Boss Audio Systems Chaos Epic CE202 User manual

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AUDIO SYSTEMS
Two Channel
CE202
High Power CarAudio
Amplifier
Four Channel
CE404
High Power Car Audio
Amplifier
Congratulations on your
purchase of a 5IO~S
AUDIO SYSTnIS
CHAOS EPIC Amplifier.
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.
Thank you
for making 5IO~
AUDKlSYSTEMS
your choice for car audio
/'
entertainment!
.~
I:
page
3
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4
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5
6
7
S
9
10
11
USER'S
MANUAL
CONTENTS
Introduction
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
Power and Speaker wiring
Troubleshooting
Specifications
CHAOS EPIC Amplifier User's Manual -page 1

Introduction
With the ~.9~ CHAOS EPIC
amplifier series, we are introducing
in troducing two new models, both
designed in the USA. This new series
includes a 2-channel and a 4-channel
amplifier.
These CHAOS EPIC models feature
a low pass crossover (one for each
channel on the CE404), and both high
level and RCA low level inputs on the
front panel. Input
le v el can be precise ly
controlled by variable input gain
controls.
These features help you
in tegrate the
amp into your system regardless
of
the nature of your input source.
//
What is included?
When first unpacking your new
amplifier, please check first that the
package contains all
of the items
below. If something
is missing, contact
the store where you purchased the
player.
• CHAOS EPIC amplifier
• High input cable with connector
• Four
(4) mounting screws
Features
Your new CHAOS EPIC amplifier
features the following:
• 2 Ohm stable stereo operation
with output power increase
• Soft turn-on circuit
• Remote turn-on/turn-off circuit
• Variable input gain control
• Nickel-plated RCA low level and
high level inputs
• LED power indicator
• Black anodized aluminum heatsink
About 2 Ohm ope ra ti on
Your CHAOS EPIC amplifier has
been designed
to operate eff:cient!y
at loads down to 2 Ohms. T
hi s means
that you can install four 8 Ohm
speakers per channel, when using
parallel wiring.
Doubling the number of woofers
produces an acoustic coupling effect.
This ac
ou st ic coupling effect in creases
the output by about 3dB for each
doubling of the number of woofers.
When operating at 2 Ohms, the
amplifiers will
in crease their output
power by approximately 50%. Th e
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.
If you lack adequate current, your
music reproduction will be distorted.
CHAOS EPIC Ampl if ier User's Man ual - page 2 CHAOS EPIC A
mp lifier User 's Manual - page 3

----------
General precautions
Before installing and using your
new !9~ amplifier, please be-
come familiar with all the infor-
mation contained in this manual.
Please
keep this manual in a safe
- place for future reference.
• 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
damageto the amplifier, do not permit
any
of this equipment to become
damp or wet from water or drinks. If
this does occur, immediately unplug
ti1e powerwires and send the amplifier
to your local dealer or service center
as soon as possible.
• 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 cord and send the amplifier to
your local dealer orservice center
as
soon as possible.
Installation precautions
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.
Before making or breaking power
connections
in your system,
disconnect the vehicle battery. Confirm
that your head unit orother equipment
is turned offwhile connecting the input
jacks and speaker terminals.
If you need
to replace the powerfuse,
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.
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.
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 Ibcation.
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.
4. Drill pilot holes in the mounting
surface forthe mounting screws. Place
the amplifier
in position, and attach
the amplifier
to the mounting surface
securely using screws.
CHAOS EPIC Amplifier User's Manual --pege 5
CHAOS EPIC Amplifier User·s Manual -page 4

----------
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.
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.
2.
Connect the remote terminal to the
remote
output of the head unit using
16 gauge (or heavier) wire.
3. Connect an empty fuse holderwithin
18" (45 cm)
of the car battery, and run
8 gauge (or heavier) cable from this
fuse to the amplifier location.
4. Check that the fuse holder is empty.
Then
connect the fuse hol der to the
"BAD +" connection on the amplifier.
5. If multiple amplifiers are being used
in your system, either:
• 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-
• Run a 4 AWG cable from the fuse
holder
at the battery to a distribution
block at or nearthe amplifier's location.
Then run separate cables from
the
. amplifierto this distribution blockand to
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 .
CHA OS EPIC Amplifier User's Manual -page 6
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.
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.
11. Further fine tuning
of the various
controls
may be necessary to obtain
best results.
Don't misuse the
level control!
Do not mistakethe 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.
Do
not adjust this input level to
maximum unless your input level
requires it.
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.
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!
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CHAOS EPIC Amplifier User's Manual - pag e 7

High Level Input Wiring, cont.
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 Amplifier
CE202
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CHAOS EPIC Amplifier User 's Manual -page 8
Power and Speaker Wiring
2-Channel Amplifier
CE202
RIGHT
Speaker
SPEAKER
IMPEDANCE
LEFT
Speaker
2-8 OHMS
4-Channel Amplifier
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CE404
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CHAOS EPIC Amplifier User's Manual -page 9

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
Amplifier will not
power up.
Check to make sure you have a good ground connection.
Check that the Remote Input (Turn-On) has at least! 6.5-7VDC
Check that there is battery power on the (+) terminal.
Check that there is at least 12v.
Check all fuses, replace if necessary.
Make sure that the
Protection LEO is not illuminated. If it is lit, shut off
the amplifier briefly, and then repower it.
Protection LED
comes on when
amplifier is
powered up.
Check for sho rt circuits on speaker leads.
Turn
down the volume control on the head . unit to prevent overdrivi ng.
Remove speaker leads, and reset the amplifier. If the Prote ctio n LEO still
comes on, then the amplifier is faulty and needs servicing.
No output.
Check that all fuses are OK.
Check that amplifier is properly grounded.
Check that the Re mote Input (Turn-On) has at least 3VDC.
Check that the RCA audio cables are plugged into the proper inputs.
Check all speaker wiring.
Low output.
Reset the
Level Control.
Check the Crossover Control settings.
Audio present in
only one channel.
Check the RCA interconnect cables.
Check all speaker wiring.
High hiss in the
speakers.
Di sco nn ec t all RCA inputs to the amplifiers. If the hiss disappears, thel
plug in the component dri ving the amplifier and unplug its inputs. If thE
hiss disappear.s at this point, go on until the faultylnoisy component is
found.
It is best to set the amplifier's input level control as low as possible. n
best subiective signal-to-noise ratio is achieved in this manner. Try to s
the head unit as high as possible (without distortion) and the' amp inpu
level as low as possible.
Squealing noise
from speakers,
Check for improperly grounded RCA interconnects.
Distorted sound.
Check that the Input Level Control is set to match the sig nal level of the
head unit. Always try to set th e Input Level as low as possible.
Check that all crossover frequencies are properly set.
Check for short circuits on the speaker leads.
Amplifier gets
very hot. Check that the
minimum speakerimpedance for the amp model is correct.
Check that there is good air circulation around the amp. In some
applications, it may be necessary to add and external cooling fan.
Engine noise
(statiC type) This is usually ca
used 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
(alternator
whine)
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 .
Specifications
ao~s
AUDIO SYSTEMS
Two Channel
Four Channel
Car Audio Amplifier
Car Audio Amplifier
MODEL
CE202
CE404
RMS POWER
50Wx2
50Wx4
into 4 Ohms
MAX POWER
100WX2 100WX4
into 2 Ohms
Min. speaker
2 Ohms 2 Ohms
impedance
THD
0.01% 0.01%
Frequency response
12Hz-22kHz 12Hz-22kHz
Signal-to-noise ratio 90dS 90dS
Channel separation 60dS 60dS
Fuse
rating
7.5Ax 1 15Ax 1
Dimensions:
5 -15/16" 7-10/16"
(9-13/16" x 2-2/16" x ...)
AI! specifications s ubject to change without notice.
e
t
CHAOS EPIC Amplifier User's Manual - page 10
CHAOS EPIC Amplifier User's Manual - page 11

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