You are setting the deck step one plug dd-1 into amp with the amp gains all the way down you turn head unit up till distorted then back down till one knotch which should be undistorted step 2 you go to your amp and turn the gains up till distortion then back down just a touch till I distorted
DD-1 + for Ram truck
in SMD Distortion Detector (DD-1) Topics
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You are setting the deck step one plug dd-1 into amp with the amp gains all the way down you turn head unit up till distorted then back down till one knotch which should be undistorted step 2 you go to your amp and turn the gains up till distortion then back down just a touch till I distorted