You want BASS to hit hard, recover, and then hit hard again! You need a SledgeHammer unloaded mobile enclosure! MTX Acoustic engineers, in a scientific, synchronized approach, designed the enclosures to optimize performance and efficiency of an array of subwoofers. The result is bass that is incredibly loud, precise and accurate. SledgeHammer Unloaded enclosures feature a bold, black high gloss baffle that speaks for itself. When you want maximum impact and deadly accuracy, you need the right tool – a SledgeHammer unloaded enclosure.