Mass Destruction Car Audio's 12" Napalm prototype free-air, powered by a Power Acoustik 620.2 amp. He's playing a 20Hz test tone.

"This is the prototype 12 '' Napalm subwoofer."

Mass Destruction Car Audio's four 12" Napalm prototypes in a ported enclosure tuned to 42Hz, powered by two Autoteck 4000.1 amps. He's playing "Throw It Up" by Lil Jon.

Mass Destruction Car Audio's 12" Sidewinder free-air and in a 1 cu. ft. sealed enclosure, powered by an American Bass 100.1 amp. He's playing "Throw It Up" and "Get Low" by Lil Jon and "Feel The Bass" by DJ Magic Mike.

"Sidewinder is a dual 4 and it was wired at 2 ohms bridged. Sub was receiving 1100 watts free air and in the box during these videos."

subsonic78's 12" Torpedo free-air and in a 3.2 cu. ft. ported enclosure @ 52Hz, powered by an American Bass 100.1 amp @ 1 ohm. He's playing "Throw It Up" and "Get Low" by Lil Jon and "Feel The Bass" by DJ Magic Mike.

spkrman's 12" Napalm in a TCAB enclosure powered by a Orion 2500D.

Mass Destruction Car Audio's 12" Napalm in a 1 cu.ft. ported enclosure @ 38Hz, powered by a Autotek 4000. He's playing "Throw It Up" by Lil Jon.

"The static in the video is from the extreme amount of air being pushed out of the box the Sub is in."

Mass Destruction Car Audio's 12" Napalm (production model) in a 1 cu.ft. ported enclosure @ 38Hz, powered by a Autotek 4000. He's playing "Slob On My Knob" by Three 6 Mafia.

Mass Destruction Car Audio's 12" Sidewinder in a prefab 1.2 cu.ft. ported enclosure @ 32Hz, powered by a Soundstream 240 then a Autotek MM4000.1 amp. He's playing "Grillz" by Nelly and "Late Nite Tip" by Three 6 Mafia.

Mass Destruction Car Audio's 12" Napalm free-air, powered by a 220V wall socket.

"12 inch Napalm PRODUCTION Model free air in a WALL SOCKET!!!! As requested."

boister77's 12" Sidewinder in a 2.5 cu.ft. ported enclosure @ 35Hz, powered by a JBL BPX2200.1 @ 4 ohm.

"the sub is not being pushed to it's limits...another vid to come soon."

XBlazer01's four 12" Sidewinders in a ported 9.6 cu.ft. enclosure @ 34Hz, powered by an Orion 2500D @ 0.5 ohm.

XBlazer01's four 12" Sidewinders in a ported 9.6 cu.ft. enclosure @ 34Hz, powered by an Orion 2500D @ 0.5 ohm.

XBlazer01's four 12" Sidewinders in a ported 9.6 cu.ft. enclosure @ 34Hz, powered by an Orion 2500D @ 0.5 ohm.

XBlazer01's four 12" Sidewinders in a ported 9.6 cu.ft. enclosure @ 34Hz, powered by an Orion 2500D @ 0.5 ohm. He's playing "Until The End" by Breaking Benjamin, "Late Nite Tip" by Three 6 Mafia, and "In The Air" (screwed) by Phil Collins.

XBlazer01's 12" Sidewinders in a 1 cu.ft. enclosure, powered by a 222w Sony amp.

"This was for Laughs so yea"

dantheman8328's two 12" Sidewinder in a ported 5.5 cu.ft. enclosure @ 32Hz, powered by a Hifonics Hercules.

Mass Destructions 10" & 15" Napalm compilation vid.

Mass Destructions 10" & 15" Sidewinder compilation vid.