Moon by Simaudio
Simaudio MOON 880M Monoblocks
Best reference-grade power amplifier for audiophiles seeking ultimate sonic transparency.
Experience unparalleled audio fidelity with the Simaudio MOON 880M Monoblocks, reference-grade power amplifiers designed for the discerning listener. These monoblocks deliver immense, clean power reserves, ensuring dense recordings come alive with massive, ultra-clean dynamics. They feature a seamless transition from Class-A to Class-AB operation, providing exceptional sonic transparency and stunning control. Crafted with premium, custom-milled aluminum enclosures, the 880Ms offer deep bass weight and spaciousness, redefining high-end audio performance for an immersive listening experience.
$42000.00
Owner Satisfaction
4.8
/ 5
Category Rank
37
/ 1646
#37 in Power Amplifiers
Price vs Category Average
+409%
Above average
Circuitry
10
/ High-biased, Class-AB design (Class-A for first watts)
Who it's for
- Audiophiles driving power-hungry, low-efficiency reference loudspeakers
- Purists seeking uncolored, transparent, and highly accurate musical reproduction
- Investors looking for heirloom-quality components built for long-term reliability
Who should skip it
- Owners with enclosed or poorly ventilated listening environments
- Budget-conscious listeners seeking high-end performance without a luxury price tag
- Users with limited floor space or restricted equipment rack capacity
Performance breakdown
Power Reserves
Massive current delivery handles the most demanding loudspeaker loads with ease.
Sonic Transparency
The signal path remains remarkably clear, revealing every nuance of recordings.
Build Integrity
Precision-milled aluminum casework provides a rigid, vibration-free foundation for components.
Dynamic Range
Effortless transitions between quiet passages and explosive musical peaks.
Channel Separation
Monoblock architecture eliminates crosstalk for a truly expansive soundstage.
Operational Versatility
Seamless Class-A to Class-AB switching balances warmth with high-output efficiency.
Key Specs
Circuitry
High-biased, Class-AB design (Class-A for first 10 watts)
Output Devices
32 matched Motorola output devices per amplifier
Power Supply Capacitance
240,000 uF per amplifier
Power Transformers
Dual 1.3-kV power transformers per amplifier
Connectivity
Fully balanced design with RCA input option
Build Quality
Solid aluminum enclosures machined in-house
Channels
2 (Monoblock configuration)
Signal to Noise Ratio
Complete lack of noise in the presentation
Features
- Ultimate channel separation with monoblock design
- Seamless Class A to Class AB power transition
- Incredible resolution without listener fatigue
- Robust power reserves for dynamic music
- Premium aluminum casework built on CNC mill
- Fully balanced topology for superior signal integrity
- Drives virtually any demanding loudspeaker
- Complete lack of noise in presentation
What customers say
Customers view the Simaudio MOON 880M Monoblocks as reference grade, endgame amplifiers defined by exceptional sonic performance and build quality. Owners consistently praise the 880M's ability to drive difficult speakers with absolute authority, maintaining a pristine, neutral sonic signature. The soundstage is expansive, revealing micro-dynamic detail across all frequencies without adding coloration. Bass is deep and taut, while highs are airy yet smooth. Beyond the sound, the robust, luxurious physical build reinforces the premium investment. While the price is high, most users agree the unparalleled performance justifies the cost, establishing these monoblocks as an engineering benchmark.
Know before you buy
The monoblock configuration provides complete physical and electrical separation between the left and right channels. This eliminates crosstalk and interference, resulting in a wider, more precise soundstage and superior signal integrity.
The 880M operates in pure Class A for the first 10 watts, which provides the warmth and detail associated with that design. As power demands increase, it seamlessly transitions into Class AB, ensuring you have the massive reserves needed for complex, dynamic musical passages without sacrificing sonic transparency.
Yes. With dual 1.3-kV power transformers and 240,000 uF of capacitance per unit, the 880M is engineered to provide immense, stable power. It is designed to maintain control over virtually any loudspeaker, regardless of impedance dips or efficiency.
While the amplifier features a fully balanced topology for the best possible signal integrity, it also includes RCA inputs. You can use either connection type, though a balanced XLR connection is recommended if your preamplifier supports it.
No, the 880M is not rack-mountable. Due to its substantial build quality and specific thermal management requirements, it is best placed on a dedicated, sturdy amplifier stand or a high-quality equipment rack shelf.
No, the 880M is a dedicated power amplifier. It does not include a remote control or a built-in digital-to-analog converter, as it is designed to focus exclusively on pure, high-fidelity amplification.
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$42000