The MA5.2K is the latest addition to the renowned range of MA Series amplifiers. The MA5.2K utilises the Pulse Width Modulation principle in combination with a high efficiency two stage switching power supply to deliver true class D operation with unparalleled sonic performance and hitherto unobtainable power delivery.



  • Worldwide mains operating voltage
  • Power Factor Corection
  • Over-temperature forecasting
  • Thermal, short-circuit and overload protection
  • Temperature controlled air cooling system
  • Clip and permanent signal limiter
  • Digital gain attenuation
  • Interactive LCD matrix
  • PC remote control, monitoring and diagnostics



  • Live sound reinforcement
  • Fixed installations

Martin Audio MA5.2 Digital Amplifier

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