Ground Zero IRIDIUM SERIES User Manual

IRIDIUM-SERIES
AMPLIFIER
OWNER’S MANUAL
GZIA 1.1450DX-II
Features
• High efficient class D amplifier
• 1 Ohm stable mono
• High-level input with Auto-On
• Up to 12 dB adjustable bass boost (@45 Hz)
• Phase shift switch (0°/180°)
• Adjustable input sensitivity
• Bass remote control
• Thermal / short circuit / overload protection

Ground Zero IRIDIUM SERIES Specifications

General

Channels	1
Subsonic Filter	10 Hz - 50 Hz
Input Sensitivity	0.2V - 6V
Bass Boost	0dB - 12dB @ 45Hz
Crossover	Variable

Summary

Features

Recommended wiring

Mounting instructions

Controls & Features

SPEAKER terminal

Connects speaker cables to the amplifier's output terminals.

POWER supply terminal

Connections for +12V, Ground, and Remote wires for power.

Status LEDs

LEDs indicating power status (POW) and protection mode (PROT).

INPUT (RCA input)

RCA jacks for connecting audio sources via line-level signals.

GAIN control

Adjusts the input sensitivity of the amplifier for optimal signal matching.

BASS BOOST control

Controls the bass boost level, adjustable up to +12 dB at 45 Hz.

LOW-PASS (LPF) control

Sets the crossover frequency for filtering high frequencies (30-250 Hz).

HIGH LEVEL input

Accepts speaker-level signals from head units without RCA outputs.

REMOTE socket

Terminal for connecting the bass remote control.

PHASE CONTROL switch

Selects subwoofer phase between 0° and 180° for optimal sound staging.

RCA input wiring

Highlevel input wiring

Specifications

Trouble shooting guide

Terms of warranty