Marantz
Marantz AMP20
Best high-performance amplifier for serious home theater enthusiasts.
The Marantz AMP20 is a powerful and versatile power amplifier designed to elevate your home theater experience. It delivers exceptional audio performance, ensuring every sound is reproduced with clarity and impact. This amplifier is built to complement high-end AV preamplifiers, providing the muscle needed to drive demanding speaker systems. Its robust construction and advanced internal components guarantee reliable operation and superior sound quality for an immersive listening environment. Experience the full potential of your audio with the Marantz AMP20.
$6000.00
Owner Satisfaction
4.5
/ 5
Category Rank
1157
/ 1688
#1157 in Power Amplifiers
Price vs Category Average
-27%
Below average
Power Output
111408
/ channels x W ( Ohms)
Who it's for
- Audiophiles seeking rich, musical, and expansive sound reproduction
- Design-conscious listeners valuing premium materials and elegant aesthetics
- Owners of demanding loudspeakers requiring stable, high-performance power
Who should skip it
- Budget-conscious buyers looking for entry-level or mid-range components
- Listeners with limited rack space or small listening rooms
- Users wanting an all-in-one system with integrated streaming features
Performance breakdown
Channel Capacity
Eleven discrete channels provide massive flexibility for complex surround sound setups.
Power Delivery
Consistent wattage ensures demanding speakers remain controlled and authoritative at volume.
Sonic Accuracy
Low harmonic distortion preserves the integrity of your high-resolution audio sources.
Efficiency
Class D architecture keeps heat output manageable while maintaining high performance levels.
Signal Clarity
The high signal-to-noise ratio ensures a silent background for pristine playback.
Build Integrity
Robust construction provides the structural stability required for long-term component reliability.
Key Specs
Power Output
11 channels x 140W (8 Ohms)
Amplifier Class
Class D
Frequency Response
20 Hz - 20 kHz
Signal-to-Noise Ratio
110 dB
Total Harmonic Distortion
<0.05%
Features
- High-performance 11-channel power amplifier
- Delivers 140W per channel into 8 Ohms
- Class D amplification for efficiency and sound quality
- Wide frequency response for detailed audio reproduction
- Excellent signal-to-noise ratio for clean sound
- Low total harmonic distortion for sonic accuracy
- Designed to pair with high-end AV preamplifiers
- Robust build quality for reliable operation
What customers say
Customers consistently praise the Marantz AMP20 for its exceptional sound quality, delivering a rich, detailed, and powerful audio experience that elevates any listening session. Many highlight its elegant design and robust build, appreciating how it seamlessly integrates into high end audio setups while exuding a premium aesthetic. The amplifier is frequently described as a significant upgrade, offering a refined performance that justifies its position in the market. Its ability to reproduce music with clarity and depth is a recurring theme among satisfied users.
Know before you buy
Yes, with 140 watts per channel across 11 channels, the AMP20 provides substantial power to handle demanding speaker loads with ease and control.
The AMP20 is designed to be paired with a high-end AV preamplifier. It acts as the dedicated power engine for your system, relying on the preamplifier to handle signal processing and source switching.
The Class D design allows for high efficiency and a compact footprint without sacrificing performance. It delivers a clean, accurate sound with very low distortion, ensuring your audio remains faithful to the original recording.
Absolutely. With 11 discrete channels of amplification, the AMP20 is perfectly suited for complex, immersive surround sound configurations, including 7.1.4 Dolby Atmos setups.
The AMP20 features an excellent signal-to-noise ratio of 110 dB. This ensures that the background remains virtually silent, allowing for greater clarity and detail in your music and movie soundtracks.
Still have a question?
Ask Hayley anything about this product before you decide.