The Magma is engineered to provide high definition, high output for sub-bass frequency’s. The loudspeaker incorporates dual 18” low frequency woofer. The woofers are mounted in a sealed enclosure that is tuned for optimum low frequency response. The cabinet has 8 recessed handles and stacking rubber feet on one side. And on the other side it has a stacking track system. The system produces a frequency response is from 35Hz to 300Hz and is capable of producing a peak level of 139dB. The components inside the Magma Sub are able to handle 2200 watts of amplifier power and a peak power of 4400 watts.