Analog amplifiers generate heat. The BQA 120 relies on its ribbed aluminum chassis to dissipate this heat passively. Mount the amplifier in a well-ventilated area, such as under a seat or in the trunk. Avoid mounting it upside down or burying it beneath thick carpeting. Step 2: Setting the Input Sensitivity (Gain)
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Keep the audio signal cables (DIN/RCA) routed on the opposite side of the vehicle away from heavy power cables. Analog amplifiers generate heat