AXTON A2190 - User Manual

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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

A
Angel OrtizAug 9, 2025
What to do if there is no music signal on loudspeakers from my AXTON Amplifier?
- C
  Christopher HarveyAug 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.
D
Danielle MatthewsAug 16, 2025
Why is my AXTON Amplifier making a high-pitched buzzing sound?
- C
  Charles JohnsonAug 16, 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.
R
Roberto JohnsonAug 25, 2025
How to fix humming sound from AXTON Amplifier?
- M
  Marissa BrownAug 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
Lori HarrisAug 30, 2025
What to do if my AXTON A2190 Amplifier is making a crackling sound?
- C
  Connie RuizAug 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

Introduction to AXTON Power Amplifiers

General Features of AXTON Amplifiers

Overview of the amplifier's key technical features and capabilities.

AXTON A1390 Connections and Controls

AXTON A2090;A2190 Connections and Controls

AXTON A490 Connections and Controls

AXTON A480-250 Connections and Controls

Amplifier Location and Mounting

Wiring Tips for Installation

Connecting the Amplifier

Controls and Adjustments

Sequence of Adjustments

Recommended order for setting amplifier controls and system levels.

Active Highpass and Lowpass Filtering

Explanation of highpass and lowpass amplification modes for speakers.

Crossover Frequency Settings

Guidance on setting crossover frequencies for speakers and subwoofers.

Sensitivity Adjustments and Gain Matching

How to set input sensitivity (GAIN) for optimal sound and noise ratio.

Troubleshooting Common Issues

AXTON Amplifier Specifications

Warranty Certificate

Limited Warranty Details

Details the warranty period and conditions for AXTON products.

Warranty Limitations and Exclusions

Lists conditions and damages not covered by the product warranty.

AXTON A2190 Specifications

General

Channels	2
Signal-to-noise ratio	> 90 dB
Input sensitivity	0.2 V - 6 V
RMS power at 4 ohms	90 W
RMS power bridged at 4 ohms	1 x 240 W
Lowpass filter	50Hz - 500Hz
Bass boost	0 dB - 12 dB

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