Kicker Competition c12a? They are the old style kickers with the red and white square "K" logo in the center . Also for: Compvr c10vr, Compvr c8vr. Hi, my name is***** friend of mine has given me two Vintage Kicker C12a 4-ohm subwoofers, and I'm having trouble trying to figure out what amp would work best for these subs. So now I have a shot at them. Kicker C12 Warranty Info: We are an Authorized Kicker Dealer. I can't seem to find any specs on these. KICKER COMP C12 SUBWOOFER 4 OHM 300 W C124 12" Single voice coil 4 ohm inpedance 150 Watts RMS 300 Watts max Sensitivity 89.1 db Freq. 1 Year Manufacturer's Warranty; All Manufacturer Warranties are handled through HiFiSoundConnection (1-877-275-4434) Kicker C12 Product Documents. response 27 - 500 hz Mounting depth 5 - 13/16" Mounting diameter 11-1/8 Sealed enclosure volume min.- 1.25- cubic foot Max volume 3.5 cubic foot Vented enclosure vol. Kicker C12 Product Manual This item is New My friend just bought a box that had these in it but he swapped them out with his Orion XTR3's. The KICKER C12 12" 400W Dual 4-Ohm Comp Series Car Audio Subwoofer can handle 400 Watts of MAX Power and 200 Watts of RMS Power! View and Download Kicker CompVR C12vr specifications online. We are an Authorized KICKER DEALER! CompVR C12vr Subwoofer pdf manual download. 1.75 - 2.25 cubic feet