MTX Audio XT110P User Manual

XT110P OWNER’S MANUAL

Thank you for purchasing the X ThunderLink Amplifi ed Subwoofer System. To be sure you get the most from your
new system, please read this manual carefully and follow the precautions and instructions.

SPECIFICATIONS

Power Output: 100 Watts RMS @ 4 Ohms
THD+N (Distortion) (1 Watt): < 0.25%
Signal-to-Noise Ratio (1 Watt): > -90dB
Dimensions: 15

5

⁄8” x 12 1⁄8” x 8 5⁄8”

PRECAUTIONS

To reduce the risk of accident and fi re, please observe the following warnings:

• Use with 12VDC only

• Use 10 gauge or larger power and ground wire

• Connect the power wire directly to the positive terminal of the vehicle’s 12V battery. Be sure to use an
in-line fuse within 18” of the battery on the power wire connected to the positive terminal.

• In the event of a blown fuse, replace the fuse with a 20A fuse only. Any other fuse value could result in
damage to your product.

• Securely fasten ground to bare metal close to vehicle frame (not factory bolts).

WARNINGS

• The X ThunderLink will not operate when an external protective function is enabled. To restore normal
operation, eliminate the protective function before disconnecting and reconnecting power to the
X ThunderLink.

• Normal operation of the X ThunderLink will cause the surface to heat up. Do not install this product
near heat sensitive materials to avoid fi re and other damage.

• Securely mount the X ThunderLink to your vehicle in a safe location to prevent damage to the product
and bodily injury in the event of an accident. Use the mounting brackets provided.

• Do not install this product where it will be exposed to moisture, extreme heat, or will interfere with
normal driving.

SYSTEM PROTECTION FEATURES

• The X ThunderLink is designed to operate from 8VDC to 17VDC. Voltage outside this range will cause
the unit to not operate properly.

• The X ThunderLink is equipped with a thermal protection circuit to prevent damage. A Red LED will
illuminate if the amp goes into thermal protection mode.

MOUNTING INSTRUCTIONS
VERTICAL MOUNTING:

1. Choose a suitable location (preferably the trunk) to install the X ThunderLink that observes all
warnings and installation instructions previously stated.

2. Snap the two vertical mounting brackets into place on the bottom of the X ThunderLink using the
molded indentations as a guide. Be sure the molded nut on the bracket is opposite the control panel to
provide easy access to the control panel for fi ne tuning (See Figure 1).

3. Insert one of the provided bolts through each of these bottom two holes in the X ThunderLink and
securely fasten the bracket using a screwdriver. Note: You will only use two bolts when mounting
the X ThunderLink vertically.

4. Securely mount the X ThunderLink to the vehicle through the screw holes in the mounting brackets
with the screws provided.

FIGURE 1

HORIZONTAL MOUNTING:

1. Choose a suitable location (preferably the trunk) to install the X ThunderLink that observes all
warnings and installation instructions previously stated.

2. Snap the four horizontal mounting brackets into place, using the molded indentations as a guide. Be
sure the molded nut on the bracket is opposite the control panel to provide easy access to the
control panel for fi ne tuning (See Figure 2).

3. Insert one of the provided bolts through each of the holes in the X ThunderLink and securely fasten
the bracket using a screwdriver.

4. Securely mount the X ThunderLink to the vehicle through the screw holes in the mounting brackets
with the screws provided.

FIGURE 2

INCLUDED ACCESSORIES

20A Fuse (1) Wire Harness (2) Remote Control (1)

Vertical Mounting
Bracket (2)

Horizontal Mounting
Bracket (4)

M5x190 Bolt (4) Self Tapping

Screw (4)

AMPLIFIER CONTROLS AND POWER WIRE CONNECTION

1. Power Terminals
a. +BATT—connect to the positive terminal of the vehicle’s battery
b. REM—connect to the Remote Turn On lead from the source unit
c. GND—connect to a solid metal piece of the vehicle’s chassis (be sure to scrape away any paint
to reveal bare metal where the ground will be attached)

2. LED Indicator—green indicates normal operation. Red indicates Thermal Protection mode

3. Fuse (20A)

4. Remote Control Input

5. Low Level RCA Inputs—use to send audio signal from source unit. Do not use with High Level Signal
Inputs (#9)

6. Auto-sensing Turn On Switch—set to OFF to turn the X ThunderLink on or off from the Wired Remote.
Set to AUTO to automatically turn the X ThunderLink on when an input signal is received and
automatically turn it off when the signal is absent for 30 seconds.

7. Phase Switch

8. Remote Control Switch—set to ON to use the included Wired Remote Control. Set to OFF to make
adjustments from the onboard control panel only.

9. High Level Signal Inputs—use to send audio signal from source unit. Do not use with Low Level RCA
Inputs (#5)

FRONT PANEL CONTROLS
POWER—LED illuminates when the system is turned on.
BASS BOOST—select a boost level between -3dB and +3dB to enhance the bass performance for your

sound system. BASS BOOST is NOT free! Every 3dB of boost costs you twice as much in power.
Make sure to set the fi nal volume after setting the Bass Boost to work best with your system. More is NOT
always better!

CROSSOVER—select a Low Pass crossover frequency from 30Hz to 150Hz.
VOLUME—select a volume for the system that works best with your BASS BOOST setting and your listening

preference.

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Refer to the included wiring harnesses for the Universal Interface Color Code:

White: front left +
White/black: front left –
Gray: front right +
Gray/black: front right –

Green: rear left +
Green/black: rear left –
Violet: rear right +
Violet/black: rear right –

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TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION

Bad connection of the
power wire, ground wire, or
remote wire

Blown fuse Replace fuse (20A)

Input not connected Reconnect the inputs

No signal from source

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POWER BUT NO SOUND

Automatic turn-on switch set
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OUTPUT IS MUDDY OR

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DISTORTED

Volume is set too high Lower volume

Bass Boost is too high Lower Bass Boost

Head unit output is distorted or
blown

The RCA signal wire is too close
to the main power wire in the
vehicle

ENGINE NOISE

Inadequate ground

5

Check all connections and wiring

Verify source is providing signal to
amp input

Switch to AUTO and reset source
signal

Replace head unit, try a different
source

Rewire signal wire further away or
shield wire

Check to make sure ground point
is clean and securely connected
to bare metal close to the vehicle’s
frame