Class D amps that are superior to all or most?

Class D amps that are superior to all or most?

Class D amplifiers, also known as digital or switching amplifiers, have come a long way in the world of high-fidelity audio. Traditionally, they were associated with efficiency and compactness rather than audiophile-grade sound quality. However, in recent years, technological advancements have given rise to Class D amplifiers that not only rival but often surpass the performance of traditional Class A and Class AB amplifiers. In this article, we will explore some Class D amplifiers that are considered superior to many competitors, showcasing their exceptional sonic capabilities and innovative design.

1. NAD Masters Series M33

The NAD Masters Series M33 is a flagship Class D integrated amplifier that has received widespread acclaim for its impressive performance and versatility. Key features and attributes of the NAD M33 include:

  • HybridDigital Purifi Eigentakt Technology: The M33 utilizes the state-of-the-art Purifi Eigentakt amplifier technology, known for its exceptional linearity, low distortion, and efficiency.
  • High Resolution DAC: It boasts a high-quality ESS Sabre DAC that supports high-resolution audio formats, ensuring that your music is reproduced with utmost fidelity.
  • Dirac Live Room Correction: The inclusion of Dirac Live room correction technology allows you to optimize the amplifier’s performance according to your room’s acoustics.
  • Streaming Capabilities: The M33 offers a wide array of streaming options, including BluOS, Apple AirPlay 2, and aptX HD Bluetooth, making it a versatile hub for modern audio sources.
  • Touchscreen Display: Its user-friendly touchscreen interface adds a touch of elegance and ease of use.

2. Hypex NCore Series

Hypex’s NCore technology is highly regarded in the world of Class D amplifiers. Several manufacturers have adopted NCore modules for their exceptional performance and reliability. Some NCore-based amplifiers to consider include:

  • Peachtree Audio Nova 500: This integrated amplifier combines Hypex NCore modules with a high-quality DAC, offering exceptional sound quality and versatility.
  • Bel Canto REF600M: Bel Canto’s REF600M monoblock amplifiers utilize NCore technology to deliver clean, transparent, and dynamic sound.

3. Purifi Eigentakt Modules

Purifi Eigentakt is a cutting-edge Class D amplifier technology developed by a team of engineers known for their pioneering work in audio. Amplifiers using Purifi Eigentakt modules have garnered significant attention for their exceptional performance. Here are some examples:

  • Gryphon Essence Stereo: The Gryphon Essence Stereo integrated amplifier incorporates Purifi Eigentakt modules, providing a perfect blend of musicality and precision.
  • Mola Mola Makua Preamp and Kaluga Monoblocks: Mola Mola, founded by the designer of the Purifi Eigentakt modules, offers a preamp and monoblock amplifiers that showcase the full potential of this technology.

4. Benchmark AHB2

The Benchmark AHB2 power amplifier is celebrated for its benchmark-setting performance in terms of distortion, noise, and overall transparency. Key features of the AHB2 include:

  • THX AAA Technology: It employs THX AAA technology, which delivers low distortion and exceptional linearity.
  • Compact Design: The AHB2’s compact and efficient design makes it suitable for both home audio and professional applications.
  • Wide Frequency Response: With a wide frequency response, it accurately reproduces audio across the spectrum.


Class D amplifiers have evolved to become true contenders in the world of high-fidelity audio, and the models mentioned above represent some of the finest examples of this technology. While individual preferences may vary, these Class D amplifiers have garnered acclaim for their exceptional sound quality, efficiency, and innovative features. When considering an amplifier for your audio system, it’s essential to audition different models to determine which one best suits your listening preferences and complements your existing equipment.

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