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MTX TNP212D2

Dual 12" Amplified Terminator Loaded Subwoofer Bass System

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List price $349.99

$249.95

with warranty

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Order within 4 hrs 9 mins to ship 4/21

Arrives by Wednesday, Apr. 23 to zip 20147

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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.

TNP212D2 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
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
  • Selectable bass boost (0, 6, 12 dB at 40 Hz)
  • Mono gain control
  • Smart engage auto turn-on circuitry
  • Variable low-pass filter (40-400 Hz, 12 dB/octave)
  • Variable high-pass filter (40-400 Hz, 12 dB/octave)
  • CEA-2006 compliant amplifier
  • Maximum input signal: 6V
  • Maximum sensitivity: 100 mV
  • Frequency response: 20-30,000 Hz
  • Dimensions: 12-1/4"L x 7-1/8"W x 2-1/4"H
  • 8-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 MTX TNP212D2 in our blog!

Product History:

MTX TNP212D2 thumbnail
(newest, current model)
MTX TNP212D thumbnail
(previous model, replaced by MTX TNP212D2)

Amplifier Power Specifications

RMS Power @ 4 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 4 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

150 watts x 1 channels
RMS Power @ 2 ohms

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 2 ohms, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

250 watts x 1 channels
RMS Power @ 1 ohm

The RMS power rating is the measure of continuous power that an amplifier can output, or a speaker can handle. It is the most accurate depiction of real, continuous power that the industry has so far.

If the final impedance of your speakers or subwoofers equals 1 ohm, this is how much power this amplifier will supply at that ohm level. The higher the RMS wattage, the more clean and loud your music will sound.

Not Stable
Bridged RMS Power

Bridging refers to combining two channels on an amplifier to create one channel with double the voltage and an increased power output. A 2-channel amplifier will bridge down to 1-channel and a 4-channel amplifier can bridge to create 2-channels. An amplifier is most commonly bridged to drive a subwoofer.

Remember, once you bridge two channels down to one its final impedance will be 4 ohms unless otherwise specified. This rating lists the RMS power created once an amplifier is bridged.

Not Bridgebale
Peak Power Output
This form of power rating refers to the maximum amount of power an electronic device can handle or output in an instant without damage occurring. Often times this maximum is achieved during a brief musical burst, such as a drum accent, or low bass hit.

Some manufacturers display peak power ratings on the face of their products to increase the appeal to consumers. The RMS power rating is more accurate, and we recommend using it for product comparison.

600 watts x 1 channels

Amplifier Specifications

Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

D
Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
1 - Mono
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

600 watts
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

250 watts
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
8 AWG
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
2 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Not Bridgeable
THD at Rated RMS Power
The amount of change in harmonic content of the signal as it is amplified. A lower figure indicates less change and a more accurate amp. THD below 0.10% is inaudible.
<1%
Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
No
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
No
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Low-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency
The high-pass crossover frequency can be a fixed crossover point or a variable crossover range. A variable high-pass crossover allows you to select a specific crossover point which allows frequencies above the set crossover point to pass, while making frequencies below the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

40 - 400 Hz
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover point or a variable crossover range. A variable low-pass crossover allows you to select a specific crossover point which allows frequencies below the set crossover point to pass, while making frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.

The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation (lowering of volume) outside their pass bands.

40 - 400 Hz
Bass Boost
The objective of the bass boost is to get more kick out of your subwoofer. It is a circuit that emphasizes the lower frequencies at a given point. The bass boost should always be set first before setting the gain. This feature is known for destroying subwoofers and is commonly used incorrectly, so be cautious.
0 - 12 dB
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
No
Fan Cooled
A great feature to have if an amp generates a large amount of heat. Cooling fans can help regulate the temperature to prevent the amp from overheating (burning).
No

Subwoofer Specifications

Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
12"
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Single
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
200 watts
Total RMS Power Handling
This is the total RMS power handling of all the subwoofers included in the package or enclosure.

If the loaded enclosure or amplifier and subwoofer package includes more than a single subwoofer, then this is the total RMS power handling for all of the subs combined.

The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend giving your subwoofer(s) 75% - 90% of the recommended RMS rating.
400 watts
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
600 watts
Total Peak Power Handling
This is the Total Peak Power handling of all the subwoofers included in the package or enclosure.

If the loaded enclosure or amplifier and subwoofer package includes more than a single subwoofer, then this is the total peak power handling for all of the subs combined.

Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements.
1200 watts
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Rubber
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Polypropylene

Enclosure Specifications

Box Type
Represents the style of the enclosure. Be sure to purchase the appropriate enclosure type and internal volume that will be compatible with your subwoofer's recommendation.

Sealed - Sealed boxes are those that have no holes or vents in it. The only hole in a sealed box is where the subwoofer is installed. Smaller sealed boxes require more power than a larger sealed box. They provide a tight, accurate bass, while the larger sealed enclosures provide a "boomier" and louder bass.

Ported / Vented - Ported/Vented Enclosures provide an even boomier, louder bass, but less accurate then a small, sealed box. Ported enclosures typically require more airspace per sub and also less power output from an amplifier to perform correctly.

Bandpass - Bandpass enclosures make subwoofers perform efficiently, but loose. The bass is not as "boomy" as a ported enclosure nor as punchy as a sealed enclosure. Bandpass enclosures work well with lower to mid-level subwoofers.
Sealed
Number of Subs/Speakers
This value represents the number of speakers or subwoofers that the enclosure accommodates.
2
Box Style/Shape
The box style or shape refers to the actual shape of the box. Square and rectangular boxes are straight-edged boxes on all sides, whereas hatchback and truck style enclosures feature an angled front or back design that allows for installation in places short on depth such as single cab pickup trucks. You can also use such enclosures in hatchback cars or other vehicles where space is a premium. Tube and cylinder shaped boxes were made popular by Bazooka and are a great option for those looking for a nice amount of bass without sacrificing lots of space. They may even fit in locations that slim truck boxes cannot fit in. If the enclosure is vehicle specific, we encourage you to read the product description to find out which vehicles the enclosure is made for.
Square/Rectangle
Height
The height of the item, measured from top to bottom, in inches.
14"
Width
The width of the item from left to right (side-to-side) measured in inches.
29-1/2"
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
13-1/2"
Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
11"
Wood Thickness
The thickness of the wood the enclosure is made of, measured in inches.
3/4"
Number of Terminals
The number of terminals the enclosure has. Each terminal represents 1 positive and 1 negative.
2
Terminal Type
Spring clip terminals work best with bare wire connections with small-gauge speaker wire, or pin-type connectors.

Binding post terminals are a sturdier, more versatile type of speaker terminal. Because binding post terminals are are threaded, you can tighten them down against the wire or connector for a tight, clean connection. The most popular style of binding post terminals is known as a "5-way binding post". This type can accept bare wire, or any of the common speaker wire connectors. Binding posts with the option to be used with banana clips are even more versatile

Spring posts are a hybrid of the two. Instead of using a thread and "screwing" them tight, they use a spring to allow the wire to fit and tighten against the terminal.

Binding posts
Box Exterior Color
The color of the enclosure's exterior/outer finish.
Black
Box Finish
The material used on the outside of the box. Most boxes are carpeted to prevent exterior scratches; however vinyl is popular as it can often be color-matched to a near exact look of your leather factory interior.
Carpet

Specials with this Item

Promotions
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On Sale

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
65%
4 Star
26%
3 Star
5%
2 Star
2%
1 Star
2%

Average Attribution Rating

Durability
4.5
Value
4.7
Features
4.4
Design
4.7
Usability
4.6

Isaac

Huntington, WV

Overall
Durability
Value
Features
Design
Usability

Not A bad buy

July 15, 2010

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.

7 of 7 found this helpful

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Kevin

Mc Farland, WI

Overall
Durability
Value
Features
Design
Usability

Pretty dang amazing

June 7, 2010

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.

7 of 7 found this helpful

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Michael

Syracuse, NY

Overall
Durability
Value
Features
Design
Usability

Great Buy

January 5, 2012

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.

2 of 2 found this helpful

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That Guy

Smalltown KS

Overall
Durability
Value
Features
Design
Usability

Not bad

November 23, 2011

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.

2 of 2 found this helpful

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Dav18Kory15

Hawks,MI

Overall
Durability
Value
Features
Design
Usability

Where's the hookup?

July 29, 2011

System may be great. I will find out when I get the hookup and extra wires! I purchased the recommended "Stinger" wiring kit with my package to find out a hookup diagram is not included with the kit. The wiring kit does not include the speaker wire to tie into the existing speakers or to go from the amp to the subwoofer! I live 30 miles from where I can purchase this wire so now my son will wait another day so I can purchase this wire. I have downloaded the hookup from the internet at work as we don't have it at home.

2 of 2 found this helpful

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Me

mporesville

Overall
Durability
Value
Features
Design
Usability

Wires

June 10, 2011

What is the best wiring kit for this product???

2 of 2 found this helpful

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big r

ny

Overall
Durability
Value
Features
Design
Usability

MTX TNP212D2

May 16, 2011

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

2 of 2 found this helpful

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Colt

Greensburg, IN

Overall
Durability
Value
Features
Design
Usability

decent value...need bigger amp

February 25, 2011

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!!

2 of 2 found this helpful

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Hero

Pottstown, PA

Overall
Durability
Value
Features
Design
Usability

Awesome bass - great buy!

August 23, 2010

Awesome quality sounding bass for a very reasonable price. Highly recommend!

4 of 6 found this helpful

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Ryan

Memphis, TN

Overall
Durability
Value
Features
Design
Usability

Alright

April 25, 2010

This set up is great for adding a little bit of bass to your ride but I was a little disappointed in it. The amp was under powering the subs so I got a more powerful amp and that made a big difference in bass. The box was nice. If you are on a tight budget then these are great but not too impressive. Sound quality was ok. Also one of the subwoofers blew while using the smaller MTX amp. The warranty came in handy.

2 of 2 found this helpful

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prodigykid

Providence, RI

Overall
Durability
Value
Features
Design
Usability

MTX

March 14, 2014

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

0 of 0 found this helpful

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gtp

st.paul

Overall
Durability
Value
Features
Design
Usability

would never again

January 26, 2014

They suck vary little bass and its not good bass

0 of 0 found this helpful

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Me

Yakima, Washington

Overall
Durability
Value
Features
Design
Usability

Mtx tnp212d2

January 23, 2014

Great subs great sound great price and awesome customer service would recommend buying if on a budget

0 of 0 found this helpful

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James

college corner,Ohio

Overall
Durability
Value
Features
Design
Usability

Good value

January 21, 2014

speakers bump pretty good for the little amount of amp thats pushing them

0 of 0 found this helpful

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Bryan

Taos NM

Overall
Durability
Value
Features
Design
Usability

best decision, good product, good BASS!!!!!!!

January 19, 2014

I highly recommend this product, it's everything I imagined it would be and I am definitely not disappointed with this product I'll always stick with MTX, not too much bass and not too little of bass even for the size of amp the output it's ridiculous!

0 of 0 found this helpful

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Kc

Maine

Overall
Durability
Value
Features
Design
Usability

Mtx terms

January 17, 2014

I got this setup for a 2004 mustang and yes they fit it was a tight fit but well worth the loss of trunk space. All I can say is that they slam and should be a good amount of bass for any bass head. And as for the price you can't beat it I looked at many different systems and this one is king.

0 of 0 found this helpful

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Brian

Factoryville PA

Overall
Durability
Value
Features
Design
Usability

Great subs fo rprice

January 9, 2014

I didn't have high expectations with these seeing as the amp inst very powerful. But holy crap these things are loud... Great buy for the money. Would recommend to anyone on a budget!

0 of 0 found this helpful

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Tracy

Mansfield, TX

Overall
Durability
Value
Features
Design
Usability

Subs and enclosure good, included amp is way undersized

January 8, 2014

The included amp is undersized for this box, 2 x 12 subs needs more power to push them.

0 of 0 found this helpful

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Schnappi

Norway

Overall
Durability
Value
Features
Design
Usability

Haven't recieved it yet

December 23, 2013

Sonic Electronix was great, sent the package reasonably fast. Great prices. Was some problems regarding the shipping and ebay. My ebay shippinginformation said my package was delivered 2 years before I ordered the package. Otherwise great service, prices and shippingtime. Don't order from Norway, it will take over 1 month...

0 of 0 found this helpful

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sara

hanahan, south Carolina

Overall
Durability
Value
Features
Design
Usability

great deal

December 1, 2013

We bought this for our son. He loves it, would recommend.

0 of 0 found this helpful

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Product Summary

Manufacturer

Model Number

TNP212D2

UPC

715442550067

Weight

57.00lbs

Internal SKU

tnp212d2

Internal Product ID

21675

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: MTX TNP212D2