Precision Power DCX 1000.4, DCX 300.4, DCX 800.5 manual Wiring

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WIRING

Before beginning, disconnect the negative (-) terminal of the battery prior to connecting the amplifier to the positive (+) 12V terminal to prevent a short to ground and potential damage to wiring and equipment. Some vehicle radios have an anti-theft feature where when the radio is removed from 12V the radio will no longer function and must be code reset.

Note: The cables running from the battery to the rear of the car should be installed on the side of the car opposite to the antenna.

When using 16 gauge wire or larger, run the speaker wires from the amplifier location through the vehicle to the speakers. Observe the

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Contents Amplifier Models Table of Contents Service CongratulationsFeatures Specifications Qbass Plustm Fuse RequirementsAmplifier Status Leds QBASS/QBASS Plus Specifications TOOLS/PARTS for InstallationWiring Page Ground Wiring Charging SystemCurrent Draw Amplifier Bridging Power Wire SizePower Lock Connectors Mixed Mono Output DCX 300.4 Front Plate Diagram DCX Front PanelDCX 300.4 END Plate Diagram Front HP/LP/FULL Switch Select the desired crossover Page DCX 800.5 Front Plate Diagram Page Inputs Source HeadunitDCX 300.4, 600.4, 1000.4 Block Diagram DCX 800.5 Block Diagram Advanced Instrumentation Input QbassQbass Plus TC-X CrossoverDCX 300.4/600.4/1000.4 Crossover Detent Chart Adjusting Input Gain Input CombineHigh Mass Internal Heatsink Forced AIR Thermal ManagementAP-IV Protection Circuit Opposite Channel Same Channel Limited TWO Year Consumer Warranty