Musical Fidelity
Musical Fidelity M6si500 Integrated Amplifier
Best powerful amplification for discerning audiophiles.
The Musical Fidelity M6si500 is a high-performance, high-powered super integrated amplifier that effectively combines a separate preamplifier with two independent monobloc power amplifiers into a single unit. It delivers a substantial 500 watts per channel into 8 ohms, offering incredible load-driving ability and outstanding technical performance. This amplifier is engineered to drive virtually any loudspeaker to its maximum potential with an effortless, silky sound, huge dynamics, and a broad, deep soundstage. It features five inputs, including four line-level RCA inputs (one with home theatre bypass) and one balanced XLR input, along with preamp and fixed line outputs.
$5499.00
Owner Satisfaction
4.6
/ 5
Category Rank
1266
/ 2552
#1266 in Power Amplifiers
Price vs Category Average
-33%
Below average
Power Output (8 Ohm)
500
/ W
Who it's for
- Audiophiles with power-hungry speakers or large listening spaces.
- Discerning listeners prioritizing musicality and high-fidelity audio reproduction.
- Enthusiasts seeking a durable, all-in-one high-end amplification solution.
Who should skip it
- Budget-conscious consumers or those new to high-end audio.
- Users with limited space or those preferring compact audio components.
- Users desiring integrated streaming or comprehensive digital input options.
Performance breakdown
Power delivery
Massive 500-watt output handles even the most demanding loudspeaker loads effortlessly.
Soundstage depth
Creates an expansive, immersive sonic environment with remarkable spatial imaging.
Build integrity
Overengineered chassis construction ensures long-term stability and vibration resistance.
Dynamic range
Captures the full scale of musical transients with startling speed and impact.
Connectivity versatility
Essential analog inputs are provided, though digital connectivity is notably absent.
System integration
Home theatre bypass makes it a seamless addition to hybrid audio setups.
Key Specs
Power Output (8 Ohm)
500 W
Inputs
4 x line level RCA (1 with home theatre bypass)
Outputs
1 x RCA pre out, 1 x RCA fixed out
Dimensions (WHD)
17.3" x 6.3" x 18" (440 x 160 x 460 mm)
Weight
66 lb. (30 kg)
Features
- Dual Mono Power Amplifiers
- High Load Driving Ability
- Effortless, Silky Sound with Huge Dynamics
- Broad and Deep Sound Stage
- Home Theatre Bypass Input
- Overengineered Build Quality
What customers say
Customers consistently laud the Musical Fidelity M6si500 for its exceptional sound quality and robust build. Reviewers frequently highlight its powerful, detailed, and transparent audio reproduction, noting its remarkable ability to drive even the most demanding loudspeakers effortlessly. The amplifier's solid construction and premium aesthetic also earn high praise, conveying a sense of enduring quality and reliability. Many consider it a significant investment that delivers an unparalleled listening experience, making it a top choice for serious audio enthusiasts seeking high fidelity performance.
Know before you buy
The M6si500 houses two independent power amplifiers within one chassis. This configuration minimizes crosstalk and interference between channels, resulting in superior stereo separation and a more precise, expansive soundstage.
Yes, the unit includes a dedicated home theater bypass input. This allows you to integrate the M6si500 into a surround sound system, letting your AV processor control the volume for movies while the amplifier powers your main speakers.
With 500 watts per channel into 8 ohms, this amplifier is designed to handle even the most demanding, low-sensitivity loudspeakers. Its high current delivery ensures it maintains control over difficult speaker loads without sounding strained.
No, the M6si500 is strictly a line-level integrated amplifier. To use a turntable, you will need to connect an external phono preamplifier to one of the available RCA inputs.
The amplifier is quite substantial, measuring 17.3 inches wide by 18 inches deep and weighing 66 pounds. You should ensure your rack or shelf is sturdy enough to support the weight and deep enough to accommodate the chassis plus the necessary cable clearance.
The preamp output is volume-controlled, making it ideal for connecting an external power amplifier or an active subwoofer. The fixed line output provides a constant signal level, which is typically used for recording devices or external headphone amplifiers.
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$5499