Boss Audio Systems AVA-450 User Manual

AUDIO SYSTEMS
OWNER'S MANUAL
TRI-MODE
CAPABLE
SIMUTANEOUS
STEREO &
BRIDGED
OPERATIONS
|CES98|
AVA-250 AVA-450
AVA-550 AVA-650
AVA-700 AVA-750
AVA-800

Boss Audio Systems AVA-450 Specifications

General

Channels	4
RMS Power @ 4 Ohms	50W x 4
Minimum Speaker Impedance	2 Ohms
Input Sensitivity	200 mV - 6 V
Crossover Type	Variable
Low-Pass Crossover Frequency	50 Hz - 250 Hz
High-Pass Crossover Frequency	50 Hz - 250 Hz
RMS Power @ 2 Ohms	75W x 4
Bridged RMS Power @ 4 Ohms	150W x 2
Bass Boost	0-12dB
Fuse Rating	25A
Dimensions	2.25" x 10.31" x 8.13"
THD @ RMS Output	0.01%

Summary

Built-In Electronic Crossover

Protection Circuitry

Amplifiers & 2-Ohm Operation

Electrical Wiring

Power Fuse

Mounting

2 Speakers Wiring

Bridged Speakers Wiring

Tri Way Speakers Wiring (AVA-250/450/550/700/750)

4 Speakers Wiring 4 Channel (AVA-650/800)

Tri Way Speakers Wiring (AVA-650/800)

Power Wiring

Warnings

Trouble Shooting

No Output

Troubleshooting guide for no audio output. Check connections, fuses, and signal source.

One Channel Not Working

Diagnosing why only one audio channel is functional. Check balance, input plugs, and signal source.

Weak Audio Output

Addressing low audio volume. Adjust input sensitivity and ensure proper gain control settings.

Audio Noise Issues

Resolving engine whine or popping noises. Check grounding, ignition system, and wire routing.