Marantz AMP 20
AMP 20 is a remarkably powerful 12-channel amplifier and can be paired with AV 20 for an elite, reference-level home theater system. Rated at 200 watts per channel into 8 ohms and 400 watts per channel into 4 ohms and built on Marantz’s exclusive HDAM and high-efficiency Class D amplification, it delivers clean, controlled power across complex multichannel speaker systems.
| Brand | Marantz |
| Model | AMP 20 |
| Channels | |
| Power per channel, 8 Ω (W) | 200 |
| Power rated from (Hz) | 1000 |
| Power rated to (Hz) | 1000 |
| Power rated at THD (%) | 0.05 |
| Power rated with channels driven | 2 |
| Power per channel, 4 Ω (W) | 400 |
| Bridged power, 8 Ω (W) | |
| Frequency response | |
| Total harmonic distortion (%) | |
| Signal-to-noise ratio (dB) | |
| Damping factor | |
| Input impedance (Ω) | |
| Gain (dB) | |
| Height (mm) | 191 |
| Width (mm) | 442 |
| Depth (mm) | 442 |
| Weight (kg) | 18 |