Boston Acoustics SPG555What is it?: Race-track-shaped super subSizes available: Roughly 12-inchImpedance: 4-ohm and 2-ohmMounting depth: 8-1/4-inchPower: 1,000 watts RMSAdditional: Replaceable voice-coil technology; neodymium magnet system
Earthquake Subzero-12What is it?: Eardrum crusherSizes available: 10-15-inchImpedance: Adjustable between 8 and 2 ohmsMounting depth: Don't worry. It will blow through all barriers.Power: 1,000 RMS; 2,000-watt maxAdditional: 3-1/2 inches each wayEarthquake(510) 732-1000www.earthquakesound.com
Kicker ZX2500.1What is it?: All the muscle you'll need for an absurd amount of bassStability: 2-ohmSize: (H) 2-1/8 x (W) x 9-5/8 x (L) 27-1/2Power: 2,500 wattsAdditional: 24dB/octave low-pass electronic crossover, and remote bass control
Earthquake PHD10000WWhat is it?: Enormous, linkable, efficient (for 10,000 watts) amplifierStability: 1-ohmSize: (H) 2-1/2 x (W) 10-3/8 x (L) 16Power: Max 5,000 wattsAdditional: More copper per square inch than any other amp
Kenwood KSC-WD250TWhat is it?: 10-inch powered subwooferIncluded: One 10-inch sub and a 200-watt class-D amplifierAdditional: Wired remote control
Kicker TS10L7What is it?: 10-inch sub in a wedge enclosureImpedence: 2- or 4-ohm designatorPower: 600-750 maxIncluded: 10-inch L7 square subwoofer in a solid wood enclosure lined with black and gray carpetingAdditional: Boxes are available ported.
Swiss Audio SPB10What is it?: 10-inch subwoofer in an MDF enclosurePower: 150 watts RMSIncluded: 10-inch subAdditional: Top firing port design
Alphasonik PB2310What is it?: Band pass enclosure with three subwoofersIncluded: Three 10-inch subs with multi-ported enclosureImpedance: 4-ohm hook-upPower: 900 watts RMSAdditional: Tuned ports made of spun aluminum and a plexiglass viewing window