ARC Audio MOTO 720 - User Manual

Introduction 1
Finding a Suitable Location 1
Supplying Power 1
The Ground 1
Running the Cables 2
Class D amplifiers 2
Diagnostic Fault Codes 2
Controls and Features
Inputs 3
Gains 3
Crossovers 3
Bass Boost 3
Remote Status Dispaly 4
Ohm Load Matching 4
Speaker Outputs 4
Installation Instructions 5
System Diagrams
2 Speaker System 6
4 Speaker System 7
8 Speaker System 8
2/4 Speakers W/Subwoofer 9
Auto Detect 10
Speaker Level Input 10
Specifications 11
Dimensions 11
Warranty 11
4 Channel Motocycle and
Off-Road Amplifier
MOTO 600.4
OWNER’S MANUAL
www.arcaudio.com
®
TOP
MOTO 720
Introduction 1
Finding a Suitable Location 1
Supplying Power 1
The Ground 1
Running the Cables 2
Class D ampliers 2
Diagnostic Fault Codes 2
Controls and Features
Inputs 3
Gains 3
Crossovers 3
Ohm Load Matching 4
Speaker Outputs 4
Installation Instructions 5
System Diagrams
2 Speaker System 6
4 Speaker System 7
8 Speaker System 8
2/4 Speakers W/Subwoofer 9
Auto Detect 10
Speaker Level Input 10
Specications 11
Dimensions 11
Warranty 11

Summary

Owners Manual Introduction

Safety Warnings

Important warnings regarding hearing damage from high volumes and local laws.

Installation Guidelines

General advice on amplifier installation, location, and power requirements.

Grounding Requirements

Critical information on establishing a proper ground connection for optimal performance.

Wiring and Interference

Cable Routing

Best practices for running power and signal cables to prevent interference and fire risk.

Class D Amplifier Noise Reduction

Tips to minimize potential FM radio interference from Class D amplifiers.

Diagnostic Fault Codes

Input and Gain Settings

Input Stage

Compatibility of the amplifier's input stage with various audio sources.

Gain Adjustment

How to set the input sensitivity (gain) for optimal sound and noise levels.

Crossover Controls

Ohm Load Matching

2 Ohm Stereo; 4 Ohm Bridged

Configuration for 2-4 Ohm loads in stereo or 4 Ohm bridged modes.

4 Ohm Stereo

Configuration for loads exceeding 4 Ohms in stereo mode.

Speaker Outputs

Detailed Installation Guide

Pre-Installation & Wiring

Disconnect battery, route wires, mount amp, connect power/ground.

Signal, Speaker & Turn-on Connections

Connecting RCA, speaker wires, and remote turn-on for system operation.

Initial Power-Up & Tuning

First power-on, checking protection, and adjusting gain/crossovers.

Bridged 2 Channel Configuration

Crossover and Gain Setup

Setting crossover frequency and gain for bridged 2-channel operation.

Ohm Load Switch Settings

Correctly setting the load switches based on speaker impedance for bridged mode.

4-Speaker System Configuration

Crossover and Gain Settings

Setting crossover frequency and gain for 4-speaker stereo systems.

Ohm Load Switch Configuration

Setting load switches for 2 or 4 Ohm speakers in 4-channel stereo mode.

8-Speaker System Configuration

Crossover and Gain Settings

Setting crossover frequency and gain for 8-speaker stereo systems.

Ohm Load Switch Settings

Setting load switches for 2 Ohm speakers in 8-channel stereo mode.

Stereo High Pass with Subwoofer

Crossover and Gain Setup

Setting high-pass crossover for main speakers and low-pass for subwoofer.

Ohm Load Switch Configuration

Setting load switches for the specific configuration with a subwoofer.

Auto Detect Speaker Level Input

Auto Sense Functionality

Explanation of the auto-sense turn-on feature and its limitations.

Input Signal Types

Details on preamp level input and remote turn-on wire usage.

Specifications and Warranty

Amplifier Specifications

Technical details including power output, voltage range, THD, and frequency response.

Dimensions

Physical measurements of the amplifier unit.

ARC Audio Warranty Policy

Information on the one-year limited warranty, coverage, and return procedures.

ARC Audio MOTO 720 Specifications

General

Power Output	720W
Channels	4
Frequency Response	20Hz - 20kHz
THD	<0.05%
Input Sensitivity	0.2V - 3.5V
Power at 2 Ohms	180W x 4
Bridged Power at 4 Ohms	360W x 2
Crossover	High-pass/Low-pass, 50-500Hz