Marantz AMP 20 – 12-Channel Reference Amplifier with 200W

The Marantz AMP 20 is a reference-level multi-channel amplifier crafted for the most demanding home theater systems. It delivers 12 channels of 200 watts each, features exclusive HDAM-SA2 technology, selectable output modes (Normal, Bi-Amp, BTL), and a copper-plated chassis. The ideal match for the Marantz AV 20 processor.

Key Features

Ultimate Reference Performance

The AMP 20 uses custom-designed Class D amplification with HDAM-SA2 modules to deliver 200W per channel at 8Ω, or 400W in BTL mode. Every detail has been optimized to ensure maximum dynamics, control, and musicality.

Effortless Power

With 12 channels in one chassis, the AMP 20 can drive full Dolby Atmos or Auro 3D systems with authority and finesse. Output modes can be configured for Bi-Amping or BTL (Bridge-Tied Load) operation.

Premium Construction

Hand-built in Shirakawa, Japan, the AMP 20 features a copper-plated chassis, metal front panel, analog level control, and hand-selected components. It includes DC triggers, RS232 control, and Marantz remote bus integration.

Perfect Match for AV 20

The AMP 20 is designed to pair perfectly with the Marantz AV 20 preamp/processor, sharing the same design language, sonic philosophy, and reference-level build quality for a complete home theater solution.

Why Choose AMP 20

• ✅ 12 channels delivering 200W @ 8Ω or 400W in BTL mode
• ✅ Exclusive HDAM-SA2 technology for superior musicality
• ✅ Selectable output modes: Normal, Bi-Amp, BTL
• ✅ Copper-plated chassis, built in Japan
• ✅ Professional control: RS232, triggers, IR flasher
• ✅ Seamless integration with Marantz AV 20

Technical Specifications

What’s in the Box

• ✅ AMP 20 Main Unit
• ✅ Power Cord
• ✅ Amplifier Control Cable
• ✅ Remote Bus Cable
• ✅ Speaker Terminal Wrench
• ✅ Quick Start Guide