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OWNER’
500W F
What’
(1) Amplifier
(4) Stainless steel mounting screw
(1) User manual
Product Description
This is a four-channel, full-range audio amplifier utilizing Class D t
all channels.
Installation Applications
This amplifier is designed for oper
systems. U
other than 12V may result in damage to the pr
This product is not certified or approved for use in air
Safety Considera
•
that does not interfere with other factory installed elec
environment is not a
may be used.
•
submerged under water or subjected to high-pr
Do not install where it will be directly exposed to the elements.
•
extreme heat.
•
event of a collision/sudden jolt or as a r
normal operation.
•
panel/hull, fuel tank, gas/brake line, wiring harness, or other vital syst
•
extremely dangerous practice, which can r
•
carefully routing them, tying them down and using gr
where appropriate
•
from moving parts and sharp edges.
Installation Proc
1. Disconnect the NEGA-
nected cable to prevent acThis is
an essential safety precaution during installation!
2. Connect the RED power lead to the positiv4 A
the minimum power wir
3. An appropriate fuse (sold separa
Master MAXI™ F
the amplifier(s) is vital for vehicle/v
within 18 inches (45 cm) of the positive battery post connection. If this is
the only device connected to this main wire
the fuse until the power wir
4. Connect the BLACK negative g
point near the amplifier
no metal chassis ground is av-
nection to the NEGA4 A
size for this amplifier-
ers) should be made at the same location.
5. Connect the BL
remote turn-on output. If your source unit does not hav
remote turn-on output, the amplifier
+12V via a switch that derives pow
6. Signal Input (Low-L
source unit’
7. Signal Input (Hi-Level): If your source unit does not off
outputs, you can splice the speaker output wir
pair of RCA plugs for each input pair or use the JL Audio ECS Speaker
to RCA adaptor (XD-
making
signal (poor performance).
8. Connect the speaker output leads to the corresponding speaker wires
9. Make necessary adjustments to the filter controls and input sensitivity
can result in fire and extensiv
Control Setting Mode / Function
Channel Mode
2CH
#1) 4 Stereo Outputs (non-fading)
Use F
Inputs Only
#2) 2 Bridged Mono Outputs
3CH
#1) 2 Stereo F
Use F
Inputs Only
#2) 2 Stereo F
4CH
#1) 4 Stereo Outputs (fading) Use F
#2) 2 Bridged Stereo Outputs
Left to Both
Fr
Right to Both
Rear Inputs
Fr
or
Rear
Input
V
Low RCA/Preamp L
High RCA/Preamp or Speaker Lange (750 mV - 15 V)
Filt
Mode
Off F
HP
(High-Pass) Configur
the Selected Filter F
LP
(Low-P
the Selected Filter F
Filt
Fre
V
Adjusts the filter cutoff fr
variable from 35-300 Hz, 12 dB/Octave
Input
Sens.
V
Adjusts the input stage of each pair of amplifier channels to
match the source unit’
output (refer to A
Contr
The amplifier’
gasketed, prot
panel to access the con
and mount the amplifier
Specications MX500/4
Rated RMS Pow
<1% THD+N
70W x 4 @ 4 Ω 90W x 4 @ 3 Ω
125W x 4 @ 2 Ω 250W x 2 @ 4 Ω Bridged
Rated RMS Pow
<1% THD+N
55W x 4 @ 4 Ω 70W x 4 @ 3 Ω
90W x 4 @ 2 Ω 180W x 2 @ 4 Ω Bridged
Fr 20 Hz - 20 kHz (+0, -1dB), 6.3 H
S/N Ratio, A-w
20 kHz noise bandwidth
88 dB (Referred to rat
Damping F >92 / 50 Hz @ 4 Ω, >43 / 50 H
Input Voltage Range 250 mV - 4
Filt Low-Pass or High-P
Filt 35 - 300 Hz, 12 dB/Oc
Detented F
Poten
35, 80, 135, 300 Hz (Calibrated)
Input Mode Switch 2 / 3 / 4 Channel
Min 4 A
F 50A
Dimensions 9.33 in x 4.50 in x 1.77 in / 237 mm x 114.5 mm x 45 mm
Status LED’
There are tw
1. “POWER ”
operating normally
2. “PROTECT ”
has been activated to preven
over current or short-circuit to the amplifier’-
tection mode is activated, the amplifier will shut down to prot
circuitry.
normal operation and the
speaker outputs to impedances low
bridged) will also cause this protection mode to activate.
POWER
(Green LED
PROTECT
(Red LED)
Status Note
ON OFF Normal Operation
OFF ON Thermal Prot Lasts until temp cools to normal
OFF/ON ON/OFF Over Current Green/Red LEDs alternate for 1 sec
OFF ON Short Circuit Possible audible
Remote T
High <or> Low-L Speaker
Outputs
(selectable via Input Voltage Switch
for each channel pair)
[FR–]
[FR+]
[RL
[RL+]
[RR–]
[RR+]
[FL
[FL+]
[REAR IN]
So
[REM]
Batter
F
(not included)
[
[GND
[FRONT IN]
Label Wire C Description
+12V Red Positiv
GND Black Negative (GND) Ground C
REM Blue Positiv
FL+ White
Ch. 1
output
(+) Positiv Fron
F White/Black (–) Negative F
FR+ Gray
Ch. 2
output
(+) Positiv
FR– Gray/Black (–) Negative F Fron
RL+ Green
Ch. 3
output
(+) Positiv Rear Bridged (+)
R Green/Black (–) Nega
RR+ Purple
Ch. 4
output
(+) Positiv
RR– Purple/Black (–) Negative Rear Right Speaker Rear Bridged (–)
Label Plug Description
FRONT
IN
White RCA Ch. 1 / Fron
Red RCA Ch. 2 / Front Right Channel Signal Input
REAR
IN
White RCA Ch. 3 / Rear Left Channel Signal Input
Red RCA Ch. 4 / Rear Right Channel Signal Input
Connections
IP
WAT
RESIST
