RoadThunder RT8PT 8" 120W RMS Amplified Vented Enclosure

MTX Engineered:

RoadThunder Bass Tube

Serious bass from an easy-to-use, amplified subwoofer enclosure

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Compact Size, Huge Performance

Don't be fooled by the compact size of the RT8PT Tube, this amplified and vented bass tube is designed to deliver bass like only MTX can. This low profile unit can be installed in virtually any vehicle without sacrificing space. The 8" subwoofer, integrated amplifier, and vented enclosure delivers bass you have to experience to believe.

RT8PT: Why Choose It?

  • Integrated 120 Watt RMS Amplifier
  • 8" High Output Subwoofer
  • Vented Enclosure Design
  • High and Low Level Inputs for Easy Connection to Any Source

Designed With 40 Years of MTX Experience

This universal amplified enclosure was designed for new enthusiasts looking to experience the awesome joy of adding great bass to their music, and for those hard core bass fans who unfortunately had to grow up and can no longer drive around with three 15" subs in their trunk.

Elevate Your Sound

RT8PT InstalledThe 8" high output woofer used in this unit includes a lightweight and durable polypropylene cone that moves air more efficiently for impressive bass output that you can feel as well as hear.

The integrated class D amplifier can deliver up to 120 watts RMS power to the subwoofer using either high or low level inputs, so it is easy to connect to any type of radio.

The Tube comes with two straps to securely mount it anywhere on the floor. This technique means you can also loosen the straps and conveniently remove it when you want the floor space to haul more cargo, or put it in another vehicle for the vacation trip coming up.

The unit also includes an external bass control that can be connected to the amplifier and mounted near the driver allowing for subwoofer volume adjustment on the go.

This enclosure is an easy to use and install upgrade that any music enthusiast can take advantage of with little investment. And get ready to rock, ‘cause this package is gonna boogie your booty.


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Amplifier Power Output: 120 Watts RMS
8" High performance subwoofer in a carpeted, vented enclosure
High Level and RCA inputs for easy connection in any system set up.
External Bass Control is included for convenient control of volume from front of vehicle.
RMS Power (Watts) 120
Subwoofer Single 8"
Height 9.84"
Width 21.25"
Bottom Depth 9.84"
Top Depth NA
Weight 20.8 lbs.
Subwoofer Mounting Depth NA
Enclosure Volume NA
Owners Manual manual-rt8pt.pdf
50Hz Frequency Test Tone
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