U S E R ’ S M A N U A L
page CONTENTS
2
2
3
3
4
4
4
5
6
9
Introduction
Two Channel
MOSFET Car Audio
Amplifiers
CX250
CX450
CX550
CX750
CX950
CX1250
What is included?
Features
About 2 Ohm operation
General precautions
Installation precautions
Mounting the amplifier
Connecting the amplifier
Low level input wiring
High level input wiring
Four Channel
MOSFET Car Audio
Amplifiers
CX600
CX650
CX800
CX1000
Five Channel
MOSFET Car Audio
Amplifier
CX1800
12 2CH Power and Speaker wiring
2CH and Bridged Modes
MonoBlock
CX1100M
CX2000M
13 2CH Power and Speaker wiring
MOSFET Car Audio
Amplifier
TriMode
14 4CH Power and Speaker wiring
4CH and Bridged Modes
Congratulations on your
purchase of a
CHAOS EXXTREME Amplifier.
15 4CH Power and Speaker wiring
TriMode
16 5CH Power and Speaker wiring
5CH Mode
It has been designed, engineered
and manufactured to bring you
the highest level of performance
and quality, and will afford you
years of listening pleasure.
17 5CH Power and Speaker wiring
Bridged Mode
18 5CH Power and Speaker wiring
TriMode
19 MonoBlock Power and Speaker wiring
20 Troubleshooting
Thank you for making
your choice for car audio
entertainment!
21 Specifications
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 1
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Features
About 2 Ohm operation
Your new CHAOS EXXTREME amplifier
features the following:
Your CHAOS EXXTREME amplifier
has been designed to operate
efficiently at loads down to 2 Ohms.
This means that you can install four
8 Ohm speakers per channel, when
using parallel wiring.
• Class A-B operation
• Bridgeable outputs
(except CX1100M and CX2000M)
Increasing the number of woofers per
channel at low frequencies (below
100Hz) produces an acoustic coupling
effect. This acoustic coupling effect
increases your power output by about
3dB per speaker, or the equivalent of
an additional 10W per speaker.
• Tri-Mode capable
(except CX1100M and CX2000M)
• MOSFET PWM (Pulse Width
Modulated) Power Supply
• 2 Ohm stable stereo operation
with output power increase
When operating at 2 Ohms, the
amplifiers will increase their output
power by approximately 50%. The
current draw will also increase by
about the same amount, so be sure
you have enough current to run the
amplifiers into a 2 Ohm load.
• Thermal and speaker short
protection
• Soft turn-on circuit
• Remote turn-on/turn-off circuit
• Variable input gain control
• Variable low pass crossover(s)
• Fixed high pass crossover(s)
• Variable 0 to +18dB Bass Boost
If you lack adequate current, your
music reproduction will be distorted.
• Nickel-plated RCA low level and
high level inputs
• LED power and protection
indicators
• Silver anodized heatsink
• Remote subwoofer level control
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 3
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General precautions
Before installing and using your
Before making or breaking power
connections in your system,
new
amplifier, please be-
come familiar with all the infor-
mation contained in this manual.
disconnect the vehicle battery. Confirm
that your head unit or other equipment
is turned off while connecting the input
jacks and speaker terminals.
Please keep this manual in a safe
place for future reference.
If you need to replace the power fuse,
replace it only with a fuse identical to
that supplied with the amplifier. Using
a fuse of a different type or rating may
result in damage to your audio system
or your amplifier which is not covered
by the manufacturer's warranty.
• Do not open or attempt to repair
this unit yourself. Dangerous high
voltages are present which may result
in electric shock. Refer any repairs to
a qualified service technician.
• To avoid risk of electronic shock or
damage to the amplifier, do not permit
any of this equipment to become
damp or wet from water or drinks. If
this does occur, immediately unplug
the power wires and send the amplifier
to your local dealer or service center
as soon as possible.
Mounting the amplifier
1. Find a suitable location in the vehicle
in which to mount the amplifier.
2. Make sure there is sufficient air
circulation around the intended
mounting location.
• If there is smoke or any peculiar
odor present during use or if there is
damage to any of the component
enclosures, immediately unplug the
power wire and send the amplifier to
your local dealer or service center as
soon as possible .
3. Mark the location for the mounting
hole screws by positioning the amplifier
where you wish to install it. Use a
scribe or mounting screw, inserted
through each of the amp's mounting
holes, to mark the mounting surface.
If the mounting surface is carpeted,
measure the hole centers and mark
with a felt tip pen.
Installation precautions
4. Drill pilot holes in the mounting
surface for the mounting screws. Place
the amplifier in position, and attach
the amplifier to the mounting surface
securely using screws.
Before you drill or cut any holes,
investigate your car's layout very
carefully. Take special care when you
work near the gas tank, fuel lines,
hydraulic lines and electrical wiring.
Never operate the amplifier when it is
unmounted. Attach all audio system
components securely to prevent
damage, especially in an accident.
SHOCK HAZARD! Do not open the case
of this product. There are dangerous
voltages present within the unit. There are
no user-serviceable parts within the unit.
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 4
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Connecting the amplifier
Before doing any wiring, look through
this manual and identify the diagrams
to follow for power, input and speaker
connections for your particular
installation. Be sure you understand
all the connections before you proceed.
7. Insert fuse(s) into the battery fuse
holder(s).
8. Recheck all connections before
powering up the amplifier.
9. Set all level controls to minimum
position, and set all crossover
controls/switches to the desired
frequency points.
1. Connect the power ground terminal
to the closest point on the chassis of
the car. Keep this ground wire to less
than 39" (100 cm) in length. Use 8
gauge (or heavier) wire.
10. Power up the head unit and the
amplifier. Then set the volume control
on the head unit to about 3/4 volume,
and adjust the amplifier’s input level
control(s) to just below the level of
distortion.
2. Connect the remote terminal to the
remote output of the head unit using
16 gauge (or heavier) wire.
3. Connect an empty fuse holder within
18" (45 cm) of the car battery, and run
8 gauge (or heavier) cable from this
fuse to the amplifier location.
11. Further fine tuning of the various
controls may be necessary to obtain best
results.
4. Check that the fuse holder is empty.
Then connect the fuse holder to the
"BATT+" connection on the amplifier.
Don't misuse the
level control!
5. If multiple amplifiers are being used
in your system, either:
Do not mistake the input level control
for a volume control! It is designed
ONLY to match the output level of
your audio source to the input level
of your amplifier.
• Run a separate pair of cables from
the battery and a chassis ground point
to each amplifier. Each (+) cable must
have its own inline fuse.
-or-
Do not adjust this input level to
maximum unless your input level
requires it.
• Run a #4 cable from the fuse holder
at the battery to a distribution block
at or near the amplifier's location. Then
run separate cables from the amplifier
to this distribution block and to
Ignoring these instructions will result
in an input overload to the amplifier,
and excessive audio distortion. It
can also cause the protection circuit
to engage.
independent chassis ground points.
6. Connect all line inputs and outputs
(if used) using high-quality cables.
Connect all speakers, following the
diagrams in this manual. Be sure to
observe proper polarity to avoid audio
phase problems.
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 5
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Low Level Input Wiring
Low-level (RCA) input wiring is preferred for best audio performance. Always use
a high-quality RCA cable for best audio performance.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
Remote Subwoofer
Level Control
2-Channel Amplifiers
CX250, CX450, CX550,
CX750, CX950, and CX1250
REMOTE SUBWOOFER
LEVEL CONTROL
LEFT
RIGHT
INPUT
LEVEL
BASS
POWER
PROTECTION
HIGH PASS
130
BOOST
100
40
145
155
FULL RANGE
LOW PASS
+ L
R +
MIN
MAX
0
+12dB
35
160
HIGH LEVEL
W LE
MODE
LOW PASS FREQ, Hz
INPUTS
CROSSOVER
T W O C H A N N E L M O S F E T P O W E R A M P L I F I E R
To Audio
Outputs of head
unit or signal
processor
4-Channel Amplifiers
CX600, CX650, CX800, and CX1000
Remote Subwoofer
Level Control
CH
1
CH3/4 CONTROLS
CROSSOVER LOW PASS INPUT
INPUT
LEVEL
BASS LOW PASS
CROSSOVER
MODE
MODE
FREQ
BOOST
FREQ
POWER
PROTECTION
100
40
5
155
100
40
145
155
FULL
RANGE
HIGH PASS
FULL RANGE
35
160 MIN MAX
MIN MAX
0
+12dB 35
160
Hz
Hz
REMOTE
SUBWOOFER
LEVEL CONTROL
CH1/2 CONTROLS
C
C
C
C
H 1
H2
H3
H4
LOW
LEVEL
+ HIGH
LEVEL
CH
4
+
+
+
F O U R C H A N N E L
M O S F E T P O W E R A F I E R
INPUTS
To FRONT Audio Outputs of
head unit or
signal processor
To REAR Audio Outputs of
head unit or
signal processor
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 6
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Low Level Input Wiring
Low-level (RCA) input wiring is preferred for best audio performance. Always use
a high-quality RCA cable for best audio performance.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
5-Channel Amplifier
CX1800
Remote Subwoofer
Level Control
2 CONTROLS
NPUT CONTROLS
CROSSOVER
BASS BOOST
0 +
CH
CH
1
3
CH
5 R
INPUT CONTROLS
CROSSOVER
HIGH
LEVEL MODE
PASS
FULL
ENSITIVITY
FULL
LOW PASS
SENSITIVITY
LEVEL
FREQ
FREQ
90
C
H 1
2
+
+
LOW PASS
100mV-2V 2-8V
45
MIN MAX
45
90
Hz
100mV-2V 2-8V MIN MAX
4CH
Hz
C
C
H3
H
5CH
HIGH PASS
POWER
HIGH
LEVEL
INPUTS
PROTECT
0
+18dB
MIN MAX
FULL
LOW PASS
90
45 FREQ
INPUT MODE BASS BOOST
CH
5 L
100mV-2V 2-8V
SENSITIVITY
0
+18dB
CH
2
CH
4
REMOTE SUBWOOFER
LEVEL CONTROL
LEVEL MODE
CH5 INPUTS
INPUT CONTROLS
CROSSOVER
BASS BOOST
CH5 CONTROLS
LOW EVEL IN
H3/4 CONTROLS
To SUBWOOFER
Audio Outputs of
head unit or signal
processor (if
present)
To FRONT Audio
Outputs of head
unit or signal
processor
To REAR Audio
Outputs of head
unit or signal
processor
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 7
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Low Level Input Wiring
Low-level (RCA) input wiring is preferred for best audio performance. Always use
a high-quality RCA cable for best audio performance.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
MonoBlock Amplifier
CX1100M
Remote Subwoofer
Level Control
LOW PASS
FREQUENCY
LEFT
RIGHT
MODE
LEVEL
SENSITIVITY
2-8V 100mV-2V
POWER
PROTECTION
100
145
40
155
L R +
HIGH LEVEL
+
0
+18dB
35
FULL RANGE
MIN
MAX
160
Hz
OW
LEV
REMOTE SUBWOOFER
LEVEL CONTROL
BASS BOOST
CROSSOVER
INPUT CONTROLS
UTS
M O S F E T M O N O B L O C K P O W E R A M P L I F I R
To Audio Outputs of head
unit or
signal processor
MonoBlock Amplifier
CX2000M
Remote Subwoofer
Level Control
LEFT
RIGHT
INPUT
LEVEL
BASS
CROSSOVER
PROTECTION
POWER
BOOST FREQUENCY
L R +
HIGH LEVEL
REMOTE SUBWOOFER
LEVEL CONTROL
+
IN
L
MIN
MAX
0
+12dB
40Hz
120Hz
M O S F E T M O N O B L O C K P O W E R A M P L I F I E R
To Audio Outputs of head
unit or
signal processor
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 8
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High Level Input Wiring
The high level input(s) should only be used when your head unit lacks RCA outputs.
If the RCA outputs are not present, connect the speaker outputs from the receiver
to the high level input connector of the amplifier. Be sure to observe polarity to
avoid audio phase problems.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
2-Channel Amplifiers
CX250, CX450, CX550, CX750, CX950, and CX1250
Remote
Subwoofer Level Control
REMOTE SBWOOFER
LEVEL CONTROL
LEFT
RIGHT
INPUT
LEVEL
BASS
POWER
PROTECTION
HIGH PASS
130
BOOST
100
40
145
155
FULL RANGE
LOW PASS
R +
+
MIN
MAX
0
+12dB
35
160
LOW PASS FREQ, Hz
HGLEVEL
LOW LEVEL
MODE
INPUTS
CROSSOVER
T W O C H A N N E L M O S F E T P O W E R A M P L I F I E R
L+ L- R- R+
To Speaker Terminals
of head unit
Remote
Subwoofer Level Control
4-Channel Amplifiers
CX600, CX650, CX800, and CX1000
CH
1
CH
2
CH3/4 CONTROLS
CROSSOVER LOW PASS INPUT
INPUT
LEVEL
BASS LOW PASS
CROSSOVER
MODE
MODE
FREQ
LEVEL
BOOST
FREQ
POWER
PROTECTION
100
40
145
155
100
40
145
155
FULL
RANGE
HIGH PASS
FULL RANGE
35
160 MIN MAX
MIN MAX
0
+12dB 35
160
Hz
Hz
REMOTE
SUBWOOFER
LEVEL CONTROL
CH1/2 CONTROLS
C
C
C
H 1
H2
H 3
4
LOW
LEVEL
HIGH
LEVEL
CH
3
CH
4
+
+
+
+
F O U R C H A N N E L
M O S F E T P O W E R A M P L I F I E R
INPUT
To Speaker
Terminals
of head unit
CH CH CH CH
1+ 1- 2- 2+
CH CH CH CH
3+ 3- 4- 4+
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 9
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High Level Input Wiring
The high level input(s) should only be used when your head unit lacks RCA outputs.
If the RCA outputs are not present, connect the speaker outputs from the receiver
to the high level input connector of the amplifier. Be sure to observe polarity to
avoid audio phase problems.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
5-Channel Amplifier
Remote
Subwoofer Level Control
CX1800
CH1+ CH1- CH2- CH2+
To Speaker Terminals
of head unit
CH1/2 CONTROLS
INPUT CONTROLS
CROSSOVER
BASS BOOST
0 +18dB
CH
1
CH
3
CH
5 R
INPUT CONTROLS
CROSSOVER
LOW PASS
HIGH
LEVEL MODE
PASS
FULL
SENSITIVITY
FULL
SENSITIVITY
LEVEL
FREQ
Hz
FREQ
90
C
C
H 1
H2
+
+
LOW PASS
45
100mV-2V 2-8V
100mV-2V 2-8V
4CH 5CH
MIN MAX
45
90
Hz
MIN MAX
Hz
C
C
H3
H4
HIGH PASS
POWER
HIGH
+
+
LEVEL
INPUTS
PROTECT
0
+18dB
MIN MAX
90
45 FREQ
INPUT MODE BASS BOOST
FULL
LOW PASS
CH
5 L
100mV-2V 2-8V
SENSITIVITY
0
+18dB
CH
2
CH
4
REMOTE SUBWOOFER
LEVEL CONTROL
LEVEL MODE
CH5 INPUTS
CH5 CONTROLS
INPUT CONTROLS
CROSSOVER
BASS BOOST
LOW LEVEL INPUTS
CH3/4CONTROLS
CH3+ CH3- CH4- CH4+
To Speaker Terminals
of head unit
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 10
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High Level Input Wiring
The high level input(s) should only be used when your head unit lacks RCA outputs.
If the RCA outputs are not present, connect the speaker outputs from the receiver
to the high level input connector of the amplifier. Be sure to observe polarity to
avoid audio phase problems.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
MonoBlock Amplifier
CX1100M
LOW PASS
FREQUENCY
LEFT
RIGHT
MODE
LEVEL
SENSITIVITY
2-8V 100mV-2V
POWER
PROTECTION
100
145
40
155
+ L
HIGH LVEL
R +
0
+18dB
35
160
FULL RANGE
MIN
MAX
Hz
LOW
LEVEL
REMOTE SUBWOOFER
LEVEL COTROL
BASS BOOST
CROSSOVER
INPUT CONTROLS
INPUTS
M O S F E T M O N O B L O C K P O W E R A M P L I F I E R
L+ L- R- R+
Remote
Subwoofer Level Control
To Speaker Terminals
of head unit
MonoBlock Amplifier
CX2000M
LEFT
RIGHT
INPUT
LEVEL
BASS
CROSSOVER
FREQUENCY
PROTECTION
POWER
BOOST
L R +
HGH LEVE
REMOTE SUBWOOFER
LEVEL CONTROL
+
LOW
INPUTS
LEVEL
MIN
MAX
0
+12dB
40Hz
120Hz
M O S F E T M O N O B L O C K P O W E R A M P L I F I E R
L+ L- R- R+
Remote Subwoofer
Level Control
To Speaker Terminals
of head unit
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 11
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Power and Speaker Wiring
2 Channel and Bridged Modes
2-Channel Amplifiers
CX250, CX450, CX550,
CX750, CX950, and CX1250
LEFT
Speaker
+
–
+
–
RIGHT
Speaker
SPEAKER
IMPEDANCE
2-8 OHMS
Two
Channel
Mode
SPEAKERCONNECTIONS
POWER CONNECTIONS
BATT+
REMOTE GROUND
L
R
FUSE
BRIDGED
Chassis
ground
point
to REMOTE TURN-ON
terminal of head unit
FUSE
Battery
SPEAKER
IMPEDANCE
4-8 OHMS
+
–
Subwoofer
Bridged
Mode
SPEAKER CONNECTIONS
POWER CONNECTIONS
BATT+ REMOTE GROUND
L
R
FUSE
BRIDGED
Chassis
ground
point
Connect the Positive (+) terminal of the
subwoofer to the L (+) amplifier terminal.
to REMOTE TURN-ON
terminal of head unit
Connect the Negative (-) terminal of the
subwoofer to the R (-) amplifier terminal.
FUSE
Battery
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 12
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Power and Speaker Wiring
Tri-Mode
2-Channel Amplifiers
CX250, CX450, CX550,
CX750, CX950, and CX1250
Tri-mode operation allows you to connect this amplifier to a pair of main speakers plus
a subwoofer on one pair of output channels. The main speakers will operate in STEREO
while the subwoofer simultaneously operates in MONO.
To set up the amplifier to run in this mode, put the crossover switches in the FULL position.
Insert high pass filter capacitors and a low pass filter inductor into the wiring as shown
below. Be sure to check the table at the bottom of this page to determine the correct
capacitor and inductor values for the crossover frequency you wish to achieve.
Component values for
6dB Passive Crossover
FREQUENCY INDUCTOR CAPACITOR
80 Hz
7.5mH
6.5mH
5.5mH
4mH
470uF
330uF
330uF
220uF
100 Hz
120 Hz
150 Hz
Tri-Mode
SPEAKER CONNECTIONS
POWER CONNECTIONS
BATT+
REMOTE GROUND
L
R
FUSE
BRIDGED
Chassis
ground
point
High pass filter
crossover
to REMOTE TURN-ON
terminal of head unit
LEFT
Speaker
MINIMUM
SPEAKER
IMPEDANCE
4 OHMS
FUSE
Battery
High pass filter
crossover
RIGHT
Speaker
SPEAKER
IMPEDANCE
8 OHMS
Low pass
filter inductor
Subwoofer
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 13
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Power and Speaker Wiring
4 Channel and Bridged Modes
4-Channel Amplifiers
CX600, CX650, CX800 and CX1000
CH2
Speaker
SPEAKER
IMPEDANCE
2-8 OHMS
CH1
Speaker
Four
Channel
Mode
FUSES
SPEAKER CONNECTIONS
CH CH
POWER CONNECTIONS
CH
CH
4
BATT+
REMOTE GROUND
1
2
3
CH1/2
CH3/4
BRIDGED
BRIDGED
Chassis
ground
point
CH3
Speaker
SPEAKER
IMPEDANCE
2-8 OHMS
to REMOTE TURN-ON
terminal of head unit
CH4
Speaker
FUSE
Battery
SPEAKER
IMPEDANCE
4-8 OHMS
Connect the Negative (-) terminal of the RIGHT subwoofer to
the CH2 (-) amplifier terminal.
RIGHT
Subwoofer
Connect the Positive (+) terminal of the RIGHT subwoofer to
the CH1 (+) amplifier terminal.
Bridged
Mode
FUSES
SPEAKER CONNECTIONS
CH CH
POWER CONNECTIONS
CH
CH
4
BATT+
REMOTE GROUND
1
2
3
CH1/2
CH3/4
BRIDGED
BRIDGED
Chassis
ground
point
LEFT
Subwoofer
to REMOTE TURN-ON
terminal of head unit
Connect the Negative (-)
terminal of the LEFT
subwoofer to the CH4 (-)
amplifier terminal.
SPEAKER
IMPEDANCE
4-8 OHMS
FUSE
Battery
Connect the Positive (+)
terminal of the LEFT
subwoofer to the CH3 (+)
amplifier terminal.
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 14
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Power and Speaker Wiring
Tri-Mode
4-Channel Amplifiers
CX600, CX650, CX800 and CX1000
Tri-mode operation allows you to connect this amplifier to a pair of main speakers
plus a subwoofer on one pair of output channels. The main speakers will operate
in STEREO while the subwoofer simultaneously operates in MONO.
To set up the amplifier to run in this mode, put the crossover switches in the FULL
position. Insert high pass filter capacitors and a low pass filter inductor into the
wiring as shown below. Be sure to check the table at the bottom of this page to
determine the correct capacitor and inductor values for the crossover frequency
you wish to achieve.
SPEAKER
IMPEDANCE
8 OHMS
RIGHT
Subwoofer
Tri-Mode
Component values for
High pass filter
crossover
6dB Passive Crossover
CH3
Speaker
FREQUENCY INDUCTOR CAPACITOR
80 Hz
7.5mH
6.5mH
5.5mH
4mH
470uF
330uF
330uF
220uF
MINIMUM
SPEAKER
IMPEDANCE
4 OHMS
100 Hz
120 Hz
150 Hz
High pass filter
crossover
CH4
Speaker
Low pass
filter inductor
FUSES
SPEAKER CONNECTIONS
CH CH
POWER CONNECTIONS
BATT+ REMOTE GROUND
CH
1
CH
4
2
3
CH1/2
CH3/4
BRIDGED
BRIDGED
Chassis
ground
point
High pass filter
crossover
to REMOTE TURN-ON
terminal of head unit
CH2
–
+
Speaker
MINIMUM
FUSE
Battery
SPEAKER
IMPEDANCE
4 OHMS
High pass filter
crossover
–
+
CH1
Speaker
Low pass
filter inductor
LEFT
Subwoofer
SPEAKER
IMPEDANCE
8 OHMS
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 15
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Power and Speaker Wiring
5 Channel Mode
5-Channel Amplifier
CX1800
Five
Channel
CH5
Subwoofer
Mode
+
–
CH1
Speaker
SPEAKER
IMPEDANCE
2-8 OHMS
+
–
CH2
Speaker
SPEAKER
IMPEDANCE
2-8 OHMS
CH/2 BRIDGED
SPEAKERS
FUSES
POWER CONNECTIONS
GROUND REMOTE BATT+
CH
CH
CH
1
2
CH
5
CH
3
CH3/4
4
BRIDGED
Chassis
ground
point
SPEAKER
IMPEDANCE
2-8 OHMS
to REMOTE TURN-ON
terminal of head unit
CH3
Speaker
CH4
Speaker
FUSE
Battery
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 16
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Power and Speaker Wiring
Bridged Mode
5-Channel Amplifier
CX1800
Connect the Negative (-) terminal of the RIGHT
subwoofer to the CH2 (-) amplifier terminal.
CH5
Subwoofer
Connect the Positive (+) terminal of the RIGHT
subwoofer to the CH1 (+) amplifier terminal.
SPEAKER
IMPEDANCE
2-8 OHMS
SPEAKER
IMPEDANCE
4-8 OHMS
RIGHT
Subwoofer
+
–
Bridged
Mode
CH1/2 BRIDGED
SPEAKERS
FUSES
POWER CONNECTIONS
CH
CH
CH
1
2
CH
5
GROUND REMOTE
BATT+
CH
3
4
CH3/4
BRIDGED
Chassis
ground
point
to REMOTE TURN-ON
terminal of head unit
LEFT
Subwoofer
SPEAKER
IMPEDANCE
4-8 OHMS
FUSE
Battery
Connect the Negative (-) terminal of the LEFT
subwoofer to the CH4 (-) amplifier terminal.
Connect the Positive (+) terminal of the LEFT
subwoofer to the CH3 (+) amplifier terminal.
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 17
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Power and Speaker Wiring
Tri-Mode
5-Channel Amplifier
CX1800
Tri-mode operation allows you to connect this amplifier to a pair of main speakers
plus a subwoofer on one pair of output channels. The main speakers will operate
in STEREO while the subwoofer simultaneously operates in MONO.
To set up the amplifier to run in this mode, put the crossover switches in the FULL
position. Insert high pass filter capacitors and a low pass filter inductor into the
wiring as shown below. Be sure to check the table at the bottom of this page to
determine the correct capacitor and inductor values for the crossover frequency
you wish to achieve.
SPEAKER
IMPEDANCE
8 OHMS
Tri-Mode
Low pass
filter inductor
RIGHT
Subwoofer
Component values for
6dB Passive Crossover
FREQUENCY INDUCTOR CAPACITOR
High pass filter
crossover
CH1
Speaker
80 Hz
7.5mH
6.5mH
5.5mH
4mH
470uF
330uF
330uF
220uF
MINIMUM
100 Hz
120 Hz
150 Hz
High pass filter
crossover
SPEAKER
IMPEDANCE
4 OHMS
CH2
Speaker
CH5
Subwoofer
SPEAKER
IMPEDANCE
2-8 OHMS
CH/2 BRIDGD
CH
SPEAKERS
FUSES
POWER CONNECTIONS
GROUND REMOTE BATT+
CH
1
2
4
CH
5
CH
CH
CH3/4
BRIDGED
3
Chassis
ground
point
to REMOTE TURN-ON
terminal of head unit
High pass filter
crossover
FUSE
Battery
–
+
CH4
Speaker
High pass filter
crossover
MINIMUM
SPEAKER
IMPEDANCE
4 OHMS
–
CH3
Speaker
+
SPEAKER
IMPEDANCE
8 OHMS
Low pass
filter inductor
LEFT
Subwoofer
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 18
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Power and Speaker Wiring
MonoBlock Mode
Monoblock Amplifiers
CX1100M and CX2000M
+
–
Speaker
SPEAKER
IMPEDANCE
2-8 OHMS
MonoBlock
Mode
PEAKER
FUSES
POWER CONNECTIONS
BATT+
REMOTE GROUND
Chassis
ground
point
to REMOTE TURN-ON
terminal of head unit
FUSE
Battery
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 19
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Troubleshooting
If you experience operation or performance problems with this product, compare your
installation with the electrical wiring diagram on the previous pages. If problems persist,
read the following troubleshooting tips which may help eliminate the problems.
SYMPTOM
POSSIBLE REMEDY
Check to make sure you have a good ground connection.
Check that the Remote Input (Turn-On) has at least 3VDC.
Check that there is battery power on the (+) terminal.
Check that there is at least 12v.
Amplifier will not
power up.
Check all fuses, replace if necessary.
Make sure that the Protection LED is not illuminated. If it is lit, shut off
the amplifier briefly, and then repower it.
Check for short circuits on speaker leads.
Protection LED
comes on when
amplifier is
Turn down the volume control on the head unit to prevent overdriving.
Remove speaker leads, and reset the amplifier. If the Protection LED still
comes on, then the amplifier is faulty and needs servicing.
powered up.
Check that all fuses are OK.
No output.
Check that amplifier is properly grounded.
Check that the Remote Input (Turn-On) has at least 3VDC.
Check that the RCA audio cables are plugged into the proper inputs.
Check all speaker wiring.
Reset the Level Control.
Low output.
Check the Crossover Control settings.
Check the RCA interconnect cables.
Check all speaker wiring.
Audio present in
only one channel.
Disconnect all RCA inputs to the amplifiers. If the hiss disappears, then
plug in the component driving the amplifier and unplug its inputs. If the
hiss disappears at this point, go on until the faulty/noisy component is
found.
High hiss in the
speakers.
It is best to set the amplifier's input level control as low as possible. The
best subjective signal-to-noise ratio is achieved in this manner. Try to set
the head unit as high as possible (without distortion) and the amp input
level as low as possible.
Check for improperly grounded RCA interconnects.
Squealing noise
from speakers.
Check that the Input Level Control is set to match the signal level of the
head unit. Always try to set the Input Level as low as possible.
Distorted sound.
Check that all crossover frequencies are properly set.
Check for short circuits on the speaker leads.
Check that the minimum speaker impedance for the amp model is correct.
Amplifier gets
very hot.
Check that there is good air circulation around the amp. In some
applications, it may be necessary to add external cooling fan(s).
This is usually caused by poor quality RCA cables,which can pick up
radiated noise. Use only the best quality cables, and route them away
from power cables.
Engine noise
(static type)
Check that speaker leads are not shorted to the vehicle chassis.
Check that the RCA grounds are not shorted to the vehicle chassis.
Check that the head unit is properly grounded.
Engine noise
(alternator
whine)
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 20
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Specifications
2-Channel MOSFET Amplifiers
MODEL
CX250
CX450
CX550
CX750
CX950
CX1250
RMS POWER
into 4 Ohms
75W x 2
110W x 2
125W x 2
220W x 2
300W x 2
380W x 2
MAX POWER
into 2 Ohms
200W X 2
400W X 1
300W X 2
600W x 1
400W X 2
800W x 1
800W X 2
1000W X 2
2000W x 1
1250W X 2
2500W x 1
BRIDGED POWER
into 4 Ohms
1600W x 1
Min. speaker
impedance
2 Ohm Stereo 2 Ohm Stereo 2 Ohm Stereo 2 Ohm Stereo 2 Ohm Stereo 2 Ohm Stereo
4 Ohm Mono B4ridOghemd Mono B4ridOghemd Mono B4ridOghemd Mono B4ridOghemd Mono B4ridOghemd Mono Bridged
0.01%
0.01%
9Hz-50kHz
103dB
90dB
0.01%
9Hz-50kHz
103dB
90dB
0.01%
9Hz-50kHz
103dB
90dB
0.01%
9Hz-50kHz
103dB
90dB
0.01%
9Hz-50kHz
103dB
90dB
THD
9Hz-50kHz
103dB
90dB
Frequency response
Signal-to-noise ratio
Channel separation
Damping factor
125+
125+
125+
125+
125+
125+
Crossover range
low pass
35Hz-160Hz 35Hz-160Hz 35Hz-160Hz 35Hz-160Hz 35Hz-160Hz 35Hz-160Hz
fixed, 200Hz 200Hz (fixed) 200Hz (fixed) 200Hz (fixed) 200Hz (fixed) 200Hz (fixed)
Variable 0 - +18VdaBriable 0 - +18VdaBriable 0 - +18VdaBriable 0 - +18VdaBriable 0 - +18VdaBriable 0 - +18dB
high pass
Bass boost
Fuse rating
20A
25A
25A
15A x 2
14-7/8"
25A x 2
60A
7-7/8"
10-9/16"
12-3/16"
16-13/16"
19-3/8"
Dimensions:
(11-7/8" x 2-5/8" x ...)
5-Channel MonoBlock
4-Channel
MOSFET Amplifiers
MOSFET
Amplifier
MOSFET
Amplifiers
MODEL
CX600 CX650 CX800 CX1000 CX1800 CX1100M CX2000M
RMS POWER
into 4 Ohms
75W x 4 100W x 4 150W x 4 200W x 4 120W x 4 + 250W x 1
200W x 1
500W x 1
MAX POWER
into 2 Ohms
200W X 4 250W X 4 400W X 4 500W X 4 300W X 4 + 1100W X 1 2000W X 1
600W x 1
BRIDGED POWER
into 4 Ohms
400W X 2 500W x 2 800W x 2 1000W x 2 600W x 2 +
600W x 1
n/a
n/a
Min. speaker
impedance
2 Ohm Ster2eoOhm Ster2eoOhm Ster2eoOhm Stere2oOhm Stereo2 Ohm Stereo2 Ohm Stereo
4 Ohm Mon4oOBhrimdgMedon4oOBhrimdgMedon4oOBhrmidgMedono4 BOrhidmgeMdono4BOrihdmgeMd ono B4riOdhgmedMono Bridged
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
0.01%
THD
9Hz-50kHz9Hz-50kHz9Hz-50kHz9Hz-50kHz 9Hz-50kHz 9Hz-50kHz 9Hz-50kHz
Frequency response
Signal-to-noise ratio
Channel separation
Damping factor
103dB
90dB
125+
103dB
90dB
125+
103dB
90dB
125+
103dB
90dB
125+
103dB
90dB
125+
103dB
90dB
125+
103dB
90dB
125+
Crossover range
low pass
35Hz-160H3z5Hz-160H3z5Hz-160H3z5Hz-160Hz35Hz-160Hz35Hz-160Hz 35Hz-160Hz
fixed, 200H2z00Hz (fixed20) 0Hz (fixed20) 0Hz (fixed2)00Hz (fixed)200Hz (fixed) 200Hz (fixed)
Variable 0 -V+a1ri8adbBle 0 -V+a1ri8adbBle 0 -V+a1ri8adbBle 0 - +Va1r8iadbBle 0 - +V1a8rdiaBble 0 - +1V8adrBiable 0 - +18dB
high pass
Bass boost
Fuse rating
20A x 2
13-3/8"
20A x 2
15-5/8"
25A x 2
80A
25A x 3
20"
25A
25A x 2
16-13/16" 23-7/8"
10-11/16"
16-13/16"
Dimensions:
(11-7/8" x 2-5/8" x ...)
All specifications subject to change without notice.
CHAOS EXXTREME MOSFET Amplifier User’s Manual - page 21
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Notes
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Notes
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Notes
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