auna C-500 - User Manual

Questions and Answers

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Holly HallAug 13, 2025
What to do if the power indicator does not light up on my auna C-500?
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  Larry MckinneyAug 13, 2025
  If the power indicator on your auna Car Amplifier doesn't light up, there might be several reasons. First, check if the fuse is loose or blown and either fasten it or replace it with a new one. Ensure the ground lead is securely connected to a metal point in the car. Also, verify that the connection master unit is turned on. If the system employs too many amplifiers, consider using a relay. Finally, check the battery voltage to ensure it's within the range of 10.5-15V.
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Debra HallAug 16, 2025
Why is alternator noise heard in my auna C-500?
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  John JohnsonAug 16, 2025
  If you're hearing alternator noise from your auna Car Amplifier, there are a few potential causes. One common issue is that the power connecting leads are too close to the RCA pin cords; try tidying these leads and keeping them separate. Also, ensure the ground lead is securely connected to a metal point on the car. Finally, check that negative speaker leads are not touching the car chassis and keep them away from it.
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Miranda JordanAug 20, 2025
Why does my auna Car Amplifier heat up abnormally?
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  Jason NielsenAug 21, 2025
  If your auna Car Amplifier is heating up abnormally, it could be due to a couple of reasons. Ensure you are using speakers with suitable impedance, which should be 2~8 ? for stereo or 4~8 ? when used as a bridging amplifier. Also, make sure to place the unit in a well-ventilated location to allow for proper cooling.
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Jeffrey ChangAug 25, 2025
What to do if the speaker output is off and the protection indicator light is red on my auna Car Amplifier?
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  Jose WilliamsAug 25, 2025
  If the speaker output is off and the protection indicator light is red on your auna Car Amplifier, the speaker outputs might be short-circuited. Turn off the power switch, identify, and rectify the cause of the short-circuit, then correct it.
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Michael SheppardAug 28, 2025
Why is the sound muffled on my auna Car Amplifier?
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  Kathleen CampbellAug 28, 2025
  If the sound from your auna Car Amplifier is muffled, it might be because the FILTER switch is set to the "LPF" position.
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Allen WrightSep 1, 2025
How to fix low sound on auna C-500?
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  Jonathan ZavalaSep 1, 2025
  If the sound from your auna Car Amplifier is too low, it might be that the level adjustment control is set to the "MIN" position.
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mike55Sep 4, 2025
Why is there alternator noise coming from my auna Car Amplifier?
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  Lauren RossSep 4, 2025
  Alternator noise from your auna Car Amplifier can occur if the power connecting leads are installed too close together or if the negative speaker leads are touching the car's chassis. Ensure that the power connecting leads are properly spaced and that the negative speaker leads are not in contact with the car's metal components.
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Kristin DrakeSep 8, 2025
How to fix the sound if it is too low on my auna Car Amplifier?
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  Alex BlakeSep 8, 2025
  If the sound is too low on your auna Car Amplifier, the level adjustment control might be set to the "MIN" position. Adjust the level adjustment control to increase the sound level.