Arc Audio X2 12D4 12” 4 Ohm Subwoofer Knowing that consumers are hard on products that offer exceptional value, ARC Audio has put a great deal of effort has into ensuring thermal power handling is reference-class at these price points. The thermally conductive voice coil formers and advanced cooling technologies allow the X2 10 subwoofers to handle 200 watts and the X2 12 to handle 250 watts of continuous power for more than 10 hours. ARC Audio’s new power testing process involves doubling-down the test power levels after each successful round to ensure we know where the weakest links are and have addressed them to the best of our abilities. If you are looking for a subwoofer that sounds great, offers excellent low-frequency output and is fun to listen to, then introduce them to the new X2 Series from ARC Audio. Designed And Engineered In The USA High-Temperature Black Anodized Copper Coated Aluminum Voice Coil Linear Design For Improved Dynamics And SPL At Low And High Volumes Cellulose Fiber Composite Cone Stamp Steel Basket Available In Dual 2 Or 4-Ohm Configurations Flat Profile, Linear High-Roll Conex Spider With Post-Process Woven Integrated Tinsel Leads Designed For Small To Moderate Sized Sealed And Ported Enclosures Mounting Depth 6 3/16" Cutout Diameter 11-1/8" Minimum Sealed Enclosure - 0.9 cu ft Optimum Sealed Enclosure - 1.15 cu ft Maximum Sealed Enclosure - 1.55 cu ft Specifications - Power Handing (Peak) - 500 Watts Power Handling (RMS) - 250 Watts Impedance - Dual 4 Ohm Minimum Sealed Enclosure - 0.75 cu ft Optimum Sealed Enclosure - 1.15 cu ft Maximum Sealed Enclosure - 1.6 cu ft Cutout Diameter - 11-1/8" Mounting Depth - 6 3/16"