Polk Audio DB1242DVC 12" 1110 Watt Dual 4-Ohm Subwoofer + Rockville RQB12 QBOMB 12" Vented Enclosure (Bedliner)

Package contents: (1) Polk Audio 12" 1110 Watt Dual 4-Ohm Car/Marine Audio Subwoofer. (1) Rockville 12" QBOMB vented sub enclosure, Rhino bedliner finish, 1.8 Cu Ft net. 10 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal). 12 feet of 14 AWG blue speaker wire. 2 spade terminals. Included elsewhere in the kit: One 8" 4 ohm subwoofer. Stainless steel mounting hardware. Polk Audio DB1242DVC subwoofer details: Driver complement: 12" (304.8mm). Cutout dimensions: 11" (282mm). Mounting height: 0.51" (13.05mm). Mounting depth (top): 4.34" (110mm). Mounting depth (bottom): 4.56" (116mm). Peak power handling: 1110 Watts. Continuous (RMS) power handling: 370 Watts. Nominal impedance: 4 Ohms. Frequency response: 26Hz-200kHz. Sensitivity: 86 dB. Magnet weight: 47.4 oz. Magnet material: Ceramic. Magnet size: 145mm x 60mm x 20mm. Voice coil (VC) diameter: 2". Recommended sealed enclosure volume: minimum 1.25 cu. ft., maximum 3.5 cu. ft. Recommended vented enclosure volume: minimum 1.75 cu. ft., maximum 2.25 cu. ft. Rockville RQB12 QBOMB enclosure features: Single 12" vented box with Rhino bedliner finish. Proudly made in the USA using high-quality materials for optimized sub performance. 3/4" USA heavy-duty MDF construction with machine-precision cut mounting holes. Constructed with top-grade glue for durable adhesion and engineered to work with today’s popular woofers. Tuning frequency: 43Hz. Enclosure type: Vented. Sub size: Single 12". Overall dimensions: 15" L x 22" W x 13.5" H. Top and bottom depth: 15". Mounting depth capacity: up to 8.75" (suitable for virtually any sub on the market). Gross volume per sub (outer dimensions): 2.5 cubic feet. Net volume per sub (accounting for wood thickness): 1.8 cubic feet. Accessories included with the enclosure: 10 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal). 12 feet of 14 AWG blue speaker wire. 2 spade terminals. Stainless steel mounting hardware is provided with the kit.