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The Ultimate Home Cinema Experience with the MXA-8400

Aug 11, 2025
2 min read

Updated: Sep 16

LyngdorfMXA-8400

A New Benchmark in Multichannel Amplifiers


The MXA-8400 is Lyngdorf Audio's most powerful product to date. It delivers 8 x 400 watts of ultra-linear and stable power. This amplifier incorporates Purifi EIGENTAKT technology along with the innovative EIGENTAKT ErrorCorrection (EEC). Lyngdorf Audio’s advanced power supply, PowerPerfect, ensures efficiency. The ultra-low-noise and precise analog input stages enhance performance. A 4-layer main PCB optimizes signal purity and grounding. With these features, the MXA-8400 sets new benchmarks in audio quality, measured performance, and reliability.


Purifi EIGENTAKT Technology with Innovative EEC Circuit


Purifi EIGENTAKT technology stems from extensive research aimed at solving challenges in Class D amplifiers. The patented EIGENTAKT ErrorCorrection (EEC) guarantees ultra-high, full-output loop gain (>75dB) across the entire audio band. This results in extremely low Total Harmonic Distortion (THD) at any frequency and power level. Additionally, it achieves unrivaled low Inter Modulation Distortion (IMD). The outcome is a highly resolved and stable stereo image, unmatched by any other amplifier technology. The sound performance is incredibly neutral, with negligible audible noise and no sonic fingerprint.


Highly Efficient PowerPerfect Power Supply


The MXA-8400 features 8 Purifi amplifiers with a combined output power of 3.2 kilowatts. This high output creates significant challenges for the power supply, often a limiting factor in multichannel amplifiers. Lyngdorf Audio’s PowerPerfect is a highly efficient and advanced power supply. It includes integrated Channel Balancing Technology and multiple protection systems. This ensures optimal performance for each channel, even when all channels are driven. Its power efficiency and low idle power consumption allow the enclosure to act as a heatsink, eliminating the need for noisy fans. The mains power is decoupled by design, requiring no external power conditioner. This setup safeguards speakers from mains-generated noise and maintains a gentle load on the mains, preventing noise interference with other equipment.


Best-in-Class Performance Across All Levels, Frequencies, and Speaker Loads


Thanks to the combination of Purifi EIGENTAKT and PowerPerfect, the MXA-8400 maintains performance across all volume levels and the entire audio frequency range. Even when operating beyond its maximum specifications, it recovers from clipping in both voltage and current domains. The amplifier is immune to out-of-band noise on the input signal and is insensitive to difficult speaker loads. It consistently maintains a flat frequency response. The output channels are bridgeable, delivering up to 4 x 800 watts to drive even the most demanding loudspeakers effortlessly.


Designed, Assembled, and Tested in Denmark


The MXA-8400 is assembled to the highest quality standards at Lyngdorf Audio in Denmark. Each unit undergoes a rigorous 24-hour test with all channels driven. It must meet all specifications to ensure ultimate performance and reliability.


Conclusion: Elevate Your Home Cinema Experience


Investing in the MXA-8400 means elevating your home cinema experience to new heights. This amplifier not only provides exceptional power but also delivers unparalleled audio quality. With its advanced technology and meticulous assembly, the MXA-8400 stands as a testament to what is possible in home audio solutions.


For those seeking premium home cinema and audio solutions, the MXA-8400 is a clear choice. Experience the difference that professional-grade equipment can make in your home.



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