MTX Audio Terminator TNP212D

Amplified and Loaded Dual 12" Enclosed Subwoofer System

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• Amplified and Loaded Dual 12" Enclosed Subwoofer System
• 1200W Peak (2 Subs)
• 400W RMS (2 Subs)
• 48oz. Magnet
• Terminator Series Class D Monoblock Car Amplifier
• Built-in Adaptive Cooling Fans
• Smart Engage Auto Turn-On Circuitry

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MTX created the Terminator series amplified sub system with one thing in mind: to terminate the competition who make inferior quality loaded woofer systems. They did a great job with this system as they thoroughly tested their TN250/1 Class D monoblock amplifier with the two Terminator 12" subwoofers and matched them in the perfect enclosure. Because they built the enclosure to perfect specifications for the subs and amp combo, they allow you to leave your fear of a bad system at the door and instead enjoy hours of clean, loud bass at an unbeatable price.

TNE212D Dual Loaded Subwoofer Enclosure Features:

  • 2 12" Terminator Series Subwoofers Included
  • Power Handling:
    • Peak: 1200 watts per pair / 600 watts each sub
    • RMS: 400 watts per pair / 200 watts each sub
  • 2" Aluminum single 4 ohms voice coil
  • Rubber Surround
  • Polypropylene Cone
  • MTX Audio Logo on Dustcap
  • 48oz. Magnet
  • Frequency response: 37-150 Hz
  • 1-year Manufacturer's warranty (on subwoofers only)

Enclosure Features:

  • Dual 12" Sealed Sub Enclosure
  • 5/8" MDF Solid Contruction
  • Durable Black Carpeting
  • Terminator Logo Embroidered into Carpet Front
  • Dimensions: 14"H x 29-1/2"W x 13-1/2"D1 x 11"D2

TN250/1 Monoblock Amplifier Features:

  • Terminator Series Class D Monoblock Car Amplifier
  • RMS Power Rating:
    • 2 ohms: 200 watts x 1 chan.
  • Max power output: 400 watts x 1 chan.
  • LED power and protection indicators
  • Selectable bass boost (0, 6, 12 dB at 40 Hz)
  • Mono gain control
  • Smart engage auto turn-on circuitry
  • Built-in adaptive cooling fans
  • Fixed low-pass filter (85 Hz, 18 dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 20-85 Hz
  • Dimensions: 13-1/16"L x 10-3/16"W x 2-1/4"H
  • 4-gauge power and ground leads recommended. Contact us for information regarding a discount on a select amplifier kit when purchased together.
  • 1-year Manufacturer's warranty (on amplifier)
Read more about the TNP212D at our blog!

Product history:

MTX TNP212D2 thumbnail
(newest, current model)
MTX TNP212D thumbnail
(previous model, replaced by MTX Audio TNP212D2 Terminator Dual Subwoofer Package + Amplifier)

Specifications & Details

Subwoofer Amplifier Power Specifications
RMS Power @ 4 ohms
100 watts x 1 channel
RMS Power @ 2 ohms
200 watts x 1 channel
RMS Power @ 1 ohm
Not Stable
Peak Power Output
400 watts x 1 channel
Amplifier Specifications
Amplifier Class
Number of Channels
1 - Mono
Maximum Input Gauge Size
THD at Rated RMS Power
Speaker Level Inputs
Preamp Outputs
Built-in Crossover
Low-Pass (LP)
Low-Pass Crossover Frequency
85 Hz
Signal-to-Noise Ratio
73 dB
Bass Boost
Selectable 0, 6, 12 dB
Remote bass/level controller
Fuse Rating
25A x 1 
CEA-2031 Compliant
Subwoofer Specifications
Subwoofer Size
RMS Power Handling
400 watts
Total RMS Power Handling
800 watts
Peak Power Handling
1200 watts
Total Peak Power Handling
2400 watts
Woofer Surround
Woofer Composition
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Frequency Response
37 - 150 Hz
Subwoofer Design
Round / Circle
Enclosure Specifications
Box Type
Number of Subwoofers
Box Style/Shape
Second Width
Wood Thickness
Number of Terminals
Terminal Type
Binding posts
Box Exterior Color
Box Finish
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details



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Customer Ratings & Reviews

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Customer Reviews

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Not A bad buy

The following review is for TNP212D2, which is a part of the bundle you are viewing.

I thought for the price it would be a great package. And actually, it is. It'll rattle your car and the car next too you. Even with the little amp such as it is. And it you get a bass reconstructor, woo, It'll sound better than most packages. Get this, and you'll love it every second.

By Isaac on July 15, 2010


found this helpful.

Pretty dang amazing

The following review is for TNP212D2, which is a part of the bundle you are viewing.

It's funny that I really only got these because it was a cheap package, but they actually bump hard. Some of my friends have spent over $700 on packages and my $250 set up is just as good as theirs. I love these subs and go great in my mini van, yea that's right subs in a mini van be jealous.

By Kevin on June 7, 2010


found this helpful.

Great value

The following review is for TNP212D2, which is a part of the bundle you are viewing.

Like every one says great subs but the amp is under powered. I have mine subs hooked up to a 500 watt MTX mono block, never had a problem. Great buy would recommend to anyone. Thanks sonic for another easy buy.

By JDM on December 30, 2014


found this helpful.

outstanding products

The following review is for TNP212D2, which is a part of the bundle you are viewing.

I would recommend this product because of the great price and outstanding sound for my vehicle. ..two thumbs up !!

By Zack on June 12, 2014


found this helpful.


The following review is for TNP212D2, which is a part of the bundle you are viewing.

Great subs for my first buy great price for bundle. I just need some voice subs and/or bigger amp

By prodigykid on March 14, 2014


found this helpful.

pretty good

The following review is for TNP212D2, which is a part of the bundle you are viewing.

Ive got a 2002 honda accord, and when i say these this beat .... these things beat the amp is garbage though i had to buy another amp so get the subs and ditch the amp

By bass gawd on October 3, 2014


found this helpful.

Great Buy

The following review is for TNP212D2, which is a part of the bundle you are viewing.

Great value. Sounds great, no complaints. Definitely worth the money. You can't beat this package for the price. Goes without saying there are better speaker/amp combos out there, but for $219, you cannot top this.

By Michael on January 5, 2012


found this helpful.


The following review is for TNP212D2, which is a part of the bundle you are viewing.

I'd say its a good set up for new sub users, good sound, easy install and loud specially for the price

By big r on May 16, 2011


found this helpful.

decent value...need bigger amp

The following review is for TNP212D2, which is a part of the bundle you are viewing.

Good subs. The only bad thing is the amp isn't powerful enough for these subs. I wasn't driving longer than 30 mins in my car before the amp overheated and shut off. I had to come back to this website and get a bigger amp. Unless you have the bass turned down really low then this amp WILL OVERHEAT AND SHUT OFF!!

By Colt on February 25, 2011


found this helpful.

big beats

for an off brand system these two subs i put in the back of my honda civic are great! no one in my town had heard of MTX Terminator speakers before, i got "well what about sony explode" or "dude i can get you some Alpines for pretty cheap" but now everyone in my town has "heard" of MTX Terminator speakers (from my trunk). now i got kids copying my brand of speakers.

*Admin Note: MTX is not an off brand, it is one of the leading manufactures in car audio.*

By Nick on March 22, 2010


found this helpful.


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