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Video: easy setup on JBL EZ car amplifiers
Properly set the gain every time
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.