Need help?Do you have a question about the Legacy LA490 and is the answer not in the manual?
14K Gold plated terminals for high conductivity and minimum impedance loss.
Protects the amplifier and automobile electrical system from short circuit conditions.
Terminals for connecting the power supply to the amplifier.
Connect speaker output from the head unit if no RCA output jacks are available.
Gold-plated RCA input jacks for connecting RCA outputs from your head unit.
Matches the head unit output to the amplifier; reduce if distortion is present.
Illuminated when the REMOTE ON system is turned on.
14K Gold plated terminals for high conductivity and minimum impedance loss.
Protects the amplifier and automobile electrical system from short circuit conditions.
Terminals for connecting the power supply to the amplifier.
Connect speaker output from the head unit if no RCA output jacks are available.
Gold-plated RCA input jacks for connecting RCA outputs from your head unit.
Matches the head unit output to the amplifier; reduce if distortion is present.
Illuminated when the REMOTE ON system is turned on.
14K Gold plated terminals for high conductivity and minimum impedance loss.
Protects the amplifier and automobile electrical system from short circuit conditions.
Terminals for connecting the power supply to the amplifier.
Matches the head unit output to the amplifier; reduce if distortion is present.
Sets the amplifier mode for full range, HPF, or LPF operation.
Increases the bass signal level sent to the speakers.
Adjusts crossover frequency (35 Hz to 350 Hz) for subwoofers.
Adjusts crossover frequency (80 Hz to 2.5 kHz) for tweeters.
Connect speaker output from the head unit if no RCA output jacks are available.
Gold-plated RCA input jacks for connecting RCA outputs from your head unit.
Illuminated when the REMOTE ON system is turned on.
Indicates amplifier protection mode due to overload, short circuit, or thermal issues.
Connection point for the remote bass boost control wire.
14K Gold plated terminals for high conductivity and minimum impedance loss.
Protects the amplifier and automobile electrical system from short circuit conditions.
Terminals for connecting the power supply to the amplifier.
Matches the head unit output to the amplifier; reduce if distortion is present.
Sets the amplifier mode for full range, HPF, or LPF operation.
Increases the bass signal level sent to the speakers.
Adjusts crossover frequency (35 Hz to 350 Hz) for subwoofers.
Adjusts crossover frequency (80 Hz to 2.5 kHz) for tweeters.
Connect speaker output from the head unit if no RCA output jacks are available.
Gold-plated RCA input jacks for connecting RCA outputs from your head unit.
Illuminated when the REMOTE ON system is turned on.
Indicates amplifier protection mode due to overload, short circuit, or thermal issues.
Connection point for the remote bass boost control wire.
Details on connecting +12V, Ground, and REMOTE terminals to the vehicle's power system.
Safety guidelines for installing the amplifier, avoiding damage and ensuring proper airflow.
Steps for adjusting amplifier level controls to match head unit output and minimize noise.
Connecting a 2-channel head unit using RCA audio outputs.
Connecting a head unit using speaker outputs via wiring harness.
Connecting a 2-channel head unit to a 4-channel amplifier using Y-adapters.
Connecting a 4-channel head unit to a 4-channel amplifier using RCA outputs.
Connecting a 4-channel head unit using speaker outputs via wiring harness.
Connecting a head unit to a 2-channel amplifier in bridged mode.
Connecting a 2-channel head unit to a 4-channel amplifier in bridged mode.
Connecting speakers to the amplifier in basic stereo mode.
Connecting speakers to the amplifier for 4-channel output.
Connecting a single speaker to a 2-channel amplifier in bridged mono mode.
Connecting speakers to a 4-channel amplifier in 2-channel bridged mono mode.
Checks for power, ground, fuses, and protection LED status.
Diagnosing and eliminating noise from inputs, connections, and signal levels.
Troubleshooting speaker shorts, volume levels, and amplifier faults.
Checking speaker impedance, shorts, and airflow for overheating issues.
Adjusting level controls, crossover frequencies, and checking for speaker shorts.
Identifying and resolving squeal noise, often caused by poorly-grounded RCA cords.
Details on warranty coverage, exclusions, and service return instructions.
Instructions for mailing the Product Registration Card for safety notifications.
Contact information for technical assistance regarding product questions.
General| Brand | Legacy |
|---|---|
| Model | LA490 |
| Category | Car Amplifier |
| Language | English |
To Next Page
