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Guidance on selecting and installing appropriate power and ground cables for the amplifier.
Details on connecting the power cable to the battery with a fuse.
Instructions for connecting the remote turn-on lead from the source unit.
Specific instructions for connecting the ground cable to the vehicle's chassis.
How to connect the remote turn-on lead from the source unit to the amplifier.
Advice on running RCA cables to avoid interference and ensure signal integrity.
Connection method for sources with low-level RCA outputs.
Connection method for sources without RCA outputs, using speaker wires.
Explanation of the gain control's function for matching source and amplifier levels.
How to use the switch to select between Flat, High Pass Filter, and Low Pass Filter.
Details on the high-pass filter frequency adjustment range.
Details on the low-pass filter frequency adjustment range.
Information on the bass boost feature and its operation.
Location for connecting an optional remote bass controller.
Description and availability of the optional remote bass controller.
Where to connect speakers to the amplifier terminals.
Information on fuse ratings for different FLI models.
Reference to the connections section for details on power hookup.
Wiring diagram for a 4-channel stereo speaker setup with the amplifier.
Wiring diagram for a 3-channel bridged mode speaker setup.
Wiring diagram for a 2-channel bridged mode speaker setup.
Checks for issues preventing the amplifier from powering on, including ground and voltage.
Diagnosing problems indicated by the protection LED, such as shorts or overheating.
Steps to diagnose and resolve amplifier overheating issues.
How to identify and replace blown fuses, checking for related issues.
Solutions for distorted audio output, including gain and crossover settings.
Technical data for the FLI LOADED 400s amplifier.
Technical data for the FLI LOADED 800s amplifier.
Technical data for the FLI LOADED 1000m amplifier.
Description of the Line Level Convertor accessory and its function.
Details of the FLI wiring kit for amplifier installation.
Information on the FLI 1 Farad digital power capacitor accessory.
Description of the FLI baseball cap accessory.
Description of the FLI T-shirt accessory.