i of course did not know what it meant but he said they blew and wont work. As far as the price, you definitely get more bang for your buck...lol, Reviewed in the United States on December 29, 2010. Absolutely, positively the best amp I've ever had. not sure if i didn't ground it properly on this install. Please make sure that you are posting in the form of a question. It's Good to Be King As seen on TV and at car shows around the world, the MTX JackHammer subwoofers are the ultimate symbol for bragging rights in any installation. Reviewed in the United States on March 12, 2009. Your recently viewed items and featured recommendations, Select the department you want to search in, Reviewed in the United States on November 3, 2011. Has true 0/1 guage inputs. Reviewed in the United States on May 7, 2011. There's a problem loading this menu right now. It also analyzes reviews to verify trustworthiness. Reviewed in the United States on March 10, 2011, i got this amp pushing 2 12 type Rs and yeah they hit hard even with the box closed. I use this amp with a X15HCAP20 (search it, amazon has it) 20 farad capacitor. THIS AMP IS SICK the look of it is a bonus and can be stacked makes it an ideal amp if you want to have multiple to look all bad. and yes i recomend this amp, Reviewed in the United States on November 16, 2013. i went through two of these now and they burned up. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. i will recomend to all my friends, Reviewed in the United States on March 19, 2011. Available in monoblock and multi-channel models, JACKHAMMER amps are built MTX tough to deliver superior sound output note after note. I tested the MTX JH's and for making a lot of noise with little power, go for it. Reviewed in the United States on April 29, 2010. Not the best amp but it gets things done. Customer reviews Mtx Jackhammer Series Jh1200 2,400 Watt Peak and 1,200 Watt True Rms @ 1 Ohm Mono Class Inch D Inch Car Amplifier with Fully Digital Circuitry and … After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. don't but them. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Reviewed in the United States on November 15, 2011, AMAZING! i have been installing sound systems for a while now and never had a problem except with this one. Please make sure that you are posting in the form of a question. I knew mtx was a good brand my friend got me hooked to it. MTX's patented Spider Plateau Venting keep the inner works cool, so this sub can rock for hours. This is an extremely powerful amp and should be respected. Won't shatter the back windshield but good subs none the less. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Mtx Jackhammer Series Jh1200 2,400 Watt Peak and 1,200 Watt True Rms @... Mtx Jackhammer Series Jh1200 2,400 Watt Peak and 1,200 Watt True Rms @ 1 Ohm Mono Class Inch D Inch Car Amplifier with Fully Digital Circuitry and Amazing Sound Quality and Efficiency. I have it wired at 2 ohms wired to 2 Power Acoustik MOFO 12's. The lil sub looks and sounds great. Just make sure you know what your doing and get a proper amp for it. THEY MAKE YOUR HEART SKIP BEATS . I have it hooked to a 1000 Watt Nitro amp that is bridged. Find helpful customer reviews and review ratings for NEW! It also analyzes reviews to verify trustworthiness. Probably not the best in the world, but for those looking for some nice bass in a small package these will do the job. For the price though I doubt you could find a better sub. Bought this amplifier and had the gains a little too high, as well as the wiring for 2-ohm load when my subs should've been wired to 4-ohm. my door and rear 6x9's are all mtx to with a kenwood head unit and it sound awesome. Top subscription boxes – right to your door. Reviewed in the United States on April 27, 2010. this is a horrible buy.