Car audio systems consist of an amplifier, a subwoofer, and a series of speakers. The subwoofer provides additional performance boosts for low tones. The CompVX (CVX) subwoofer from Kicker is a round subwoofer that comes in three sizes: 10-, 12-, and 15-inch. CompVX models can also be purchased in either 2-OHM or 4-OHM dual voice coils (DVC), for better connectivity to the amplifier.
The Kicker CompVX subwoofer has an impedance of either 2 or 4 OHM dual voice coils, depending on the model. The OHM is the measurement of resistance in the subwoofer; higher resistance offers a more controlled sound, though you should consult your amplifier's manual for the best match OHM. Impedance determines the accuracy of sound as it passes into the subwoofer. Its sensitivity ranges between 85.7 and 91.6 decibels. The frequency response range of CompVX models begins at 24-500 hertz on the smallest model, and ends at 18-500 hertz on the largest model.
The 10-inch CompVX model has a mounting depth of 5 5/16 inches and a mounting cutout of 9 3/16 inches. The 12-inch model has a mounting depth of 6 11/16 inches and a mounting cutout of 11 1/16 inches. The 15-inch model has a mounting depth of 8 1/2 inches, and a mounting cutout of 13 13/16 inches.
The 10-inch CompVX requires a sealed box volume between 0.8 and 3.0 cubic feet, and a vented box volume between 1.25 and 1.75 cubic feet. The 12-inch CompVX requires a sealed box volume between 1.0 and 4.6 cubic feet, and a vented box volume between 1.75 and 2.25 cubic feet. The 15-inch CompVX requires a sealed box volume between 1.8 and 5.2 cubic feet, and a vented box volume between 3.0 and 5.0 cubic feet.
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