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Phonic MAR4

Dolphin id:3028 Product SKU:MAR4

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Stereo 400W per side power amp. 2u rack

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Stereo 400W per side power amp. 2u rack

The power supply design of each MAR amplifier uses a robust toroidal transformer which eliminates the hum and audio problems found with less discriminating and cost-conscious products. This, together with Phonic’s traditional attention to design and quality of construction, allows the MAR amplifier range to pass, with ease, the most stringent performance standards, so ensuring confidence wherever they are fitted. MAR amplifiers contain a double steel chassis, double thickness steel front panel and rugged input and output connectors. Neutrik combo connectors further ensure trouble free set-up.

Advanced cooling is a feature of all MAR amplifiers, providing a safe and effective system for each model. The MAR4 has two dual-speed fans fitted. Each fan is independent of the other and four different levels of cooling are controlled by temperature sensitive circuitry.


  • Front panel LEDs for Protect, Limit & Signal
  • Detented dB gain controls
  • Built-in protection system for short circuit, DC, and temperature monitoring
  • Power-up muting
  • -20dB signal presence LEDs on each channel
  • Switchable limiting
  • Stereo/mono switch
  • Ground floating switch
  • Dimensions (W xDxH): 480x435x87mm
  • Weight: 14.4kg
Image: Phonic MAR4

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Phonic MAR4 Reviews



This was a good amp. It last for 12 or 13 years with out problem. They the power source stop working and 1 fan. I wonder if I change the fuses will it start working again. Can somebody help me.

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