Key Features50W x 2 Continuous Power into 8 or 4 Ohms90W / 150W / 200W IHF Dynamic Power into 8 / 4 / 2 OhmsFirst hi-fi amplifier to feature Chromecast built-inIntegrated Bluetooth® for added music streaming flexibilityBuilt-in Phono Preamp for TurntablesStereo Line, Optical Digital and Coax Digital inputsNAD Remote App support for tablet and smartphoneDedicated Headphone AmplifierSubwoofer OutputPreamplifierLine In, Subwoofer OutTHD (20Hz-20kHz)<0.005% at 2V outSignal/Noise Ratio>106dB (IHF; A-weighted, 500mV out, unity gain)Input Impedance (R and C)56 kilohm 100pFMaximum Input Signal>4.5Vrms (ref. 0.1% THD)Output ImpedanceSource Z 200 OhmInput Sensitivity50mV (100Hz ref. 500mV out, Volume maximumMaximum voltage output – IHF load>4.5V (ref. 0.1% THD)Line In, Headphone OutTHD (20Hz-20kHz)<0.005% at 1V outSignal/Noise Ratio>105dB (IHF; A-weighted, 32 Ohm loads, ref. 2V out, unity gain)Frequency Response±0.3dB (20Hz-20kHz)Channel Separation >56dB at 1kHzOutput Impedance 0.5 OhmGeneral SpecificationsLine In, Speaker OutContinuous Output Power into 4 Ohms and 8 Ohms (Stereo)>50W (at rated THD, 20-20kHz, both channels driven)IHF Dynamic Power 8 Ohm 80W4 Ohm 150W2 Ohm 210WTHD (20Hz-20kHz)<0.03% (250mW to 50W, 8 Ohm and 4 OhmSignal/Noise Ratio>98dB (A-weighted, 500mV input ref. 1W out in 8 Ohm)Clipping power>60W (at 1kHz 0.1% THD)Peak output current>18A (in 1 Ohm, 1 ms)Damping Factor>300 (ref. 8 Ohm, 20Hz to 6.5kHz)Frequency Response±0.3 dB (20Hz-20kHz)Channel Separation1kHz >75dB10kHz >65dBInput Sensitivity (For 50W in 8 Ohm)Line In: 380mV, Digital In: 18% FSSample RateUp to 24 bit/192kHz Phono In, Speaker OutTHD (20Hz-20kHz) (Stereo)<0.3% at 50W outSignal/Noise Ratio>82dB (200 Ohm source, A-weighted, ref. 500mV out)>76dB (MM cartridge source, IHF A-weighted, ref. 500mV out)Input Sensitivity4.1mV (ref. 50W 1kHz 4 Ohm out, Volume maximum)Frequency Response±0.3dB (20Hz-20kHz)Input Impedance47 kilohm 100pFMaximum Input Signal>80mVrms (ref. 0.1% THD)Power Consumptionat ECO Standby mode0.4 Watts*at Control Standby mode1.8 Watts**OFF mode (Power switched OFF)0 WattsAfter 20 minutes of no user interface interaction and no active source inputWith established wireless Bluetooth connectivity and 20 minutes of no user interface interaction and no active source inputNOTE: Bluetooth connectivity can be enabled or disabled via press and hold of PLAY button of AMP 3 remote controlWeight & DimensionsGross Dimensions (W x H x D)*435 x 70 x 285mm (17 1/8 x 2 13/16 x 11 1/4)”Net Weight4.85kg (10.7lb)Shipping Weight5.85kg (12.9lb)