Terminator TNP112D 12 inch 200W RMS Vented Enclosure and Mono Block Amplifier

Sub + Amp + Box Subwoofer Packages

Terminator Sub Pack

Unbeatable choice for starter sub

Single Subwoofer Party Pack

The MTX Terminator TNP112D is an unbeatable choice as a first system for audio enthusiasts looking to add bass to their vehicle's stereo system. This single 12" vented enclosure and amplifier party pack is designed to be easy to install, use, and enjoy no matter what type of vehicle you have or music you love.

Everything you need for a great bass system is in this package except wire! Consider adding the amp kit, interconnects and speaker wire to your cart (shown below).

Availability: Out of stock
Sold Individually
Share this MTX page...

Thunder Bass

Hard hitting 12 inch MTX subwoofer

Designed For SPL

Rock your car and the neighborhood!

Easy Installation

Mounts quickly in most trunks and SUVs


TNP112D Highlights

  • Single 12" Vented Enclosure
  • 400W Peak Power, 200W RMS Power
  • 200 Watt Mono Block Amplifier Included
  • 5/8" MDF Construction


"Gives a clean sound for an open trunk as i have a hatch back car. Just one 10' does the job for my daily driver. Thanks MTX Audio and Josh the rep who took care of me on this purchase."

Johnny, 4/1/2013, TNP112D Review

Subwoofer Power

The included vented enclosure in the TNP112D party pack features a single 12" subwoofer designed to deliver 400 watts of Peak power. The unit features Spider Plateau Venting mechanically cooling to ensure cool air is targeted at the voice coil. Additionally, the subwoofer features a high roll rubber surround capable of handling the extreme levels of excursion.

Enclosure Technology

The TNP112D features 5/8" MDF (medium density fiberboard) construction finished with aviation grade carpet ensuring durability. The integrated vent delivers excellent SPL from a small enclosure.

Amplify Your World

The TNP112D includes a single channel amplifier capable of delivering 200 watts RMS power to the included enclosure. An extruded aluminum heatsink helps dissipate heat and the small chassis design makes it easy to install anywhere.


  • 5/8" MDF Construction
  • Ported Design for Increased Low Frequency Output
Tech Specs
Subwoofer Single 12"
RMS Power (Watts) 200
Height 17.25"
Width 21.38"
Bottom Depth 15.25"
Top Depth NA
Weight 47.4 lbs.
Support Files
TN250-1InstallWiring (1 page) View |  Download
Customers who bought this item also bought

Terminator TNP212D2 Dual 12 inch 400W RMS Sealed Enclosure and Mono Block Amplifier

The Party Pack

The MTX Terminator TNP212D2 is an excellent all-in-one solution for anyone looking to add bass to their vehicle's audio system. The Party Pack is 400 Watts and two heavy twelves of a rocking concert-in-a-box!

Everything you need for a great bass system is in this package except wire! Consider buying the Complete TNP212D2 subwoofer package with all wiring included, or add your choice of amp kit, interconnects and speaker wire to your cart (shown below).

Loaded Enclosure With Strong Amp

This package includes the TNP212D2, a dual 12" sealed subwoofer enclosure and the included TNA251, a single channel amplifier specifically designed to work with the enclosure. For over 40 years MTX Audio has been making car audio electronics designed to deliver more than expected and that is exactly what this package offers.

$299.95 $249.95
Availability: In stock

THUNDER65 6.5 inch 2-Way 60W RMS 4 Ohm Coaxial Speaker Pair

MTX THUNDER681 Speaker Components Back Logo

THUNDER Series speakers are designed to compliment any installation while delivering a full range sound experience for all types of music. Get the most out of your music and hear it as the artist performed it.

Rich Bass

The THUNDER65 is a 6.5" 2-way coaxial speaker pair that can handle up to 60-watts RMS power. THUNDER speakers are set apart from the "other guys" because of its ability to reproduce low frequencies that other speakers cannot reproduce.

Pivoting Tweeter

$109.95 $99.95
Availability: In stock

TX Series TX6 6.5 inch 2-Way 90W RMS 4 Ohm Component Speaker Pair

6.5" 2-Way 90W RMS 4 Ohm Component Speaker Pair

Availability: Out of stock