About the MTX TN12-04

Big bass, great look
Big bass, great look
MTX Terminator subwoofers sound as good as they look. And they look pretty cool, with classic MTX subwoofer styling that adds a professional look in almost any vehicle. If you're looking for big bass at a bargain price, you'll be impressed by what the Terminator sub has to offer.
MTX engineering
Trickle-down technology makes the Terminator TN12-04 12" sub a serious value. MTX's exclusive spider plateau venting pushes air in and out of the inner works to keep the 1-1/2" voice coil cool, while the Assymetrical Linear Drive System uses a flat, progressive spider and an extended pole piece to produce smooth, linear movement of the polypropylene cone. The result is a powerful sub that keeps pumping out accurate bass, even during extended, high-level play.
Product highlights:
- 12" 4-ohm subwoofer
- polypropylene woofer cone with rubber surround
- power range: 100-200 watts RMS (400 watts peak power)
- frequency response: 24 Hz - 160 Hz
- sensitivity: 86.6 dB
- top mount depth: 5.44"
- cut out diameter: 11.08"
- volume displacement: 30.92 cubic inches
- sealed box volume: 1.25 cubic feet
- ported box volume: 2.00 cubic feet
- grille not included
- warranty: 2 years
- Our 60-day money-back guarantee
- MFR # TN12-04
What's in the box:
- One 12" Single voice coil subwoofer
- Specifications and wiring instructions
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More details on the MTX TN12-04

Features & specs
Size | 12 -inch | |
Impedance (Ohms) | 4 | |
Cone Material | Polypropylene | |
Surround Material | Rubber | |
Ideal Sealed Box Volume (cubic feet) | 1.25 | |
Ideal Ported Box Volume (cubic feet) | 2 | |
Port diameter (inches) | N/A | |
Port length (inches) | N/A | |
Free-Air | No | |
Dual Voice Coil | No | |
Sensitivity |
90.5 dB at 2.83 volts 86.6 dB at 1 watt | |
Frequency Response | 24 - 160 Hz | |
Max RMS Power Handling | 200 | |
Peak Power Handling (Watts) | 400 | |
Top Mount Depth (inches) | 5 5/16 | |
Bottom Mount Depth (inches) | 5 7/8 | |
Cutout Diameter or Length (inches) | 11 1/16 | |
Vas (liters) | 72.85 | |
Fs (Hz) | 32.4 | |
Qts | 0.69 | |
Xmax (millimeters) | 9.4 | |
Parts Warranty | 2 Years | |
Labor Warranty | 2 Years |
Product Research
Features
Enclosure Compatibility
Features
Spider Plateau Venting: Heat from the voice coil is vented through vents that surround the back of the spider. As the woofer travels back and forth, cool air is pulled in and heated air is pushed out.
Asymmetrical Linear Drive System (ALDS): The Asymmetrical Linear Drive System consists of a flat, progressive spider that improves suspension and an extended pole piece that smoothes out the cone's linear motion. The result is high output and low distortion.
Enclosure Compatibility
Sealed Box: For the best possible sound quality where space is a premium MTX recommends a sealed enclosure with an internal volume of 1.25 ft³. Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.
Vented Box: The recommended vented box has a net internal volume of 2.0 ft³ with a slot port 14" x 2" x 16-3/4". Vented (or ported) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power.
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Customer Q&A
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Great subwoofer! I have a 1500watt boss audio amp with mosfet protection on it and it's by far the best set up I've had. The only thing I would improve is getting another one
C Hibbard from Illinois