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 10" CompQ 4 Ohm The CompQ 10” Subwoofer is the best sound quality round driver we’ve ever made, with nearly identical construction and performance as our L7 square subs.The CompQ delivers everything on the wish list for high-caliber bass. Huge voice coils provide tremendous power handling and prodigious magnets help to create incredibly high SPL.The CompQ 10-Inch Subwoofer works best with a sealed or ported enclosure with 700 watts of recommended power. See below for more details. Specifications Rated Impedance [Ω] 4 Fs [Hz 38 Sensitivity [1W, 1m] 85.7 Qts 0.437 Qms 8.916 Qes 0.46 Re [Ω] 6.52 Vas [ft³, L] .59, 16.75 Continuous Power Handling [Watts RMS] 700 Outer Frame Dimension [in, cm] 10-11/16, 27.2 Mounting Depth [in, cm] 6-3/8, 16.2 Mounting Cutout [in, cm] 9-3/16, 23.4 Frequency Response [Hz 24 – 100 Sealed Enclosure Specs Minimum Sealed Volume ft3 (L) .66 (18.7) Minimum Sealed Power Handling 700 RMS Maximum Sealed Volume ft3 (L) 1.25 (35.4) Maximum Sealed Power Handling 700 RMS Panel Dimensions for Minimum Sealed Enclosures using 3/4” (1.9cm) thick MDF Box Volume [ft³, L] .66 (18.7) Panel A [in, cm] 12x12, 30.5x30.5 Panel B [in, cm] 12x10.5, 30.5x26.7 Panel C [in, cm] 10.5x10.5, 26.7x26.7 Vented Minimum Box Volume, ft³ (L) + port displacement 1.25, 35.4 Port Opening Size, in x in (cm x cm) 2.5x11.25, 6.4x29 Port Length, in (cm) 19.75, 50 Power Handling, RMS 700 Vented Maximum Box Volume, ft³ (L) 2.25, 63.7 Port Opening, in x in (cm x cm) 3x11.25, 7.6x29 Port Length, in (cm) 18, 46 Power Handling, Watts RMS 700