Introduction
Thank you for choosing MTX to help reach the ultimate goal with your vehicle. Adding MTX amplifi ers and
1% THD+N
1% THD+N
1% THD+N
1% THD+N
1% THD+N
THD+Noise (Distortion) (1 watt):
.1%
ARC: Cut 0-15dB, Freq. 200Hz
• Color – The backlit controls offer unlimited colors on the display -- from RED, GREEN, and BLUE to any color
• EFX – You can switch Prizm EFX lighting to “pulsate” with the beat of the music.
volumes.
• Low Level Input – Source units with an output signal level of 100mV–10V may be used. See Input Sensitivity
for proper voltage level setting.
• High Level Inputs with Smart Engage™ – All MTX amplifi ers allow high level inputs through RCA type input
Specifi cations
Features
• Smart-Engage™ Auto-Turn-On - An auto-turn-on circuit is included within the amplifi er. A remote turn-on
wire is not necessary when connecting the amplifi er’s high level input to a high-powered source unit (car
X1 POSITION: 100mV–1V (Typically for RCA Input)
X10 POSITION: 1V–10V (Typically for Speaker Level Input)
the low pass crossover range can be selected from 40Hz–350Hz at 24dB per octave with a mono output. The
the subwoofers. The subsonic feature includes a selectable on/off switch and a control knob used to adjust.
within the vehicle for remote adjustments.
• 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 amplifi er on/off, this terminal must be connected to the source unit’s “remote or electric
• +12V: The power wire from this connection must be attached to the positive side of the vehicle battery.
• CAP+: Capacitor Positive Input - The ideal connection point for the positive sides of the capacitor to increase
the amplifi er’s performance.
• CAP-: Capacitor Negative Input - The ideal connection point for the negative side of the capacitor to increase
the amplifi er’s performance.
Before Starting
the following tools:
• Electric drill
• Phillips bit or screwdriver
• 1/8” bit
• Wire cutters/crimpers
• Safety glasses
• X-Acto knife
vehicle computers. Use high quality twisted pair interconnect cables to decrease the possibility of radiated
• Using RCA Connections: If the source unit has RCA outputs, simply attach a signal cable from source unit to
• Using Speaker Level Connections: If the source unit does not have RCA outputs, a high level signal can be
vehicle’s rear speaker wiring. Connect the left negative speaker wire to the green with black stripe wire on the
for the right speaker connection using the purple wire. Now plug the RCA connectors, located on opposite
terminals, under the carpet, and through the factory rubber boot (loom) that protects the wires in the inner
When connecting the speaker wires to the amplifi er please observe the printed polarity markings on the
• Stereo (2-channel) Connection: This confi guration is typically used with full range or high frequency
• Bridged (1-channel) Connection: This confi guration is typically used with subwoofers. Both channels
Installation
Mounting
Connections
When connecting the power wires to the amplifi er please observe the printed markings on the amplifi er’s
• +12V: This is the main power input for the amplifi er and must be connected directly to the positive terminal
• GND: This is the ground connection for the amplifi er and must be connected directly to the metal chassis
The gauge of the power and ground wire is often an overlooked aspect of amplifi er installation. The more power
the amplifi er 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 amplifi er. The larger gauge (diameter) wire will hold more
voltage over longer runs. Also, by having a larger diameter ground wire the amplifi er can run more effi ciently.
• REM: This connection turns the amplifi er 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.
• CAP+: This 4 gauge terminal is internally wired in parallel with the +12V on the StreetWires Power connector.
• CAP-: This 4 gauge terminal is internally wired in parallel with the GND on the StreetWires Power connector.
following the feature setup and adjustment steps.
Feature Setup and Adjustments
the control panel.
• Setting for Aftermarket Source Units: Refer to your aftermarket owner’s manual for line level output
X1 POSITION: 100mV–1V (Typically for RCA Input)
• Setting for Factory (OEM) Source Units: To check the amount of voltage that is present from the source
X10 POSITION: 1V–10V (Typically for Speaker Level Input)
You want to set the gain levels properly BEFORE applying any equalization.
• Setting for Subwoofers: First enable the electronic crossover by selecting the “ON” position of the X-OVER
the subwoofer and mids to provide greater musical detail.
• Setting for Components and Separates: First enable the electronic crossover by selecting the “ON” position
This crossover network allows the drivers to recreate the frequencies within a precisely designed range so
that the speakers do not become distorted by trying to reproduce frequencies that they are physically unable
to reproduce. This feature ensures that the components or separates do not receive low bass notes. The 12dB/
• Setting for Full Range (No Crossover): To disable the electronic crossover, select the “OFF” position of the
X-OVER switch. This setting will allow the amplifi er to play all frequencies.
frequencies of 30 Hz and below from your subwoofer system. Use this feature if the subwoofer breaks up at
The following steps describe what each of the three controls of the parametric Bass EQ do in isolation. It is
• Setting the Q: The “Q” feature can be adjusted to affect a range of frequencies from as wide as 0.5 to as
you a broader (and usually more natural-sounding) effect. A “Q” of “1.6” (10 o’clock setting) is a good starting
• 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
• Setting the Boost/Cut: Once you determined the loudest musical spot or range within the bass range of your
turning the Pot located on the top control panel clockwise you to CUT 200Hz up to 15dB. This allows you to
to your personal taste.
• Selecting Colors: You can change the backlit colors simply by turning the dial labeled PRIZM COLOR located
• Selecting the EFX Feature: You can switch Prizm EFX lighting to “pulsate” with the beat of the music. Simply
turn this feature on or off.
Trouble Shooting
No +12V at Power connection Supply +12V to terminal
Insuffi cient ground connection Verify ground connection
Blown power fuse Replace fuse
Speaker connections not made Make speaker connections
Gain control on amplifi er off Turn up gain
Signal processing units off Apply power to signal processor
All speakers blown Replace speakers
Amplifi er gain set too high Lower amplifi er gain
RCA inputs reversed Reverse RCA input
phase
Not using MTX woofers Buy MTX woofers
Amplifi er defective Return for service
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