I have a Marsh Sound Design A400s amp for sale. Absolutely outstanding amp, plenty of power without any harshness. I also own a Mac solid state amp, and the Marsh sound is very similar. Amp has both balanced & unbalanced inputs, and allows for speakers to be bi-wired. There is one small scratch on the face plate, otherwise in great shape.
The A400S gives out 200 watts per channel, for a total of 400 watts.
The A400S is designed with a High End circuit with very low-noise FETs. A balanced, complimentary differential input circuit makes the A400S even more linear than other systems.
The output stage has three pairs of high current, paralleled, bi-polar power transistors to meet the peak current demands of any speaker system.
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