Marantz AMP 20 12 Channel Power Amplifier
Key Features & Benefits
12 Channels of High-Power Performance
The Marantz AMP 20 features 12 discrete, high-current channels designed to drive demanding speakers with ease. Each channel delivers clean, stable power, ensuring consistent performance in multi-channel setups, large home theatres, and custom installations.
HDAM Technology for Signature Marantz Sound
Engineered with Marantz’s renowned HDAM (Hyper Dynamic Amplifier Module) circuits, the AMP 20 provides exceptional audio purity, wide dynamic range, and low noise levels. Enjoy detailed highs, rich midrange, and tight, controlled bass across every channel.
Perfect for Immersive Formats
Whether you’re building a Dolby Atmos home theatre, DTS:X system, or a 7.1.4 / 9.1.4 setup, the AMP 20 delivers the headroom and accuracy needed for modern 3D sound formats. Pair it with a high-end AV preamplifier for a reference-grade cinematic experience.
Audiophile-Grade Build Quality
Marantz craftsmanship is evident in every detail—from rigorously selected components to vibration-resistant chassis construction. The amplifier is built for stability, longevity, and silent operation, ensuring premium performance for years to come.
Efficient Cooling & Thermal Stability
The AMP 20 is engineered for continuous high-power output with advanced thermal management. Its efficient cooling system ensures reliability even in demanding installations, making it an excellent choice for professional home theatre designers and audio enthusiasts.
Flexible Connectivity for Custom Installations
Designed with installers in mind, the AMP 20 offers a wide range of input options, bridging capability, and triggers for easy integration with processors, controllers, and automation systems.
Why Choose the Marantz AMP 20?
This 12-channel power amplifier is built for those who value uncompromising detail, cinematic dynamics, and powerful multi-zone audio. Whether used in a dedicated theatre room or throughout your home, the AMP 20 ensures consistent, premium sound quality in every application.
Take Your Home Audio to the Next Level
If you’re ready to elevate your home entertainment system with reference-grade amplification, the Marantz AMP 20 is the perfect foundation. Experience unmatched clarity, power, and performance—ideal for luxury home theatres and high-fidelity audio installations. Bring home the amplifier designed to exceed expectations and transform your listening experience.
Specifications of the Marantz AMP 20 12 Channel Power Amplifier
| Category | Details |
|---|---|
| Inputs / Outputs | Main Amplifier In: Balanced & Unbalanced, 12ch (Exclusive use by 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 Poweramps: 12 Power Output (8Ω, 1 kHz, 0.05%, 2ch Drive) Normal / BTL: 200W / 400W Power Output (4Ω, 1 kHz, 0.7%, 2ch Drive) Normal: 400W Power Output (8Ω, 1 kHz, 0.7%, 5ch Drive) Normal: 200W |
| General | Front Display: Level Meter Auto Power Off: Yes Metal Front Panel: Yes Power Consumption: 400W Power Consumption (No-Sound): 110W Standby Consumption: 0.2W Maximum Dimensions (W × D × H): 17.4 × 17.4 × 7.5 in. Weight: 39.7 lbs |
| What’s in the Box | Main unit, Quick Start Guide, AC Cord, Amp Control Cable, Remote Control Cable, SP Terminal Wrench |
Sudhir Bhat –
I added the Marantz AMP 20 12 Channel Power Amplifier to my dedicated home theatre setup and the improvement and control on the speakers was immediate. Each channel feels powerful and clean with plenty of headroom even at higher volumes. Dialog, effects and music all sound incredibly controlled and detailed. It runs cool, looks premium and delivers reliable performance. Totally worth the investment.