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THANK YOU FOR YOUR PURCHASE ... IP.III Your product has been designed to provide you the performance and ease of operation you expect from JBL. Take lilY time to read this manual before operating or installing your amplifier. Keep it in your glove compartment along with the owner's manual for your car. Put your amplifier sales receipt with other important documents in order to expedite warranty service if needed. This manual describes general installation guidelines and operation instructions.
II 0 Speaker Output Connectors Connect speakers to these terminals, observing proper polarity (connect each speaker's positive(+) lead to the appropriate positive(+) terminal, and negative(-) lead to the appropriate negative(-) terminal. 4-channel operation: Connect the front left and right speakers to the front L+, L-, R+, and R- terminals, and the rear left and right speakers to the rear L+, L-, R+, and R- terminals. NOTE: Minimum speaker impedance is 2 ohms.
• Ground: Run a wire (the same gauge as the power wire) from the GND input to a factory bolt in the vehicle's chassis (see illustration below) . NOTE: Remove any paint from the chaS$iS for best contact. If using a ring connector, place a star washer below the ring connector for a secure connection. • For a more secure ground connection , use the included E.A.R.L. ground terminal.
Turn the front input level control dial clockwise towards MAX until you hear distortion in the music (it's no longer clear). • Turn the front level input control dial counter-clockwise until the music sounds clear again. Your front input level is now correctly set. Repeat this process with the rear channels. • • ~ Crossover frequency controls {FREQ) Turn the dials to the left to lower the crossover point, and to the right to raise the crossover point.
