JBL GT-BassPro12 Owner's Manual
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JBL GT-BassPro12 Owner's Manual

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See also: Owner's Manual
GT-BassPro12
powered automotive subwoofer
Owner's Manual

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Summary of Contents for JBL GT-BassPro12

  • Page 1 GT-BassPro12 powered automotive subwoofer Owner’s Manual...

  • Page 2: Included Items

    In order that we may better serve you should you require warranty service, please retain your original sales receipt and register your • I f you must replace the GT-BassPro12’s fuse, be sure to use the same GT-BassPro12 online at www.jbl.com.
  • Page 3 Do not route the cable outside You may mount the remote level control under the dashboard or inside the vehicle. Connect the cable between the GT-BassPro12’s Remote the glove box or console. Level Control connector and the connector on the remote level control.
  • Page 4 If your car audio system’s head unit has a line-level subwoofer sYsteM output: The JBL GT-BassPro12 is equipped with two line-level (RCA) input If the head unit has a line-level subwoofer output, you can connect it to connectors and a high-level input connector. Consult the following either of the GT-BassPro12’s line-level input connectors.

  • Page 5: Connecting Power And Ground

    Audio System wiring harness (the gray and white leads without stripes); connect the car Head Unit audio system’s “–” speaker wires to the “–” wires on the GT-BassPro12’s Remote Turn-On high-level input wiring harness (the leads with black stripes). Use least >...

  • Page 6: Using The Subwoofer

    Control phase switch: This switch will reverse the phase of the GT-BassPro12’s output with respect to its input. When you install the GT-BassPro12 with an existing factory or aftermarket system, changing the Phase switch setting to reverse the subwoofer’s phase may produce a discernable increase or decrease in the amount of upper bass that the system reproduces, depending on the GT-BassPro12’s location in the vehicle...

  • Page 7: Specifications

    7. With the Phase switch set at 0°, play a music track that has impactful drums, and listen for the upper bass content, paying attention to the 1. Make sure the head-unit power is off and the GT-BassPro12’s Level impact of the drums. Then set the Phase switch to 180°, and listen control is set to minimum.

  • Page 8: Troubleshooting

    2. Subwoofer Bass Boost control is set too high. 3. Bass level is set too high on head unit. 4. Head-unit output is distorted or blown. See your authorized JBL car audio dealer. Output gets louder when the head-unit Using speaker-level input connections: One of the speaker-level input connections is reversed balance is adjusted to L or R.
  • Page 9 8500 Balboa Boulevard, Northridge, CA 91329 USA © 2011 HARMAN International Industries, Incorporated. All rights reserved. JBL and BassPro are trademarks of HARMAN International Industries, Incorporated, registered in the United States and/or other countries. Features, specifications and appearance are subject to change without notice.

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