Yamaha RXV671 7-channel AV Receiver in Black Audio Features 7-channel powerful surround sound, 1, 050W = 150W x 7 (4 ohms, 1 k Hz, 0.9 % THD, 1 ch driven); 630W = 90W x 7 (8 ohms, 20 Hz-20 k Hz, 0.09 % THD, 2 ch driven) HD Audio format decoding: Dolby True HD & DTS-HD Master Audio; Dolby Digital Plus & DTS-HD High Resolution Audio Discrete amp configuration Pure Direct for highest resolution sound Low jitter PLL circuitry helps optimise sound imaging Assignable amplifiers for bi-amp connection Intelligent assignable amplifiers for Surround Back to Front Presence or Zone 2 Video Features Analogue & HDMI video upscaling to full HD 1080p 1080p-compatible HDMI: 6 inputs (1 on front) & 1 output Supports Deep Colour (30/36 bit), x.v. Colour, 24 Hz Refresh Rate & Auto Lip-Sync compensation High quality video processing with precise deinterlacing Motion adaptive & edge adaptive deinterlacing Multi-cadence (incl. 3-2 pull-down) detection HDMI with 3D & Audio Return Channel Advanced Features SCENE buttons (BD/DVD, TV, CD & Radio) Quick & simple to use HDMI CEC powers up compatible TVs & Blu-ray Disc