o
LED
Red,
no
output?
1)
Amplifier
is
very hot. ¢ Thermal protection
is
engaged. Test for proper impedance at the
speaker terminals with a
VOM meter (see the diagrams
in
this manual for minimum recommended impedance and
multiple speaker wiring suggestions). Also check for adequate airflow around the amplifier.
2)
Amplifier shuts down
only while vehicle
is
running. ¢Voltage protection circuitry
is
engaged. Voltage
to
the amplifier
is
not within the
9-16
volt operating range. Have the vehicle's charging and electrical system inspected.
3)
Amplifier
will
only play at low
volume levels.
¢Short
circuit protection is engaged. Check for speaker wires shorted
to
each other or to the vehicle
chassis. Check for damaged speakers, or speaker(s) operating below the minimum recommended impedance.
o
No
output
from
one
channel?
1)
Check the balance control on source unit
2)
Check the RCA and speaker
output connections
for
the channel
3)
Swap the RCA cable from left
to
right.
If
the problem changes sides then you
have
a
bad
RCA cable
or
source unit problem.
4)
Swap the speaker output wire from left
to
right.
If
the problem
changes sides then
you
have a
bad
speaker cable, passive crossover network
and/or
speaker.
o
Alternator
noise-whining
sound
with
engine's
RPM?
1)
Check for damaged RCA (or speaker input) cable
2)
Check the routing
of
RCA (or speaker input) cable
3)
Check the source unit for proper grounding
4)
Check the
gain settings and turn them down if they are set
too
high.
o
Poor
stereo
image
or
reduced
bass
response?
¢Check
system phasing
by
turning the balance control from left
to
right.
If
there
is
more bass output when turned
to
either side, then check your speaker wiring, passive crossover
networks and speaker terminals for proper positive and negative connections. Reverse a speaker connection from
positive
to
negative on the stereo/subwoofer channel(s); if the bass improves, the speaker was out of phase.
o
Ground-Loop
Noise?
¢If
you are using only one pair
of
RCA inputs, connect the RCA cable to the AMP 1 inputs.
o
No
Fader?
¢When
using both sets of low-level
(RCA)
inputs, the fader button must be
in
the "ON" position.
If
you have more questions about the installation
or
operation
of
your new KICKER prOduct,
see
the Authorized
KICKER Dealer where you made your purchase. For more advice on installation, click on the SUPPORT tab on the
Kicker homepage, www.kicker.com: Choose the TECHNICAL SUPPORT tab, choose the subject you are interested
in,
and then download
or
view the corresponding information.
Please E-mail support@kicker.com or call Technical Services (405) 624-8583 for unanswered or specific questions.
CAUTION: When
jump
starting the vehicle, be sure that connections made with jumper cables
are
correct. Improper
connections can result
in
blown amplifier fuses as well as the failure
of
other critical systems
in
the vehicle.
Performance
Model
RMS Power
in
Watts,
all
channels driven
@14.4\1, 4Q Stereo
,.;1
% THD+N
@14.4V,
2Q Stereo,
,.;1
% THD+N
@14.4V,
4Q Mono,
,.;1
% THD+N
Length:
Height:
Width:
Frequency Response,
±
0.5
dB:
Signal-to-Noise Ratio:
Inout Sensitivity:
Electronic Crossover:
Bass Boost:
MX350.4
60
x4
90
x 4
175 x 2
13 1/2" (342mm)
2 3/8" (60mm)
10" (254mm)
20 Hz - 20 kHz
>95 dB, a-weighted,
re:
rated power
125
mV
- 5 V
Variable
HI,
LO or OFF (bypass),
50
- 200Hz, 12dB per octave
Variable 0 to +18
dB
boost
@
40
Hz
Model
MX350.4
60
x 4 @ 4
ohms,
14.4Vdc,
1% THD,
CEA-2006
(Watts)
Signal
to
Noise
Ratio
-98
CEA-2006
(ref: 1
W,
A-weighted)
All
specifications and performance figures are subject to change. Please visit the www.kicker.com for the most current information.
5
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