.3 x 15 inches (W x H x D)