Kaption Audio AS 100.4 User manual

Congratulations on the purchase of the world's finest brand
of car audio amplifier. We are committed to produce the best on
musical reproduction and we thank you for choosing our product.
Through years of critical testing procedures and hand
craftmanship, we have created a wide range of products that
reproduce music with all the clarity and richness you deserve.
to
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FEATURES
1. Amplifiers allow low level input into the RCA type input connections.
Low Level Input - Source units with an output signal level of 100mV-10V may be used. See
"Input Sensitivity" for proper voltage level setting.
2. Input Sensitivity - The Input Sensitivity switch is used to set the proper input voltage range:
3. Gain Control - This feature is used to fine-tune the input sensitivity of the amplifier to the
source unit's output level.
4. LPF - This one band parametric equalizer provides individual frequency.
Q/bandwidth, and+/-12dB gains adjustment controls. Any frequency from 30Hz to 80Hz can be
chosen and boosted or cut up to 12dB. The "Q" ranges from 0.5 to 4.0 in value to allow a wide
variety of bandwidth adjustment and address the subtle tuning requirements common to mobile
audio systems.
6. Speaker Connection -Two sets of speaker terminals are provided for dual woofer
applications. When connecting a single woofer, use only one set of speaker terminals.
7. Power Terminals - This is the main power connection for the amplifier. The power and ground
wire size should be the same gauge.
GND- The ground wire from this connection must be attached to bare metal on the vehicle.
The distance to the ground should be as short as possible and no more than 18".
REM- To turn the amplifier on/off, this terminal must be connected to the source unit's
"remote or electric antenna" wire.
+12V- The power wire from this connection must be attached to the positive side of the
vehicle's battery.
5.HPF- when you are using coaxial or component speaker system, this allows you to adjust
hign-pass x-over frequency from 50Hz to 1000Hz. To get better sound quality from coaxial or
component speaker system, we recommend the frequency should be higher than 65Hz. Make
sure the X-OVER switch is positioned at “HPF”.
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SPECIFICATIONS
MX 400.1
RMS POWER
MAX POWER
BRIDGED POWER
Min Speaker
Impedance
2 Ohm Stereo
4 Ohm Mono Bridged
Frequency Response
Low Pass
High Pass
Bass Boost
Signal-to Noise Ratio
THD
Fuse Rating
Dimension (W x H x D)
20Hz ~ 20KHz 15Hz~300Hz
1 Ohm
1000w x 1
1500w x 1
125w x 2
300w x 2
235w x 1
180w x 4
120w x 4
200w x 2
Sub Sonic
50Hz ~ 300Hz
50Hz ~ 1KHz
50Hz~300Hz
0dB ~ 12dB 0dB ~ 12dB
15Hz~50Hz
95dB 95dB
35A x325A x 2
200x180x 55 312 x180x55 290x180x55
mm
85dB
0.2%
0.01%0.01%
AS 100.4 MX 1000.1
1 Ohm
0dB ~ 12dB
15Hz~50Hz
15Hz~300Hz
50Hz~300Hz
25A x 2

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TROUBLE SHOOTING
Read this if you want to be a do-it-yourselfer.
PROBLEM CAUSE SOLUTION
No LED indication
No+12V at remote connection Supply+12V to terminal
No+12V at Power connection Supply+12V to terminal
Insufficient ground connection Verify ground connection
Blown power fuse Replace fuse
LED on, no output
Volume on head unit off Increase volume on head unit
Speaker connections not made Make speaker connections
Gain control on amplifier off Turn up gain
Signal processing unit off Apply power to signal processor
All speakers blown Replace speakers
Output distorted Head unit volume set too high Lower head unit volume
Amplifier gain set too high Lower amplifier gain
Balance reversed
Bass is weak
Blowing fuses
Speakers wired L+R reversed Wire speakers with correct
orientation
RCA inputs reversed Reverse RCA input
Speakers wired out phase Wire with correct of phase
Excessive output levels Lower volume
Amplifier defective Return for service
5. Setting the Boost/Cut: Once you determined the loudest musical spot or range within the bass
range of your sound system, start cutting until the response is smooth and even. You can also
boost low spots within the musical range, but don't go crazy with the boost knob. There is a lot
of boost available, 12dB, but begin with a low boost setting around 3dB and try to stay
below 6dB whenever possible. Remember that for every 3dB of additional boost you dial in,
you are asking the amplifier to double its power output for a given signal in the boost region.
3
BEFORE STARTING
If you do decide to do it yourself, make sure you have read the instructions carefully and have the
following tools:
· Electric drill
· Phillips bit or screwdriver
· 1/8" bit
· Wire cutters/crimpers
· Safety glasses
· X-Acto knife
Disconnect the vehicle's negative battery connection. Any deviation from the recommended
connection procedures may cause serious damage to the amplifier, speakers, and/or vehicle
electrical system. Please double check the connections before turning the system on.
INSTALLATION MOUNTING
Place your amplifier at the predetermined mounting location. Use a felt pen to mark the exact
position of the mounting holes on the mounting surface. Set the amplifier aside. With a sharp,
precise blade cut small circles in the carpet and padding around the four marks denoting your
mounting holes to expose the metal underneath. Use a center punch to make an indentation in the
metal to ensure that you drill the exact position for the screws.
Note: Please use common sense and make sure that all vehicle wires, gas lines, brake lines, etc.
are clear and will not interfere with the installation. ALWAYS WEAR PROPER SAFETY GLASSES.
CONNECTIONS
1. Bi-Level Inputs (Low Level Input) - Both a low and high level signal can be used. Be sure
to lay the signal wire away from all power cables and vehicle computers. Use high quality twisted
pair interconnect cables to decrease the possibility of radiated noise entering the system.
· Using RCA Connections: If the source unit does not have RCA outputs, simply attach a
signal cable from the source unit to the amp's RCA input. This will provide signal to the amp.
· Using Speaker Level Connections: If the source unit does not have RCA outputs, a high
level signal can be used instead by taking the supplied high level RCA adapter cables and
connecting the bare wire ends to the vehicle's rear speaker wiring. Connect the left negative
speaker wire to the green with black stripe wire on the supplied high level RCA adapter.
Connect the left positive speaker wire to the solid green wire. Do the same for the right
speaker connection using the purple wire. Now plug the RCA connectors into the amp's inputs.

4
2. Speaker Wire Connections- When installing the speaker wires, please take proper measures to
protect them. For example, when connecting the door speakers, the speaker wire should run from
the amplifier's output terminals, under the carpet, and through the factory rubber boot loom
t hat protects the wires in the inner door jam. If the factory boot cannot be used, take other
measures to protect these wires. Sometimes the door has to be completely removed to use the
factory boot. If this is something that you do not feel comfortable doing, please ask a professional
to help you.
These amps will have two PARALLEL speaker terminals, a positive and negative for a single woofer
and an OPTIONAL second set of positive and negative terminals for a two woofer configuration.
These amps can drive a minimum of a 2 ohm load.
3. Power Terminals- Please take proper measures during installation to protect the power wires as
best you can. For example, when running the power cable from the vehicle's battery through the
firewall, use a firewall bushing for protection. Run the power wire through the interior of the
vehicle, under the carpet, and to the amplifier. If this is something that you do not feel
comfortable doing, please ask a professional to help you. Be sure to lay the power wire away
from all signal cables.
· +12V: This is the main power input for the amplifier and must be connected directly to the
positive terminal of the car battery for the amplifier to operate properly. It is important that a
main fuse is installed a maximum of 18" from the battery.
· GND: This is the ground connection for the amplifier and must be connected directly to the
metal chassis of the vehicle for the amplifier to operate properly. A properly grounded amplifier
can be run harder and longer than a poorly grounded amplifier. The ground on the amplifier
should be as short as possible and be connected directly to the vehicle's metal chassis. Do not
connect to factory bolts of ANY kind. When attaching the ground to the chassis, sand all the
paint away from the contact point. A grounding block like the Street Wires GT4 should be used
whenever possible as this piece of equipment has 5 times the surface area of a normal screw.
The gauge of the power and ground wire is often an overlooked aspect of amplifier installation. The
more power the amplifier receives, the more power it will produce. Power cables have a natural
resistance, and will lose voltage by the time the power makes its way to the amplifier. The large
gauge diameter wire will hold more voltage over longer runs. Also, by having a larger diameter
ground wire, the amplifier can run more efficiently. It recommends using a minimum of 4 gauge
power and ground cables to get the best performance.
· REM: This connection turns the amplifier on and off and needs to be connected to a remote
turn-on wire from your source unit if you are using a low level input connection.
Note: When numerous amplifiers ate used in the same system, look into using a relay with a
separate power wire connected to an alternative power source to take the strain off the source unit.
Normal source units can only keep a constant 12 volts to 2 or possibly 3 amps. This wire should
also be run away from the RCA cables.
Double check all the previous connection installation steps, in particular the speaker and power
wiring. Securely mount the amplifier. If everything is in order, reconnect the vehicle's negative
battery connection and begin following the Feature Setup and Adjustments steps.
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FEATURE SETUP AND ADJUSTMENTS
1. Adjusting the Gain Control Before you start setting your amp gains, be sure to defeat all EQs
Ў"off " position.. You want to set the gain levels properly BEFORE applying any equalization.
Start with the source unit's volume around of the way up, and the gain on the amp all the way
down counter-clockwise. Slowly increase the gain clockwise until the speaker starts to distort.
Immediately decrease gain until the distortion goes away. This will be a good reference point on the
volume control to where the signal starts to distort. Remember every CD will be different; use
common sense and constantly listen for obvious distortion and adjust volume accordingly. The gain
on the amp has nothing to do with how much power the amp can produce, just how fast the amp
puts out max power. Just like in an automobile, full throttle is very rarely needed.
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Note: When adjusting the gains for two amplifiers strapped, you must adjust each amplifier's gain,
frequency, and EQ so you will be able to ЎmatchЎ the two amps and ensure both amplifiers are
sending the same ac voltage to the woofer. This will require source materials that include test tones
and a volt ohm/multi meter.
a) Set the volume around half, play a flat tone 60-80 Hz through your head unit and hit repeat.
Use this same frequency and volume for the entire process.
b) Set your multi meter on ac voltage and connect it to the Positive amplifier's positive and negative
output terminals.
c) Switch the multi meter between the amps and make the necessary adjustments so that the flat
tones produced match. If you have access to two multi meters, simply place one on each amplifier's
terminals and make the adjustments.
2. Adjusting the LPF- In some applications, the bass amplifier needs some help
in boosting or cutting certain frequencies. A parametric equalizer is distinguished from a
conventional equalizer circuit in that it allows the user to control the level of the boost or cut as
well as the center frequency and the bandwidth of the boost or cut the range of frequencies
affected..
The following steps describe what each of the three controls of the parametric Bass EQ do in
isolation. It is important to understand these behaviors, because the must all be considered when
setting up the EQ.
4. Setting the Frequency: Begin listening for the loudest musical spot or range within the bass
range of your sound system. Adjust the center frequency to match this point. For most systems,
the best center frequency adjustment will be between 40-50Hz.Use 45Hz 12 o'clock setting
as a starting point and adjust up or down gradually.
3. Adjusting the HPF- HPF is used for removing sub base frequencies from the smaller speakers
when a subwoofer is. installed in the system. Set filter switch to “HPF”. Adjust variable crossover
frequency with control as desired. The amplifier input circuit filters out everything above 50-1KHZ
(dependent on the adjustment of the frequency control), so only the deepest bass notes are amplified.

510
MODEL:MX 1000.1
MODEL:MX 1000.1
MODEL:AS 100.4

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CONNECTING THE SPEAKERS
MODEL: MX 1000.1
MODEL: AS 100.4
CONNECTING THE SPEAKERS
MODEL: AS 100.4
9

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MODEL: MX 400.1
MODEL: MX 400.1
CONNECTING THE SPEAKERS
MODEL: MX 400.1
MODEL: AS 100.4
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