More Information about Yamaha MX-D1 digital power amplifier
Description: Solid-state stereo power amplifier with class-D "digital" output stage operating at 352.8kHz. Maximum output power: 500Wpc into 4 and 8 ohms (24dBW, 27dBW, respectively) at 0.1% THD. Frequency response: 1Hz–100kHz, ±3dB; 20Hz–20kHz, ±0.5dB. THD at 10W/1kHz: <0.003%. Input sensitivity: 1.3V. Input impedance: 25k ohms. Damping factor: 200 (equivalent to an output impedance of 0.04 ohms), no frequency specified. Channel separation: 100dB. Dynamic range: 120dB or greater (IHF-A, low-pass filter at 20kHz). Standby power consumption: <0.1W.
Dimensions: 17 1/8 "(439mm) W by 2 7/8" (78mm) H by 17 3/16" (440mm) D. Weight: 23 lbs (10.4kg).
Read more at https://www.stereophile.com/content/yamaha-mx-d1-digital-power-amplifier-specifications#hZKRJxMZfkcQbEBA.99
This amplifier is brand new and boxed, never been used before.