Marantz - AMP20 - Reference AV Amplifier Review: A New Benchmark in Home Theatre Excellence

The Marantz - AMP20 - Reference AV Amplifier Review reveals a masterful fusion of engineering precision and power. Handcrafted in Shirakawa, Japan, this 12-channel amplifier delivers an astonishing 200 watts per channel, redefining what a home theatre experience can be. From its refined HDAM-SA2 modules to custom Class D switching amplifiers, the AMP 20 ensures every nuance of your favourite soundtracks is reproduced with stunning clarity and authority.

In-Depth Technical Overview

The AMP 20’s custom-developed Class D amplification harnesses high-efficiency switching designs while maintaining ultra-low distortion, thanks to Marantz’s exclusive HDAM-SA2 circuitry. The result is a clean, dynamic output that drives demanding speaker loads effortlessly—whether in 2-channel high-fidelity music or full 12-channel immersive modes. Selectable output modes and Bi-Amp/BTL drive configurations let you optimise the AMP 20 for a range of speaker systems, ensuring seamless integration into bespoke installations.

Key Features

• 12 independent channels at 200W (8 Ω, 1 kHz, 0.05%)—power to spare for any immersive layout
• Bi-Amp and BTL drive modes—ultimate flexibility for stereo or wide-format setups
• Balanced/unbalanced inputs—professional-grade connectivity
• HDAM-SA2 modules—enhanced bandwidth and transient response
• Copper-plated chassis—superior shielding and vibration damping
• RS232, IR flasher, Marantz Remote Bus and DC trigger for comprehensive system control
• Front panel level meters—real-time output monitoring for precision tuning

Who Should Consider the AMP 20?

If you’re an audiophile or a home theatre enthusiast seeking reference-level performance, the AMP 20 is designed for you. Its high channel count makes it ideal for large immersive installations, Dolby Atmos or DTS:X environments, and multi-room audio distributions. Integrators will appreciate the versatile control options, while music purists will revel in the sheer purity of its amplification stage.

Seamless System Matching

Pair the AMP 20 with our recommended AV 20 processor to unlock the full potential of your setup. The synergy between components delivers breathtaking dynamics, pinpoint imaging, and room-filling power that transforms movies and music alike into visceral experiences. Speak with our team at The Audio Tailor to design a complete reference-level solution tailored to your space and taste.

Pros & Cons

• Pros:
  • Unmatched power and headroom across 12 channels
  • Exceptional signal integrity with HDAM-SA2 custom modules
  • Versatile control and connectivity ideal for custom installations
  • Robust copper-plated chassis for durability and EMI shielding
  • Low noise floor and minimal distortion at high loads
• Cons:
  • Premium price point—an investment for serious enthusiasts
  • Large footprint—requires ample rack space or cabinetry

Elevate Your Home Theatre with the AMP 20

Ready to experience unparalleled performance? Visit the Marantz AMP 20 product page for full specifications, or give us a call on 1300 308 711 to speak with one of our specialists. Our team at The Audio Tailor is passionate about crafting personalised solutions—let’s start your journey to reference-level audio today.