What to do if Fusion Marine Audio power LED is not ‘ON’?
If the power LED on your Fusion Marine Audio isn't on, it's likely due to improper connections. Check that the ground wire, power wire, and remote wires are correctly connected to the appropriate terminals.
What to do if my Fusion FM-402 Marine Audio amplifier fuse is blown?
If the fuse or amplifier is blown in your Fusion Marine Audio, replace it with the correct AMP rated fuse.
What to do if my Fusion FM-402 amplifier is too hot?
If your Fusion Marine Audio amplifier is overheating, move it to a more ventilated area to allow for better cooling.
What to do if Fusion Marine Audio has internal malfunction?
If your Fusion Marine Audio experiences an internal malfunction, disconnect all wires except the ground, power, and remote wires. Then, turn the amplifier on. If the protection light is still on, then return it for service.
Power| maximum power output | 70W x 4 |
|---|---|
| pre-output voltage | 3 V/10 k ohms |
| operating voltage | +10.2 - 16 VDC |
Audio Specifications| frequency response | 90 – 22kHz |
|---|---|
| efficiency | 87db |
| impedance | 4 ohms |
Weight and Dimensions| magnet structure | 60 Oz |
|---|---|
| enclosure dimensions | 515 x 233 x 190mm |
| min. mounting depth | 115mm |
Lists the primary technical specifications and advanced technologies of the FUSION amplifier.
Details the FUTRANZ system for efficient heat dissipation and thermal stability.
Explains the F.I.S.T. technology for effective heat removal from semiconductors.
Describes F.R.A.T. for regulated power supply and high output.
Covers Bass Remote Selector, Connector, and Power/Status LEDs.
Explains Crossover Selector, Low Pass, and High Pass filters.
Details Level, Bass Boost, and Subsonic Filter controls.
Covers RCA Input/Output, Ground, +12V, Remote, and Fuse details.
Optimal amplifier mounting for heat dissipation and protection from elements.
Recommends professional installation; guides DIY steps.
Detailed steps for connecting the +12V power cable to the battery.
Proper methods for establishing a secure amplifier ground connection.
Specifies minimum impedance for safe amplifier operation (2 ohm stereo, 4 ohm bridged).
Instructions for connecting the switched +12V source for amplifier power-on.
Guidance on correctly connecting speaker wires, ensuring polarity.
Steps to correctly set amplifier input level for optimal sound without distortion.
Illustrates the wiring for a single-channel amplifier setup.
Table to determine appropriate power cable gauge based on amperage and length.
Shows the wiring configuration for a two-channel amplifier setup.
Lists common problems, their causes, and solutions for the amplifier.
Provides detailed technical specifications of the FM-402 amplifier.
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