MPS1000 MARINE POWERED SUBWOOFER OWNER’S MANUAL www.jbl.com The Official Brand of Live Music.
INSTALLATION THANK YOU for choosing the JBL® MPS1000. In order that we may better serve you should you require warranty service for your new subwoofer, please retain your original purchase receipt and register your new JBL marine subwoofer online at www.jbl.com. WARNING Playing loud music in a boat can hinder your ability to hear other boats, passengers and nearby swimmers and can permanently damage your hearing. We recommend listening at low or moderate levels while operating your boat.
CONTROLS AND FUNCTIONS The MPS1000 has several controls and indicators that simplify sonic integration with the rest of the speakers on your boat. To gain access to the controls, you must remove the cover and the water-tight rubber plug underneath. To remove the cover, remove the two small Phillips-head screws and pull the cover away, according to the arrow in Figure 4. To reinstall the cover, follow the arrows in Figure 6 and replace the two screws. Figure 7.
TROUBLESHOOTING SYMPTOM Power LED is not lit. LIKELY CAUSE Fuse is blown. SPECIFICATIONS SOLUTION Fuse should be replaced. Head unit is not functioning properly. Power LED is lit but there is no bass. MPS1000 sounds muddy or distorted. Check remote voltage, and power, ground or remote connections. The MPS1000 is designed to shut off if the battery voltage falls below 10V. This is to ensure that your battery isn’t completely drained. Charge the boat’s battery. Inputs are not connected.
