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MTX Audio JackHammer JH4512X2D

1000W Max, Dual 12" Jack Hammer JH45 Series Loaded Vented Enclosure - 2 ohms Final Impedance

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Dual 12" JackHammer Round 45 Loaded Vented Enclosure • 1000 watts Max • 500 watts RMS • 2 Ohm • Polypropylene cone woofer • Rubber surround • Precision Stamped Basket • Asymmetrical Linear Drive System • Black

Learn more about the jh4512x2d

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Description


MTX brand icon

Authorized dealer

Authorized MTX Dealer
MTX has done it again. Building on the strength and popularity of MTX's TC enclosures, the loudest boxes on the block, the new JackHammer series enclosures leave no doubt as to who the enclosure king is. A refined look and redefined attitude that features a flat black finish in JH45 series enclosures or a gloss black finish in JH55 series enclosures and with MTX's famous side-firing super slot port, these enclosures produce epic amounts of bass and put all competitors to shame. Classic MTX quality goes into the production of every JackHammer enclosure including extra strength 3/4" MDF panels and dado/v-groove construction giving JackHammer enclosures the ability to bring the pain 24/7.

Subwoofer Features:

  • Dual 12" JackHammer Series Round 45 Loaded Vented Enclosure
  • Power Handling:
    • Peak: 1000 watts (500 watts per sub)
    • RMS: 500 watts (250 watts per sub)
  • Impedance: 2 Ohm
  • Polypropylene cone woofer
  • Rubber surround
  • Precision Stamped Basket for greater structural integrity
  • ALDS (Asymmetrical Linear Drive System)
  • 1-3/4" High temperature voice coil
  • 70oz. Magnet
  • Frequency response: 26-150 Hz
  • Sensitivity: 86.7 dB
  • Dimensions: 18-3/4"D x 31-3/4"W x 15-3/4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty (subwoofer only)
Enclosure Features:
  • Side firing super slot port
  • 8 gauge, nickel plated terminals for easy connection
  • Angled corners provide an aggressive, unique look
  • Interlocking dado/v-groove joining offers added strength
  • 3/4" MDF construction
  • 80° back wall to fit tight against rear seat backs (also provides a great place to mount an amp!)
  • Carpeted Black

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Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
RMS Power Handling
250 watts
Peak Power Handling
500 watts
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Sensitivity
86.7 dB
Frequency Response
26 - 150 Hz
Enclosure Specifications
Box Type
Ported
Number of Subwoofers
2
Box Style/Shape
Square/Rectangle
Wood Thickness
3/4"
Number of Terminals
1
Terminal Type
Spring posts
Box Exterior Color
Black
Box Finish
Carpet
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

MTX

Model Number:

JH4512X2D

Weight:

75.00lbs

Internal SKU:

jh4512x2d

Internal Product ID:

14831

Customer Ratings & Reviews


MTX Audio JackHammer JH4512X2D thumbnail image

5 star
86%
4 star
14%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
4.6
Features
4.5
Design
5
Usability
5

Customer Reviews

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Jackhammers 12"

These are some sick subs hit hard in my bronco. I will go bigger next time because my car is big and needs big subs but if you put these in a small car these subs will blow everyone else out of the water. I say get em they r worth the money!

By stephen on April 8, 2010

7 found this helpful


They bump in my trunk

i have had many beginner subs since i got my first subs, but these things are something else! the moment i connected these, they started shaking my entire car! i was like "WOW! my car has never rattled before until i got these bad boys".. i recommend these to any one starting out ...this box is all quality!

By Jesus on March 12, 2009

5 found this helpful


Great subs, so so box

Im sure this box would go good in a car with a trunk, as for me i own a hatch back and it just didnt fit my personal taste with the position of the vent, so ive made a new box, owned the subs for about 1 1/2 years now in a daily driver and i am NOT nice to these subs.
they will float out but ive never managed to make them distort or rattle.

these subs are wonderful i've never regretted buying them especially for the price, they punch pretty hard, and i suppose depending on your vehicle/set up still have quite a bit of clarity (remembering this isn't rated in there box)

the box shown looks fairly well built, not divided internally.
i suppose this is fine for a mono block but i like some depth\clarity to my system which is kinda hard to get on this set up, i'd recommend using a separated box, i've had these in ported, sealed, and that vented box, the subs do pretty good either way.

By farve on February 17, 2010

3 found this helpful


Makes my whole car shake!

Have this enclosure in my SX4 along with a MTX 600XD amp. Excellent sound and products from MTX. Makes everything in my car shake and vibrate! I see why this item is usually out of stock. But Sonic is quick to replenish their supply. Am more than happy with this product and Sonic customer support. Would recommend both to anyone. Thanks, again Sonic!!!

By Jose on April 21, 2010

2 found this helpful


Bumps!!

I thought the low RMS would be junk but they bump so hard! They mad my whole car rattle. My trunk door was literally pumping in and out. I love these!!

By Sherwin on June 29, 2009

2 found this helpful


Great subs

I had this company subs from last 6 years and i had best experience with these ones and this company and now i am just searching for jack hammers just love them.

By Anonymous on November 6, 2018


ive never had a ported box before

so i have never had a ported box before, generally sealed and one probend comp RT bandpass box.

so far this is my favorite box . i had the jackhammers on an RT500D mtx amp.

By Jay on May 27, 2017




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