Receiver Av Harman Kardon Avr 171 Seven 100-watt-per-channel amplifiers with high-performance digital power supply • Apple AirPlay, Bluetooth and DLNA 1.5 technology • HARMAN TrueStream technology • Six 3D-ready HDMI inputs, including one with MHL and two HDMI outputs • Dual subwoofer outputs • Multiroom system with assignable amplifier • Front-panel USB port • New, compact design • Dolby® TrueHD and DTS-HD Master Audio TM decoding • EzSet/EQ III auto-calibration • HARMAN GreenEdge technology • vTuner (Internet radio) streaming • Colour-coded connectors and binding-post speaker terminals • Multidevice, programmable/learning remote control • Harman Kardon remote app for compatible iOS® and Android TM smartphones and tablet Audio Section • Stereo power: 100 watts per channel, two channels driven @ 6/8 ohms, 20Hz – 20kHz, <0.07% THD • Multichannel power: 100 watts per channel, two channels driven @ 6/8 ohms, 20Hz – 20kHz, <0.07% THD • Input sensitivity/impedance: 250mV/27k ohms • Signal-to-noise ratio (IHF-A): 100dB • Surround-system adjacent channel separation: • Dolby Pro Logic® /DPLII: 40dB • Dolby Digital: 55dB • DTS® : 55dB • Frequency response (@ 1W): 10Hz – 130kHz (+0dB/–3dB) • High instantaneous-current capability (HCC): ±42 amps • Transient intermodulation distortion (TIM): Unmeasurable • Slew rate: 40V/sec Video Section • Television format: PAL • Input level/impedance: 1Vp-p/75 ohms • Output level/impedance: 1Vp-p/75 ohms • Video frequency response (composite video): 10Hz – 8MHz (–3dB) • HDMI: Supports up to 4K x 2K General Specifications • Power requirement: 220V – 240V AC / 50Hz – 60Hz • Power consumption: <0.5W (standby); 510W maximum • Dimensions (H x W x D): 121mm x 440mm x 300mm (4-3/4" x 17-5/16" x 11-13/16") • Weight: 5.1kg (11 lb)