The speaker comes equipped with low-tolerance joint adhesives to prevent thermal breakdown. It also features maximum strength magnets for improved dynamic performance and a high-excursion rubber surround for flexible movement. The 254-ounce motor volume and 1200 watt of RMS power are designed to handle intense amounts of power to bring you great bass sound in your car.The Power Acoustik Subwoofer speaker has a dB efficiency of 83.6 and is compatible with a variety of car stereo systems. This subwoofer makes an ideal addition to any music lovers car audio gear. Nominal Impedance: Dual 4 ohm. Mounting Cutout Diameter (in): 11. Mounting Cutout Diameter (mm): 279. Please feel free to send a message if you have any questions about this item or other items we sell! The item "Power Acoustik Gothic GW-124 12 Inch 12 2500 Watts Dual 4-Ohm Car Subwoofer Sub" is in sale since Thursday, August 13, 2020. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "designer-motorsports" and is located in Sykesville, Maryland. This item can be shipped to United States.