PS Audio Sprout100 100watt stereo Integrated Amp/bluetooth-DAC 100-240 VAC. Design Designed to be compact and elegantly versatile, Sprout100 brings the content of yesterday to the technology of today. Sprout100 offers a maximum-resolution DAC, a variable subwoofer mono output, full RCA analog in/out connectors, a world-class RIAA phono-stage, a z-feedback low impedance headphone amplifier, and a universal internal power supply that allows you to take your new integrated amplifier abroad for maximum flexibility. Adorned with real walnut and machined aluminum knobs, each and every Sprout100 is unique. Application Sprout100's ease of use makes it appealing and accessible to those who would find most audio gear intimidating. Sonically notable for its lucid spatial detail, acute tonal retrieval, and commanding noise immunity, Sprout100 is equipped to drive your loudspeakers and headphones better than ever. For those seeking a better, simpler way to play music in their home, Sprout100 will fill your living room, bedroom, or any room with enormous, live sound. Sprout100 provides quality without complication. Specifications - Sprout100 Physical Unit Weight2.9 lbs [1.3 kg] Unit DimensionsWidth 6.2, Height 1.9, Depth 8.2 (chassis only, not including knobs) or 9.2” (including connectors and knobs) Shipping Weight5lbs [2.2 kg] Shipping DimensionsWidth 10.5, Height 5, Depth 14 Power requirements Voltage Options100-240 VAC, 50-60Hz, Auto-Detect Power Consumption280W Maximum Mains Power InputIEC C14 Phono Audio Input Connector1 Stereo Pair, Phono RCA Cartridge typeMoving Magnet Cartridge Output3mV-10mV (5mV recommended) Cartridge Loading47K? (100pF) EQ TypeRIAA Gain+40dB S/N ratio>84dB A-weighted (analog output) Analog Audio Inputs Connector1 Stereo Pair, Line Level RCA Maximum Input level2.1VRMS (+6.44dBV) Input impedance10K? Analog Audio Output Connector1 Stereo Pair, Line Level RCA Output level, maximum3.0VRMS (+9.5dBV) Output Max Gain (using Analog Inputs)8.45dB S/N ratio>105dB (3VRMS ref) THD (Analog)<0.01% (1VRMS, 1KHz) S/PDIF Digital Input ConnectorOptical (Toslink) FormatPCM (96KHz max), 24 bits USB Input ConnectorUSB “B” Type FormatPCM (384KHz max), 24 bits, DSD64 (DoP), DSD128 (DoP) Transfer modeAsynchronous Bluetooth AntennaBuilt in DACUses Sprout's built in asynchronous DAC over S/PDIF (ESS Sabre 9016 DAC) Stereo Power Amplifier Output 8? loudspeakers connected50 watts per channel, both channels driven 4? loudspeakers connected100 watts per channel, both channels driven THD (Speaker Output)<0.01% (1W, 1KHz into 4?) Frequency Response+/- 1dB (1VRMS out, 20Hz – 20Khz into 4-8?) Signal to Noise>100dB at max power into 4? Headphone Output 32? headphones connected500mW 300? headphones connected125mW THD<0.01% (1KHz, 50mW into 32 ?) Signal to Noise>105dB at max power into 300?