Do you have a question about the Impact Car Audio HC 550.2 and is the answer not in the manual?
Advises users to protect their hearing from high sound pressure levels to prevent damage.
Connects left and right audio signals to the amplifier using RCA plugs.
Adjusts the crossover frequency for the subsonic filter from 10 Hz to 150 Hz.
Sets the crossover frequency for the low pass output from 40 Hz to 4,000 Hz.
Selects between stereo (12dB/Oct) and mono (24dB/Oct) low pass signal modes.
Chooses between low-pass, full-range, or high-pass crossover modes for the amplifier.
Adjusts the crossover frequency for the high pass output from 10 Hz to 4,000 Hz.
Adjusts the input signal level from 200 mV to 9 V for optimal performance.
Adjusts the bass response at 45 Hz, offering an increase of +0 to +18 dB.
Describes the function of the green POWER and red PROTECTION LEDs.
Provides line output signal, automatically set by the crossover switch position.
Connects an optional remote controller for adjusting bass boost while driving.
Safety guidelines and preparation steps before installing the amplifier in a vehicle.
Instructions for physically mounting the amplifier and connecting power, ground, and remote wires.
Details for connecting Amplifier A to the mono subwoofer and its specific settings.
Details for connecting Amplifier B to Amplifier A's line out and front speakers, plus its settings.
Diagram for wiring a 2 Ohm subwoofer system using the 67 series subwoofer.
Diagram for wiring a 2 Ohm subwoofer system using the 57 series subwoofer.
Diagram for wiring 2 Ohm subwoofer systems using the 37-47 series subwoofers.
Diagram for wiring 2 Ohm subwoofer systems using the 27 series subwoofers.
Checks for power, fuse, and remote wire connections if the amplifier does not turn on.
Diagnosing issues related to the amplifier entering protection mode or overheating.
Troubleshooting steps for when no audio output is heard from the speakers.
Steps to resolve low audio output levels from the amplifier.
Diagnosing why only one speaker channel is producing sound.
Identifying and resolving unwanted hiss noise in the audio output.
Troubleshooting engine noise (alternator whine) present in the speaker output.
| Channels | 2 |
|---|---|
| Signal-to-Noise Ratio | >90dB |
| Low Pass Filter | 50Hz - 250Hz |
| Input Sensitivity | 0.2V - 6V |
| Bass Boost | 0dB - 12dB |