MTX Audio TNP212D2 Terminator Dual Subwoofer Package + Amplifier

800W Peak (400W RMS) Dual 12" Terminator Series Loaded Subwoofer Bass System with Amplifier and Bass Knob Included

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• 800W Peak (2 Subs)
• 400W RMS (2 Subs)
• 48oz. Magnet
• Terminator Series Class D Monoblock Car Amplifier
• Heavy 5/8" MDF Construction
• Black Carpeting

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MTX TNP212D2 12" 1200W Dual Car Subwoofer Box + Amplifier and Install Kit

Dual 12" Amplified Terminator Loaded Subwoofer Bass System with Install Kit



Product Highlights

• 800W Peak (2 Subs)
• 400W RMS (2 Subs)
• 48oz. Magnet
• Terminator Series Class D Monoblock Car Amplifier
• Heavy 5/8" MDF Construction
• Black Carpeting


MTX brand icon

Authorized dealer

MTX Audio Terminator Party Pack

Newly released is the newest addition to the MTX Terminator line of loaded enclosures. 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 TNA-251 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.

Authorized MTX Dealer

TNP212D2 Dual Loaded Subwoofer Enclosure Features:

  • 2 12" Terminator Series Subwoofers Included
  • Power Handling:
    • RMS: 400 watts
  • Recommended power range: 200 - 400 watts RMS
  • 2" Aluminum 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
  • Internally wired to a 2ohm final load
  • 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

TNA251 Monoblock Amplifier Features:

  • Terminator Series Class D Monoblock Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 150 watts x 1 chan.
    • 2 ohms: 250 watts x 1 chan.
  • Max power output: 600 watts x 1 chan.
  • LED power and protection indicators
  • Mono gain control
  • CEA-2006 compliant amplifier
  • Speaker-level (high-level) inputs
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heat-sink for extreme heat dissipation
  • Variable high-pass filter: 40 - 400Hz, 12 dB/octave
  • Variable low-pass filter: 40- 400Hz, 12dB/octave
  • Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
  • Fuse Rating: 30A x 2
  • Dimensions: 12-1/4"L x 7-1/8"W x 2-1/4"H
  • 8 gauge power and ground wiring is recommended for installation. Contact us for information regarding a discount on select amplifier kits from our website when purchased together with this amplifier. Click Here for our contact information.
  • 1-year Manufacturer's warranty (on amplifier)

Read more about the MTX TNP212D2 in 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

Terminator Series
Full Range Amplifier Power Specifications
RMS Power @ 4 ohms
150 watts x 1 channel
RMS Power @ 2 ohms
250 watts x 1 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
Not Bridgebale
Peak Power Output
600 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
1 pair
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
40 - 400 Hz
Low-Pass Crossover Frequency
40 - 400 Hz
Bass Boost
0 - 12 dB
Remote bass/level controller
Fuse Rating
30A x 2 
Subwoofer Specifications
Subwoofer Size
RMS Power Handling
400 watts
Total RMS Power Handling
400 watts
Peak Power Handling
1200 watts
Total Peak Power Handling
1200 watts
Woofer Surround
Woofer Composition
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
90 dB
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
Amplifier Wiring Kit
Is Amplifier Wiring Kit included?
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details



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Product and How-to Videos

Customer Ratings & Reviews

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Customer Reviews

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Not A bad buy

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

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

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

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.


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.

Great Buy

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.

pretty good

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.


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

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.

Not bad

This is a great combo package for the price. The subs hit hard and make some pretty good bass but the only drawback is the amp. The amp is too underpowered by the subs and will overheat and switch off which is really frustrating when your bumpn, but just get a larger amp and its all good.

By That Guy on November 23, 2011


found this helpful.


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