P502 Hypex Ncore Amplifier

March Audio offer a superb range of stereo power amplifiers to complement the DAC1. In matching enclosures milled from solid aluminium, with a tough anodized treatment, these amplifiers have exceptional fit and finish.  The P502 features Hypex Ncore technology and delivers ultra low distortion, noise and high power output in a compact format.  Ncore® is the first Class-D amplifier not just to nudge the best linear amplifiers, but to surpass them in every aspect relevant to sound quality. If you want the ultimate in clarity, resolution and musicality, there is no longer a reason to trade efficiency or compactness.

The class leading technical performance, and ability to drive difficult speaker loads, ensures a neutral but captivating musical sound that will suit all partnering equipment.

All models feature touch power switch, balanced XLR inputs (compatible with single ended RCA*), and heavy duty speaker binding posts.  High quality OCF speaker cable and Mogami signal cable is used internally providing the best signal integrity and shielding. Input RF filters ensure freedom from intermodulation. Sophisticated protection circuitry will immediately shut the amp down in case of a fault conditions. An indicator warns if the amp is overdriven into clipping conditions helping you to protect your valuable speakers.


The P502 is also bridgeable into a mono-block amplifier greatly increasing power output*.


Suitable for use directly driven from high quality DACs or Pre-Amplifiers.

All amplifiers come with a 3 year warranty.

*Adaptor input cable required.

P502 Power Amplifier

The P502 stereo power amplifier offers tremendous power output for the most demanding or insensitive of speaker loads.  Once more it shares the same family subjective characteristic of a clean, detailed and neutral sound thats never harsh, with tremendous grip and drive with bass frequencies.


  • Power Output 

    • 2 Ohms - 450 W

    • 4 Ohms - 500 W

    • 8 Ohms - 350 W

  • Power Output Bridged

    • 8 Ohms - 1.2 kW

  • Current Output - 27 A

  • THD + N - 0.0018% (Pout/2)

  • Output Noise - 40uV

  • Signal To Noise Ratio - 124 dB

  • Output Impedance - 2.6 mOhms

  • ETI Research Solid Copper Gold Plated BP20C Speaker Binding Posts

  • 12 Volt Trigger Input

  • Clip Indication

  • Frequency Response - 10Hz to 50kHz (+0/-3dB)

  • Voltage Gain 26dB

  • Dimensions 330mm x 180mm x 75mm