Table of Contents
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Table of Contents
Related Manuals for Boston gta-704
Summarization of Contents
Technical Specifications
Rated Power
Details output power at different impedances for each amplifier model.
Frequency Response
Specifies the amplifier's frequency range coverage.
Signal-to-Noise Ratio
Indicates the amplifier's performance regarding noise levels.
Crossover Specifications
Covers highpass and lowpass crossover frequency ranges and slopes.
Dimensions and Fuses
Lists amplifier physical dimensions and fuse ratings.
Parts List
Enumerates included accessories for each amplifier model.
Connections and Controls
Speaker Level Input
Explains how to connect speaker-level inputs for easier installation into factory systems.
Status LED
Describes the meaning of the blue and red status LEDs on the amplifier.
Speaker Level Input Cable
Details the wiring code for connecting speaker-level input cables.
Installation - General
Before You Install
Advises disconnecting the battery before installation to prevent damage.
Battery and Charging System
Emphasizes checking the vehicle's electrical system capacity for amplifier demand.
Wire Routing
Guides on proper routing of power wires to avoid noise interference.
Choose the Mounting Location
Provides guidance on selecting an appropriate and ventilated mounting location.
Passenger and Trunk Compartment Mounting
Details mounting considerations for under-seat and trunk installations.
Cooling
Stresses the importance of adequate space around the amplifier for cooling.
Installation - Wiring
Amplifier Fuses
Recommends installing inline fuses near the battery for amplifier protection.
Wire Gauge
Specifies the recommended wire gauge for power and ground connections.
Power 12v and Ground (GND) Connection
Details the procedure for connecting the 12v power and ground wires.
Remote Input Connection
Explains how to connect the remote turn-on trigger lead from the head unit.
Speaker Output Connection
Outlines the process for connecting speaker wires to the amplifier outputs.
Mono Subwoofer Operation
Notes on configuring the amplifier for mono operation and impedance limits.
Tuning The Amplifier - Front or Rear Speakers
Music Selection for Tuning
Recommends using clear and dynamic music tracks for system setup.
Input Sensitivity (Gain) Adjustment
Describes the initial setting and adjustment of the input sensitivity (gain) control.
Crossover Control Setup
Details setting the crossover switch to "OFF" or "HP" for initial setup.
Head Unit Settings
Advises setting head unit controls to flat and verifying the blue LED.
Volume Adjustment
Guides on setting the head unit volume to achieve maximum undistorted signal.
Highpass Crossover Adjustment
Explains engaging the highpass crossover and adjusting the crossover point.
Q-Tune Control
Describes the Q-Tune feature for boosting bass at 45Hz.
Tuning The Amplifier - Subwoofer(s)
Head Unit Settings for Subwoofer
Advises setting head unit controls to flat and verifying the blue LED for subwoofer tuning.
Volume Adjustment for Subwoofer
Guides on setting head unit volume for maximum undistorted subwoofer signal.
Input Sensitivity (Gain) for Subwoofer
Adjusts gain for maximum undistorted playing level from the subwoofer.
Lowpass Crossover Control
Details setting the lowpass crossover for subwoofer output.
Q-Tune Control for Subwoofer
Explains using Q-Tune for increased bass boost on subwoofers.
GTA-RSL Control
Mentions the optional remote level control for subwoofer output adjustment.
Tuning The Amplifier - GTA-704
Head Unit Setup
Sets up head unit controls for front speakers and subwoofer tuning.
Volume Adjustment
Adjusts head unit volume for maximum undistorted signal to speakers/subwoofer.
Input Sensitivity (Gain) Adjustment
Adjusts gain for maximum undistorted playing level from speakers/subwoofer.
Front Crossover Control
Details engaging the highpass crossover for front speakers.
Front Crossover Adjustment Continued
Continues adjusting input sensitivity and highpass crossover for front speakers.
Rear Crossover Control
Details setting the lowpass crossover for rear subwoofer output.
Q-Tune Control
Explains using Q-Tune for bass boost on subwoofers.
Optional GTA-RSL Control
Mentions the optional remote level control for subwoofer output adjustment.
Amplifier Troubleshooting Guide
Status LEDs Not Lit
Lists checks for when the amplifier's status LEDs are not illuminated.
Status LEDs Lit, No Output
Guides on diagnosing issues when LEDs are lit but no sound is produced.
Engine Noise from Speakers
Provides steps to identify and resolve engine noise in the audio output.
Amplifier Output Distorted
Explains checks for distorted audio output from the amplifier.
Amplifier Shutting Down (Thermal Protection)
Addresses conditions where the amplifier shuts down due to thermal protection.
Amplifier Not Turning "ON" (Red LED)
Guides troubleshooting when the amplifier won't turn on and shows a red LED.
Service Information
Advises contacting the dealer or Boston Acoustics for service issues.
Limited Warranty Information
Product Information Recording
Section for recording model name, serial number, and date of purchase.
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