AMP 20 is a remarkably powerful 12-channel amplifier, and can be paired with AV 20 for an elite, reference-level home theatre system. Crafted in Shirakawa, Japan 12 Channels 200 Watts per Channel Exclusive HDAM Custom Switching Amplifiers Selectable Output Modes Ultimate Performance AMP 20 combines very high-power output and high channel count to create a master reference-level amplifier for ultimate home theatre performance. When paired with AV 20, the results are unforgettable. Ultimate Performance - AMP 20’s custom-developed Class D amplification and refined HDAM-SA2 technology create the most incredible theatrical experience possible in your home. Sound Master Tuned - Marantz' Sound Master meticulously tuned AMP 20 for amazing performance with careful parts selection to create outstanding sound in your home. Effortlessly Powerful - AMP 20 gives you 12 channels of commanding power in a single enclosure, each rated at 200 watts to perform at extraordinarily high levels with no loss in fidelity. System Matching - Make sure you get the best possible performance from your AMP 20 by combining it with other Marantz products – such as the AV 20. Specifications Inputs & Outputs Main Amplifier in: Balanced & Unbalanced: 12ch (Exclusive use by a selector switch.) Speaker Terminal: SPKT-1+ Number of Speaker Terminals: 12 Bi-Amp Drive /BTL Drive: Yes / Yes Level Meter: Yes Chassis: Copper Plated Multi-Room CI RS232 Control: Yes IR Flasher In: Yes Marantz Remote Bus: Yes DC Trigger Input/ Output: 1 / 1 Other Number of poweramps: 12 Power Output (8 ohm, 1 kHz, 0.05% 2ch Drive) Normal / BTL: 200W / 400W Power Output (4 ohm, 1 kHz, 0.7% 2ch Drive) Normal: 400W Power Output (8 ohm, 1 kHz, 0.7% 5ch Drive) Normal: 200W General Front Display: Level Meter Auto Power Off: Yes Metal Front Panel: Yes Power Consumption: 400W Power Consumption, No-Sound: 110W Standby Consumption: 0.2W Maximum Dimensions (W × D × H): 17.4 × 17.4 × 7.5 in. Weight: 39.7 lbs What's in the box: Main unit, quick start guide, AC cord,Amp control cable, Remote control cable, SP terminal wrench UPC code: 747192143930