MTX Audio - JackHammer 24" Subwoofer - TS9924-22 (INDENT ONLY)JACKHAMMER 22 INCH 4000W RMS SUPERWOOFER *MADE TO ORDER* The Original JackHammer Destructive SPL 24 inches across and 4000 Watts RMS The MTX TS9924 22 JackHammer SuperWoofer is like nothing else on Earth. This subwoofer was designed simply because we could and over the top is never enough for some people. It might seem out of reach, but in life it is important to have goals and strive toward them. There is no reason owning a JackHammer shouldn't be a