DS18 MP.4A Full-Range 4 Channel Class D Amplifier - 4 x 40W RMS @ 4-Ohm [MP.4A] MP.4A Full-Range 4 Channel Class D Amplifier - 4 x 40W RMS @ 4-OhmIn the rugged world of motorsports, where water, dust, and vibrations relentlessly test audio gear, the MP.4A stands strong.
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