Table of Contents

Parts List

3

Features and Specifications

3

Control Functions

4

Control functions (cont.)

5

Mechanical Functions

6

Recessed RCA inputs

6

Control cover removal & reinstallation

6

Multi-position mounting feet

6

Vents (side & rear)

6

Mechanical functions (cont.)

7

Amplifier linking

7

Wire connection

7

Fuses

7

General Installation Precautions

8

Before you install

8

Battery & charging system

8

Wire routing

8

Installation—Amplifier Mounting

9

Choose the mounting location

9

Height, width, and depth diagrams

9

Installation—amplifier mounting (cont.)

10

Passenger & trunk compartment mounting

10

Installation—Fuses & Wiring

10

Amplifier fuses

10

Wire gauge

10

Installation—fuses & wiring (cont.)

11

Power/B+ & power/ground (GND) connection

11

Remote input connection

11

Speaker output connection

11

Installation—fuses & wiring (cont.)

12

Mono subwoofer operation

12

Setup Tuning—Full-range Speakers

12

Music

12

Sensitivity controls

12

Highpass & lowpass crossover controls

12

Setup tuning—full-range speakers (cont.)

13

Head unit

13

Volume

13

Input sensitivity control

13

Crossover controls

13

Setup tuning—full-range speakers (cont.)

14

“Q” control

14

Setup Tuning—Rear Fill Speakers

14

Setup Tuning—Subwoofers

14

Input switch

14

Setup tuning—subwoofers (cont.)

15

Head unit

15

Volume

15

Input sensitivity control

15

Lowpass crossover control

15

Phase

15

System Examples

16,17

Amplifier Troubleshooting Guide

18

Contact and Warranty Information

19

2

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Boston Acoustics GT-20 GT-222 manual Table of Contents