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MTX Road Thunder Bass Package

RT12A 12" sub enclosure
RT202 2-channel amplifier

Item # 236RTP112

Get everything you need for great bass, and still enjoy big savings.

Get everything you need for great bass, and still enjoy big savings.

Discontinued item

Item # 236RTP112

About the MTX Road Thunder Bass Package

Get everything you need for great bass, and still enjoy big savings. MTX brings you a hard-hitting Road Thunder 12" sub already mounted in a sturdy enclosure, plus a Road Thunder amp to power your rig — a package priced at $230 if purchased separately.

Get everything you need for great bass, and still enjoy big savings. MTX brings you a hard-hitting Road Thunder 12" sub already mounted in a sturdy enclosure, plus a Road Thunder amp to power your rig — a package priced at $230 if purchased separately.

The Road Thunder RT12A features a 12" subwoofer housed in a rugged, sealed enclosure. The Road Thunder subwoofer sports a black polypropylene cone, a foam surround, a rugged stamped steel basket, 35-ounce magnet, and 1-1/2" voice coil for power handling up to 200 watts RMS. The sub has extra stitching around the cone, so the cone and surround won't split when you turn up the juice.

The Road Thunder RT202 amp incorporates many design features originally developed for MTX's celebrated Thunder amps: MOSFET power supply, preamp outputs, built-in high-/low-pass filter (18 dB per octave at 85 Hz), and low-noise circuitry. A great match for the RT12A enclosure, the RT202 pumps out a solid 150 watts when bridged (37.5 watts RMS per channel in 2-channel mode). Smart-Engage™ turns on the amplifier when it senses a signal at the speaker-level inputs — a convenient feature when you're hooking up to a factory radio.

READ LESS

Product highlights:

    RT202 amplifier
    • 37.5 watts RMS x 2 at 4 ohms
    • 75 watts RMS x 2 at 2 ohms
    • 150 watts RMS x 1 bridged output at 4 ohms
    • stereo or bridged mono output (4-ohm stable in bridged mode)
    • Tri-way capable (Tri-Way crossover required)
    • requires 10-gauge power and ground leads — wiring and hardware not included with amplifier
    • selectable high-pass/low-pass crossovers (18 dB/octave at 85 Hz )
    • preamp outputs and inputs
    • speaker-level inputs with SmartEngage (turns the amp on when it detects signal from the receiver)
    • 8-1/8"W x 2-3/16"H x 9-13/16"D
    • warranty: 1 year
    RT12A enclosure
    • 12" Road Thunder sub in sealed enclosure
    • frequency response 31-150 Hz
    • power handling 200 watts RMS
    • sensitivity 93.5 dB
    • 16-1/16"W x 14-1/4"H x 18"D1 x 8"D2
    • warranty: 1 year
    • Our 60-day money-back guarantee
    • MFR # RTP112

    What's in the box:

    • This package contains one amplifier box and the following items:
    • Sealed hatchback-style enclosure loaded with one 12" Road Thunder subwoofer
    • Warranty card
    • "MTX Audio Motorsports" sticker
    • The amplifier box contains:
    • Stereo amplifier with one 20A fuse inserted into the chassis
    • 8" Speaker-level input harness
    • Owner's Manual
    • Amplifier Output Connections/Amplifier Input Connections card
    • Amplifier Performance Certificate
    • "MTX Audio" sticker

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    More details on the MTX Road Thunder Bass Package

    Research Team

    Product Research

    Amplifier Features
    Amplifier Specifications
    Amplifier Inputs and Outputs
    Enclosure Features
    Dimensions

    Amplifier Features

    Patented PWM MOSFET Switching Power Supply: This type of power supply is used for maximum power output and protection.

    Pure N-Channel Design: The pure N-channel design is more linear than typical N-Channel designs, so the speaker you connect to the amplifier will be better controlled. The signal travels through fewer parts so the signal-to-noise ratio is enhanced, the power rating is better, and the amp runs louder, longer.

    Low Impedance, High Power Transformers: The low impedance, high power transformers provide more power and produce less heat.

    Smart-Engage: If you're planning to keep your factory radio and use the amp's speaker level inputs, Smart-Engage senses the source voltage from the factory radio, eliminating the need to run a separate turn-on lead, and possibly to remove the factory radio during installation.

    Real-time Computerized Protection Circuit: The protection circuit makes sure your amp is operating within safe parameters for maximum power and protection.

    Acoustically Seamless Turn-on/Turn-off: A circuit that prevents turn-on/turn-off "thump" is included to eliminate turn-on/off noise.

    Iso-Feet: Four rubber Iso-Feet are attached to the amplifier. The rubber feet let you mount the amp securely, while preventing the mounting screws from coming into contact with the amp's chassis.

    RCA Outputs: In addition to the set of preamp inputs, there is a set of buffered RCA preamp outputs, providing a full-range stereo signal. The outputs allow you to daisy-chain one bass amplifier to another.

    Intelligent Surface Mount Technology: The Intelligent Surface Mount Technology features substantially shorter internal and external lead lengths, reducing stray capacitance and inductance, which results in cleaner and more accurate musical reproduction with less noise interference.

    Crossover: This amplifier is equipped with a fixed 85 Hz, 18 dB/octave, crossover that can be configured for full range, low-pass or high-pass operation. Note: The crossover does not affect the line outputs.

    Terminals: The terminals are nickel-plated, heavy-duty screw terminal connectors.

    Bridgeable: This 2-channel amp can be bridged to power the Road Thunder subwoofer. To bridge the amplifier, you should connect the Left positive terminal on the amp to the positive speaker terminal on the enclosure, and the Right negative terminal on the amp to the negative speaker terminal on the enclosure.

    Performance Certificate: MTX tests each amplifier, and the technician records the "actual" power output on the Certified Performance Certificate included with each amp. The amp must meet or exceed the rated specification in order to leave the factory.

    Amplifier Specifications

    Dynamic Power Measured at 14.4 Volts DC:
    • 50 Watts x 2 into a 4 Ohm load
    • 100 Watts x 2 into a 2 Ohm load
    • 200 Watts bridged into a 4 Ohm load

    RMS Power Measured at 14.4 Volts DC:

    • 37.5 Watts x 2 into a 4 Ohm load
    • 75 Watts x 2 into a 2 Ohm load
    • 150 Watts bridged into a 4 Ohm load

    Amplifier Inputs and Outputs

    Rear of Amplifier:

    • Input: left and right RCA audio jacks
    • Output: left and right RCA audio jacks
    • Amp Crossover Control: 3-way switch for low-pass, full-range, or high-pass operation
    • Speaker Level Input: a 4-pin input for use with the included speaker-level input harness

    Front of Amplifier:

    • +BATT: (power): screw terminal (terminal is 0.54" wide)
    • REM (remote turn-on): (terminal is 0.35" wide) 
    • GND (ground): screw terminal (terminal is 0.54" wide)
    • Speaker Terminals: there are two sets of terminals: L and R (terminals are 0.35" wide)

    Enclosure Features

    Enclosure Impedance: The enclosure is loaded with one 4-ohm 12" Road Thunder woofer.

    Woofer Cone: The woofer cone is constructed of polypropylene, which has a rigid structure for low distortion and accurate sound reproduction.

    Foam Surround: A double row of stitching binds the cone to the foam surround fortifying the structural integrity of the woofer.

    Spring Posts: The nickel-plated spring posts, located on the rear of the enclosure, will accept bare wire, pin connectors, banana plugs, and dual banana plugs.

    Dimensions

    Dimensions:

    • Amplifier: Width=9.765", Height=2.16", D=8.026"(8.108" with RCAs)
    • Enclosure: Width=16.0625", Height=14.25", Depth 1=18", Depth 2=8"

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