The KICKER CompQ™ Subwoofer delivers on all of the power, capacity and performance of its square counterpart L7™, only utilizing a round basket and cone. The 12" CompQ 2 Ohm The CompQ 12-Inch Subwoofer is the best sound quality round driver we’ve ever made, with nearly identical construction and performance as our L7 square subs.A cast aluminum frame provides an extremely stable, vibration-free base, so every note gets from the cone to your ears as pure as the day it was recorded.The CompQ 12-Inch Subwoofer works best with a sealed or ported enclosure with 850 watts of recommended power. See below for more details. Specifications Rated Impedance [Ω] 2 Fs [Hz 37 Sensitivity [1W, 1m] 86.2 Qts 0.546 Qms 8.878 Qes 0.582 Re [Ω] 5.94 Vas [ft³, L] .91 ,26 Continuous Power Handling [Watts RMS] 850 Outer Frame Dimension [in, cm] 12-1/2, 31.8 Mounting Depth [in, cm] 7-1/8, 18.1 Mounting Cutout [in, cm] 11-1/16, 28.1 Frequency Response [Hz 20 – 100 Sealed Enclosure Specs Minimum Sealed Volume ft3 (L) .88 (24.92) Minimum Sealed Power Handling 850 RMS Maximum Sealed Volume ft3 (L) 2 (56.64) Maximum Sealed Power Handling 850 RMS Panel Dimensions for Minimum Sealed Enclosures using 3/4” (1.9cm) thick MDF Box Volume [ft³, L] .88 (24.92) Panel A [in, cm] 13.5x13.5, 34.3x34.3 Panel B [in, cm] 13.5x10.5, 34.3x26.7 Panel C [in, cm] 12x10.5, 30.5x26.7 Vented Minimum Box Volume, ft³ (L) + port displacement 1.75, 49.6 Port Opening Size, in x in (cm x cm) 2.5x13.25, 6.4x34 Port Length, in (cm) 22.5, 57 Power Handling, RMS 850 Vented Maximum Box Volume, ft³ (L) 3.25, 92 Port Opening, in x in (cm x cm) 3x13.25, 7.6x34 Port Length, in (cm) 14.5, 37 Power Handling, Watts RMS 850