The Bel Canto S300i represents a powerful statement in high performance audio amplifiers. Its superb audio performance and transparency renders it a modern standard in integrated amplifier design: All analog, low noise, low distortion architecture for controlling up to five (5) 2-channel inputs Optional USB DAC or MM Phono input modules are available 4-layer PC board design for superior signal routing, grounding and power supply routing Latest generation of low-noise, low-distortion high speed audio level controls provide superb measured and subjective audio quality Multi-stage power supplies for precise power to the sensitive analog circuitry Home Theater Bypass mode on Input 4 Digitally controlled analog volume control for optimum signal architecture. Single-Knob user interface provides simple, intuitive control function Dual Mono amplifier architecture with independent regulated switching power supplies insures rock solid bass and sonic imaging Low-Distortion, Wide Dynamic range fully balanced switching amplifier architecture insures that you hear all of the musical signal Preamplifier Section: Bandwidth DC-200KHz Volume setting for unity gain 80.0 Signal to Noise Ratio @ 2 Volt RMS >95 dB A weighted, 20Hz-20kHz Input overload 10 V RMS Output Impedance 500 Ohms Single Ended, Input Impedance 10K Ohms Single Ended Maximum Gain 20dB/10X Maximum Preamp Output Level 9.5 V RMS Amplifier Section: Power Output 150W/channel 8 ohms, 300W/channel 4 ohms Minimum rated load impedance 4 ohms Frequency Response 20Hz-20kHz, +/- 0.5dB THD+N 0.01%, 1W, 1KHz, 4 ohms IMD (CCIF) 0.002%, 1W, 14:15KHz, 4 ohms Output Noise 90uV A-weighted 20Hz-20KHz Voltage Gain 27dB Damping Factor >1000 Output Impedance <8 milliohms Dynamic Range 111dB Output Connection 2 sets Safety 5-way Binding Posts Idle power draw 15 Watts Power Requirements 100-120 VAC 50-60 Hz or 220-240 VAC 50-60 Hz Dimensions 8.5 W x 12.5 D x 3 H (216 mm x 318 mm x 75 mm) Weight: 12lbs. (5.5 kg) #belcanto #amplifier #audiophile