Boston Acoustics HSi Series GT-475 User Manual
Page 2

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Table of Contents
Parts list
3
Specifications
Connections
4
Top panel removal / installation
Controls
5
Status LEDs
Installation - General
6
Before you install
Battery and charging system
Wire routing
Mounting location
Passenger & trunk compartment mounting
Multi-Position Mounting Feet
Venting
Installation - Wiring
7
Amplifier fuses
Wire gauge
Power 12v and ground (GND) connection
Remote input connection
Speaker output connection
Mono subwoofer operation
Tuning The Amplifier - Front and Rear Speakers
8
Music
Front signal routing switch
Input sensitivity control
Highpass and lowpass crossover controls
Head unit
Volume
4-channel highpass operation switch configuration diagram
Input sensitivity control
Crossover controls
Q-Tune
™
control
4-channel operation wiring configuration diagram
Tuning The Amplifier - Front Speakers and Subwoofers
10
Front signal routing switch
Head unit
Volume
Input sensitivity control
Highpass crossover control
Q-Tune
™
control
Rear input switch
Lowpass crossover control
GT-RSL
Bridged operation wiring configuration diagram
Amplifier Troubleshooting Guide
12
Service Information
Introduction
Thank you for choosing Boston Acoustics
®
and congratulations on your purchase of the
Boston GT
®
Amplifier. If you own other Boston products, the outstanding audio
performance and ease-of-use of the GT Amplifier should come as no surprise. If you’re
new to Boston, welcome – you’ve made a great choice.