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
THD+Noise (Distortion) (1 watt):
.25%
ThunderEQ: Boost 0-18dB, Freq. 40Hz
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.
• Low Level Input – Source units with an output signal level of 100mV–10V may be used. See “Input
• High Level Inputs with Smart Engage™ – All MTX amplifi ers allow high level inputs through RCA type input
• 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
Specifi cations
Features
X1 POSITION: 100mV–1V (Typically for RCA Input)
X10 POSITION: 1V–10V (Typically for Speaker Level Input)
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’s battery.
• CAP+ - Capacitor Positive Input - The ideal connection point for the positive side 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
Installation
• Using RCA Connections: If the source unit has 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
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
wire is used for the front right.
When installing the speaker wires, please take proper measures to protect them. For example, when
When connecting the speaker wires to the amplifi er please observe the printed polarity markings on the
These amps will have eight speaker terminals: front left positive, front left negative, front right positive, front right
• Stereo (4-channel) Connection: This confi guration is typically used with full range or high frequency
• Front Stereo/Rear Bridged (3-channel) Connection: This confi guration is typically used with full range
• Bridged (2-channel) Connection: This confi guration is typically used with subwoofers. Both the front and rear
• Dual Mono (1-channel) Connection: This confi guration is typically used with subwoofers. All channels can be
Mounting
Connections
• +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 8 gauge terminal is internally wired in parallel with the +12V on the StreetWires Power connector.
• CAP-: This 8 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)
• Setting for Subwoofers: First enable the electronic crossover by selecting the “ON” position of the X-OVER
the subwoofer and the mid to provide greater musical detail.
• Setting for Components and Separates: First enable the electronic crossover by selecting the “ON” position
frequencies from 120Hz to 20kHz. This crossover network allows the drivers to recreate the frequencies within
that they are physically unable to reproduce. This feature ensures that the components or separates do
• 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.
• 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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