[. . . ] Use extreme caution when cutting or drilling in and around these areas. · Make sure there is sufficient air circulation at the mounting location for the amplifier to cool itself. [. . . ] · Two-channel operation: Connect the left speaker to the L+ and L­ terminals and the right speaker to the R+ and R­ terminals. · One-channel (bridged) operation: Connect the single speaker to the R+ and L­ terminals. Minimum speaker impedance for 1-channel (bridged) operation is 4 ohms. 2 Power Input Connectors · +12V: Connect to the positive terminal of the vehicle's battery. Install an appropriate fuse holder and fuse (15A minimum) within 18 inches of the battery. Install protective grommets when routing wires through the firewall or other sheet metal. B Setting the Crossover A Crossover setting for 5" or larger full-range speakers when no subwoofer is included in the system. B Crossover setting for midrange and/or full-range speakers when a subwoofer is included in the system. Note: Acceptable frequency ranges are indicated in gray. Note: Remove any paint below ring connector. Star Washer · REM: Connect to the "Remote Out" lead from the source unit or to a source of switched 12V+ (ACC). 3 Input Connectors (RCA) · Connect to the RCA outputs from the source unit or signal processor. 4 Input-Level Control · Used to match the input level of the amplifier to the output level of the source unit. · See A for the adjustment procedure. This product is designed for mobile applications and is not intended for connection to the mains. [. . . ] Features, specifications and appearance are subject to change without notice. Declaration of Conformity Harman Consumer Group, Inc. 250 Crossways Park Drive, Woodbury, NY 11797 www. jbl. com © 2008 Harman International Industries, Incorporated. [. . . ]