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2 Channel Installation
GND
+12V
REM
FE-504
FM-504
FUSE
FUSE
FUSE
FUSE
FUSE
4 CHANNEL • FULLY REGULTED 2 OHM STABLE • Bridgeable MOSFET Amplifier
FM-504
PW R
LP
HP
BASS BOOST
FRONT X-OVER
SELECTOR
PR T
OFF
LP
HP
40 HZ 160 HZ
40 HZ 600 HZ
0 DB +18 DB
LP
HP
BASS BOOST
REAR X-OVER
SELECTOR
OFF
LP
HP
40 HZ 160 HZ
40 HZ 600 HZ
0 DB +18 DB
Power Cable Calclator
Total Amperage
0-4ft
4-7ft
7-10ft
0-20
14
12
12
20-35
12
10
8
35-50
10
8
8
50-65
8
8
6
65-85
6
6
4
85-105
6
6
4
105-125
4
4
4
125-150
2
2
2
The above chart shows cable gauges to be used, if no less than a 0.5 volt drop is acceptable. If aluminium wire or tinned wire is used, the gauges should be of an even larger
size to compensate. Cable gauge size calculation takes into account terminal connection resistance. 1 Metre = 3.28 Feet
BRIDGE MODE
MONO
L
L
R
R
FRONT
FRONT
REAR
REAR
INPUT
INPUT
FRONT
REAR
OUTPUT
SUBSONIC
LEVEL
20 HZ 55 HZ
8 V
0.3 V
L
L
L
SUBSONIC
LEVEL
R
R
R
20 HZ 55 HZ
8 V
0.3 V
PLEASE NOTE: The crossover selector positions
10-13ft
13-16ft
16-19ft
19-22ft
22-28ft
10
10
8
8
8
8
6
6
6
4
6
4
4
4
4
4
4
4
4
2
4
2
2
2
0
2
2
2
2
0
2
0
0
0
0
0
0
0
0
0
3 Channel Installation
GND
+12V
REM
FE-504
FM-504
FUSE
FUSE
FUSE
FUSE
FUSE
4 CHANNEL • FULLY REGULTED 2 OHM STABLE • Bridgeable MOSFET Amplifier
FM-504
PW R
FRONT X-OVER
LP
HP
BASS BOOST
SELECTOR
PR T
40 HZ 160 HZ
40 HZ 600 HZ
0 DB +18 DB
OFF
LP
HP
REAR X-OVER
LP
HP
BASS BOOST
SELECTOR
40 HZ 160 HZ
40 HZ 600 HZ
0 DB +18 DB
OFF
LP
HP
Trouble Shooting
Problem
Cause
Replace with correct fuse. Typically twice the rating of the fuse that
Fuse at battery blown or not installed
is on the amplifier
Power LED not 'ON
Check that the ground wire, power wire and the remote wires are
Improper connections
connected to the correct terminal
Fuse or amplifier blown
Replace with the correct AMP rated fuse
Amplifier too hot
Move the amplifier into a more ventilated area
Check that there are no speaker wires shorted to any other wire and
Status LED 'ON'
Speaker wires shorted
also check if any wire is shorted to the vehicle chassis
Disconnect all wires except ground, power and remote. Then turn the
Internal malfunction
amplifier 'ON', if the protection light is still 'ON' then return for service
L
R
BRIDGE MODE
MONO
L
R
L
R
FRONT
FRONT
REAR
REAR
FR
RR
FL
RL
FL FR
RL RR
INPUT
INPUT
FRONT
REAR
OUTPUT
SUBSONIC
LEVEL
20 HZ 55 HZ
8 V
0.3 V
L
L
L
SUBSONIC
LEVEL
R
R
R
20 HZ 55 HZ
8 V
0.3 V
PLEASE NOTE: The crossover selector positions
Solution
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