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AXTON A490 - User Manual

AXTON A490
58 pages
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POWER AMPLIFIERS
Einbau- und Bedienungsanleitung
Installation & Operating Instructions
A1390
A2090
A2190
A490
A480-250
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



Table of Contents

Questions and Answers

  • R
    Ryan WrightAug 8, 2025
    What to do if there is no music signal on loudspeakers from my AXTON A490 Amplifier?
    • T
      Timothy AndersonAug 9, 2025
      If there is no music signal from your AXTON Amplifier loudspeakers, several issues could be the cause. First, check the +12V, GND/0V, and "Remote" line connections. A blown fuse on the amplifier or the main fuse on the car battery side could also be the problem, so replace them if necessary. Additionally, a short-circuit on any of the speaker outputs or DC voltage at the speaker outputs might be the cause, so address these issues. Overload or overheating can also cause this, so reduce the load or allow the amplifier to cool down.
  • S
    Sandra PriceAug 17, 2025
    Why is my AXTON Amplifier making a high-pitched buzzing sound?
    • M
      Margaret PowersAug 17, 2025
      A high-pitched buzzing sound in your AXTON Amplifier could be due to a bad ground (GND) contact of the amplifier or head unit. Check the ground connections to ensure they are properly connected. It could also be caused by insufficiently shielded RCA interconnects or bad RCA cable routing, leading to inductive interference. In this case, improving the shielding and routing of your RCA cables might resolve the issue.
  • C
    Chelsea ArmstrongAug 25, 2025
    How to fix humming sound from AXTON A490 Amplifier?
    • J
      Jonathan JonesAug 25, 2025
      Humming from your AXTON Amplifier is often a sign of ground loop(s), which means there are multiple ground connections in your car audio installation. To resolve this, check the ground connections of all audio components to ensure there is only one ground connection point.
  • L
    lindseystanleyAug 30, 2025
    What to do if my AXTON Amplifier is making a crackling sound?
    • M
      mccannamandaAug 30, 2025
      A crackling sound in your AXTON Amplifier could be due to insufficient interference elimination of the ignition circuitry with engine speed. Improving the interference elimination might resolve this issue.

Summary

AXTON A1390 Connections and Controls

AXTON A2090;A2190 Connections and Controls

Speaker Output and Indicator

Information on speaker terminals and the power/protect LED.

AXTON A490 Connections and Controls

AXTON A480-250 Connections and Controls

Power and Remote Connections

Details for connecting power supply and remote turn-on signal.

Speaker Outputs and Indicator

Information on speaker terminals and the power/protect LED.

Wiring Tips for Installation

General Wiring Best Practices

Power, Ground, and Signal Cable Guidelines

Connecting the AXTON Amplifier

Recommended Power Cable and Fuse Specifications

Controls and Adjustments Guide

Sensitivity and Gain Setup

Matching Input Sensitivity and Gain Levels

Step-by-step guide to match amplifier input to head unit for optimal sound.

Troubleshooting Amplifier Issues

Common Problems and Solutions

Lists typical issues, their causes, and recommended fixes.

AXTON A490 Specifications

General IconGeneral
Channels4
RMS power @ 4 Ohms4 x 90W
Frequency response10 Hz - 30 kHz
THD<0.05%
Input sensitivity0.2V - 6V
RMS power @ 2 Ohms4 x 120 W
RMS power bridged @ 4 Ohms2 x 240 W
Power Output4 x 90W @ 4 Ohms, 4 x 140W @ 2 Ohms, 2 x 280W bridged @ 4 Ohms

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