PowerBass ASA 400.2x User Manual

ASA SERIES CLASS A/B AMPLIFIER
Owners Manual
Please read through this manual to familiarize yourself with your new amplifi er. Should your PowerBass
AutoSound mobile amplifi er ever require service, you will need to have the original dated receipt.
ASA 400.4x
ASA 600.4x
ASA 700.5x
ASA 1100.5x
ASA 200.2x
ASA 300.2x
ASA 400.2x
ASA 600.2x
ASA 800.2x

PowerBass ASA 400.2x Specifications

General

Channels	2
RMS Power @ 4 Ohms	100W x 2
RMS Power @ 2 Ohms	200W x 2
RMS Power @ 4 Ohms Bridged	400W x 1
Frequency Response	10 Hz - 40 kHz
THD at Rated Power	<0.05%
S/N Ratio	>90 dB
Damping Factor	>200
Crossover Slope	12 dB/octave
Fuse Rating	30A
Bass Boost	0 - 12 dB

Summary

Product Introduction and Safety

Welcome and Amplifier Overview

Welcomes user and describes the PowerBass Autosound amplifier line, highlighting engineering and construction.

Auditory Safety Advisory

Warns about high volume levels potentially causing hearing loss and traffic hazards while driving.

Technical Features and Installation Preparation

Key Technical Features

Lists the main technical specifications of the amplifiers, such as heatsink, power supplies, and crossovers.

Installation Experience and Requirements

Discusses installation complexity, recommending professional installation and specifying 12-volt negative ground systems.

Tools for Installation

Lists the necessary tools for basic amplifier installation, including drill, screwdrivers, and wire strippers.

Installation Safety and Mounting

Installation Precautions

Outlines essential safety steps before starting the installation, such as disconnecting the battery and using protective eyewear.

Amplifier Mounting Guidance

Provides initial guidance and a diagram for mounting the amplifier, emphasizing proper air circulation.

Mounting Location and Critical Warnings

Optimal Mounting Location Advice

Details ideal places to mount the amplifier for performance, considering ventilation and protection from elements.

Critical Mounting Safety Warnings

Lists several critical warnings about amplifier mounting safety, including avoiding passenger injury and improper orientation.

Control Panel Layout and Functions

Control Panel Identification

Details the layout and identifies all controls and connections on the amplifier's top panel.

Control and Terminal Descriptions

Explains the purpose and operation of each control and terminal, such as GAIN, HPF, LPF, and power inputs.

Power and Signal Wiring

Remote and Ground Connections

Describes how to connect the remote turn-on and ground terminals for proper amplifier operation.

Wiring Safety Guidelines

Provides essential guidelines for power and signal wiring safety, emphasizing cable routing and protection.

Power Input Connection Details

Connecting the Main Power Input

Explains how to connect the amplifier's power input directly to the battery using appropriate gauge cable and fuse.

Ground and Remote Connection Details

Grounding Procedure

Details how to properly ground the amplifier for optimal performance by connecting to the vehicle chassis.

Remote Turn-On Connection

Explains how to connect the remote turn-on lead for amplifier activation, typically from the source unit.

RCA Interconnect Wiring

Low Level Input using RCA

Illustrates and explains RCA cable connections for audio input, detailing signal routing.

RCA Cable Routing Recommendations

Advises on routing RCA cables to minimize noise interference from power cables and vehicle systems.

System Setup and Adjustments

Gain and Bass Control

Explains setting input sensitivity (Gain) and bass boost levels for optimal sound.

Crossover Filter Controls

Details HPF and LPF adjustments for tailoring speaker output frequencies.

Advanced Controls and Filters

Low Pass Filter (LPF) Adjustment

Describes how to adjust the low-pass filter for subwoofer operation, setting the crossover frequency.

Remote Gain Control Port

Explains the port for the optional Remote Bass Control, allowing adjustment from the driver's seat.

Model-Specific Controls

Details Input Mode and Sub Sonic Adjustment controls found only on the ASA-1100.5 model.

Speaker Wiring and Configurations

Speaker Load Requirements

Specifies minimum impedance requirements (2 ohms stereo, 4 ohms bridged) for safe amplifier operation.

Speaker Wiring Procedure

Details how to properly connect speaker wires to the amplifier, ensuring correct polarity and solid contact.

Speaker Wiring Caution

Warns about potential damage to speakers and amplifier from improper impedance or wiring.

Speaker Output for 2-Channel Models

2-Channel Speaker Connection

Illustrates speaker connections for 2-channel operation of models like ASA-200.2x, ASA-300.2x.

1-Channel Bridged Mode Connection

Illustrates speaker connections for bridged mono operation of 2-channel models.

Speaker Output for 4-Channel Models

4-Channel Speaker Output

Illustrates speaker connections for 4-channel operation of models like ASA-400.4x, ASA-600.4x.

3-Channel Stereo/Mono Output

Illustrates speaker connections for 3-channel stereo/mono operation of 4-channel models.

2-Channel Bridged Output

Illustrates speaker connections for 2-channel bridged mono operation of 4-channel models.

Speaker Output for 5-Channel Models

5-Channel Speaker Output

Illustrates speaker connections for 5-channel operation of models like ASA-700.5x, ASA-1100.5x.

3-Channel Speaker Output

Illustrates speaker connections for 3-channel operation of 5-channel models.

Recommended Wire Sizes

Power Cable Selection Chart

Provides a chart for selecting appropriate power wire gauge based on fuse size and wire length.

Personal Notes Section

Section for users to record personal purchase and installation details.

Troubleshooting Common Issues

Troubleshooting Guide

Lists common problems like no power, no output, and overheating, with their corresponding solutions.

Amplifier Specifications (Two Channel)

ASA 200.2x, 300.2x, 400.2x Specifications

Details specifications for ASA 200.2x, 300.2x, and 400.2x models, including power output and frequency response.

ASA 600.2x, 800.2x Specifications

Details specifications for ASA 600.2x and 800.2x models, including power output and dimensions.

Amplifier Specifications (Four and Five Channel)

ASA 400.4x, 600.4x Specifications

Details specifications for ASA 400.4x and 600.4x models, including power output and channel configurations.

ASA 700.5x, 1100.5x Specifications

Details specifications for ASA 700.5x and 1100.5x models, including power output and channel configurations.

Limited Warranty Policy

Warranty Terms and Conditions

Outlines the terms, coverage period (one year), and conditions for the PowerBass Autosound amplifier warranty.

Warranty Claim Procedure

Provides instructions on how to obtain warranty service, including obtaining an RA number and return shipping.