Boss BX45 User Manual





             
           
             
         






 
 

 
 





 
  
 
    
  
  
  
 
 
 





  

 

 
 
  
  
    
 
  
 
   
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Boss BX45 Specifications

General

Brand	Boss
Model	BX45
Category	Car Stereo System
Language	English

Summary

Introduction to BOSS Audio Systems

Product Features Overview

Front and Rear Channel Features

Details on High Pass Frequency Selector, Crossover Slope, Signal Gain Control, and Parallel Input Switch.

Subwoofer Channel Features

Details on Subwoofer Input Switch, Bass Boost, Phase Shift, Stereo/Mono, and Output Level Controls.

Product Specifications

Installation Guide

Controls and Operation - Part 1

Ground Terminal (GND)

Connection point for the ground wire.

Remote Turn-On Terminal (REM)

Connects to the head unit's remote turn-on lead.

Power Terminal (+12V)

Connects directly to the car battery for power supply.

Power Indicator

LED that indicates if the unit is powered on.

Front Channel Inputs

RCA inputs for the front audio channels.

Parallel Input Switch

Enables input signal distribution to multiple channels.

Rear Channel Inputs

RCA inputs for the rear audio channels.

Subwoofer Channel Inputs

RCA inputs specifically for the subwoofer channel.

Subwoofer Input Switch

Activates subwoofer output when no dedicated signal source exists.

Controls and Operation - Part 2

Front Channel High-Pass Frequency Selector

Selects the cutoff frequency for the front channels (40Hz-400Hz).

Frequency Multiplier

Adjusts the range of the High-Pass Frequency Selector.

Front and Rear Channel Slope Selectors

Sets the crossover slope to 6dB or 12dB per octave.

Subwoofer Low Pass Frequency Selector

Sets the cutoff frequency for the subwoofer channel (40Hz-250Hz).

Bass Boost Level Control

Adjusts the level of the bass boost effect.

Bass Boost Frequency Selector

Selects the center frequency for the bass boost.

Phase Shift Selector

Selects the output phase for the subwoofer channel.

Stereo / Mono Switch

Chooses between stereo or mono output for the subwoofer.

Front and Rear Channel High Pass Level Controls

Adjusts the output level for the front and rear high-pass channels.

Front Channel Outputs

RCA outputs for the front channels.

Rear Channel Outputs

RCA outputs for the rear channels.

Subwoofer Low Pass Level Control

Adjusts the output level for the subwoofer channel.

Subwoofer Channel Outputs

RCA outputs for the subwoofer channel.

Subwoofer Remote Level Control Jack

Connects to a remote control for adjusting subwoofer output level.

Fuse

Location for fuse replacement, use only a 3 AMP fuse.

Signal Connection Systems

2 Channel Stereo System Connection

Diagram showing connection for a 2-channel stereo system.

4 Channel Stereo Front/Rear System Connection

Diagram showing connection for a 4-channel stereo system.

Troubleshooting Guide

Symptom: Signal Processor Does Not Turn On

Lists possible causes and remedies for the unit not powering on.

Symptom: Level of Sound is Low

Provides checks for low audio output levels.

Symptom: Background Noise is Too High

Offers checks for excessive background noise in the audio signal.

Safety Precautions

Safe Driving and Hearing Protection

Advises on safe volume levels for driving and hearing preservation.

Environmental Protection

Recommends keeping electronics away from moisture, dust, heat, and vibrations.