FEATURES: Selectable impedance 2Ω or 4Ω; DVVC Direct Voice Coil Cooling Technology; Black on black polypropylene cone; Reinforced spider; Improved suspension and coil design; Woven tinsel leads; High temperature BASV voice coil former. SPECIFICATIONS: RMS/PEAK (W): 350/700; SENSITIVITY (dB): 85.6 @ 2Ω, 86.3 @ 4Ω; MAGNET SIZE (OZ): 50; MOUNTING DEPTH (IN): 3; CUT OUT DIAMETER (IN): 11. | Memphis Car Audio | | Memphis Audio PRXS1224 12” Power Reference Slim | Black/Gray | Best Buy