(1) Atomic APSPL-12 ... $200 shipped 1.4 ohm DVC, 1000w For specs: http://www.atomicspeakers.com/apocalypse_ap120d.html I used the sub during the 2005 USACi season, running off of a Kicker KX1200.1 @ 0.7 ohms, and I achieved a 166.3 dB in Super Port Wars. The sub is in good condition and is still very stiff.