2
QA4150 / QA4300
Introduction
Welcome.
Congratulation and thank you for the purchasing QA Series, a state-of-the-art heavy
duty professional amplifier.
These amplifier are designed to provide a big impact in sound reproduction and to
produce the best and highest quality audio at an affordable price. We wish you great
enjoyment and satisfaction when using your amplifier, whether you are an installation,
or reinforcement engineer.
Unpacking and Installation
Although it is neither complicated to install nor difficult to operate your amplifier, a few
minutes of your time is required to read this manual for a properly wired installation
and becoming familiar with its features and how to use them. Please take a great care
in unpacking your set and do not discard the carton and other packing materials. They
may be needed when moving your set and are required if it ever becomes necessary to
return your set for service. Never place the unit near radiator, in front of heating vents,
to direct sun light, in excessive humid or dusty location to avoid damages and to guar-
anty a long reliable use. Connect your unit with the system components according to
the description on the following pages.
POWER AMPLIFIER
QUAD-CHANNEL
POWER
ON
OFF
QA4300
HPA
CHANNEL 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
17
19
22
29
54
PROTECT
CLIP
SIGNAL
CHANNEL 2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
17
19
22
29
54
PROTECT
CLIP
SIGNAL
CHANNEL 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
17
19
22
29
54
PROTECT
CLIP
SIGNAL
CHANNEL 4
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
17
19
22
29
54
PROTECT
CLIP
SIGNAL
QA4150 / QA4300
QUAD-CHANNEL POWER AMPLIFIER
Introduction
