Video: easy setup on JBL EZ car amplifiers
Properly set the gain every time
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One of the biggest problems with installing an amplifier is setting the gain properly. JBL has come up with a fool-proof method for getting it right in their EZ line of car amplifiers, ensuring full-power performance and distortion-free play. Using test tones on the included setup CD, you first set your receiver's volume to 75%, then adjust the gain knob until the yellow light or the red light goes off, and the green "Gain OK" light comes on — it's that simple.