2, P180. 2, P80. 4, BP150. 1, BP300. 1, BP600. 1, BP1200. 1 Owner's Manual GENUINE JBL Thank you for purchasing a JBL Power SeriesTM amplifier. In order that we may better serve you should you require warranty service for your new amplifier, please retain your original purchase receipt and return the enclosed warranty registration card. Warning: Playing loud music in an automobile can permanently damage your hearing as well as hinder your ability to hear traffic. We recommend listening at low levels while driving your car. JBL accepts no liability for hearing loss, bodily injury or property damage resulting from use or misuse of this product. Important: Installation of automotive stereo components can require extensive experience in performing a variety of mechanical and electrical procedures. Although these instructions explain, in a general sense, how to install Power Series amplifiers, they may not show the exact installation methods for your particular vehicle. If you feel you lack the necessary tools or experience, ask your authorized JBL car-audio dealer about professional installation options. Choosing a Location and Mounting the Amplifier Amplifiers need air to stay cool. Suitable locations are under a seat (provided the amplifier doesn't interfere with the seat adjustment mechanism), in the trunk or in any other location which provides enough air for the amp to cool itself. Do not mount the amplifier with the heat sink facing downward, as this makes convection cooling of the amplifier impossible. Mount the amplifier so that it is not damaged by the feet of back-seat passengers or shifting cargo in the trunk. Mount the amplifier so that it remains dry ­ never mount an amplifier outside the car or in the engine compartment. Using the amplifier as a template, mark the location of the mounting holes on the mounting surface, drill pilot holes, and attach the amplifier to the mounting surface with screws...