AMP 20
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 erformance. 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
Our 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.

Inputs / Outputs | |
Main Amplifier In | Balanced & Unbalanced: 12 Ch (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 |
Specifications | |
Number of Power Amps | 16 |
Power Output (8 Ohm, 1 kHz, 0.05% THD, 2 Ch Driven): Normal / BTL | 200 W / 400 W |
Power Output (4 Ohm, 1 kHz, 0.7% THD, 2 Ch Driven): Normal | 400 W |
Power Output (8 Ohm, 1 kHz, 0.7% THD, 5 Ch Driven): Normal | 200 W |
General | |
Front Display | Level Meter |
Auto Power Off | Yes |
Metal Front Panel | Yes |
Power Consumption | 400 W |
Power Consumption No-Sound (ECO On/Off) | 110 W |
Standby Consumption | 0.2 W |
Dimensions (W x D x H) | 442 x 442 x 190 mm |
Weight | 18.0 kg |
What's In The Box | Main Unit, Quick Start Guide, AC Cord, Amp Control Cable, Remote Control Cable, SP Terminal Wrench |
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