(2) Polk Audio MM1242SVC 12" 2520W Car/Marine Subwoofers + Rockville RDVB12 Dual 12" 1.75 cu.ft. Vented Enclosure & Install Kit

Package Contents: (2) Polk 12" Car/Marine Audio Subwoofers (1) Rockville Dual 12" 1.75 cu.ft. MDF Vented/Ported Subwoofer Enclosure Box 20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal) 20 Feet of 14 AWG Blue Speaker Wire 4 Spade Terminals Polk Audio MM1 Series Subwoofers (MM1242SVC) Overview: Built to deliver studio-grade low end in a car or marine environment, the MM1 Series brings precise, powerful bass and rugged construction to replace weaker factory systems. Advanced engineering focuses on high-output, detailed bass and long-term durability. Included: One 8" 4 ohm subwoofer Polk Audio MM1242SVC 12" Subwoofer Specifications: Sub Driver Complement: 12" (304.8mm) Cutout Dimensions: 11" (282mm) Mounting Height: 0.55" (14.06mm) Mounting Depth (Top): 4.64" (118mm) Mounting Depth (Bottom): 5" (132mm) Peak Power Handling: 1260 Watts Continuous Power Handling: 420 Watts RMS Nominal Impedance: 4 Ohms Frequency Response: 26Hz-200kHz Sensitivity: 87 dB Magnet Weight: 54.4 oz Magnet Material: Ceramic Magnet Size: 140mm x 60mm x 25mm VC Diameter: 2" Enclosure Volumes: Minimum Sealed: 1.25 cu. ft. Maximum Sealed: 3.5 cu. ft. Minimum Vented: 1.75 cu. ft. Maximum Vented: 2.25 cu. ft. Rockville RDVB12 Dual-12" Vented Enclosure Details: This RDVB12 box is a dual 12" vented/ported enclosure constructed from 3/4" USA heavy-duty MDF with precision-cut mounting holes for a clean fit. It uses top-grade glue for reinforced adhesion and features high-quality GOLD spring loaded terminals. Designed, tested, and engineered to be compatible with many popular woofers and to maximize system performance. Made in the USA. Tuning Frequency: 39Hz Rockville Enclosure Measurements and Volume: Type of Enclosure: Vented Enclosure Sub Size: Dual 12" Dimensions in Inches: 16.75" L x 36" W x 13.25 H" Top and Bottom Depth: 16.75" Mounting Depth: up to 17.75" (enough depth for any sub on the market) Gross Volume Per Sub (Measurement for the outer dimensions of the box): 2.3 Cubic Feet Net Volume Per Sub (Measurement for the outer dimensions of the box less the thickness of the wood): 1.75 Cubic Feet Installation Accessory Kit: A complete dual-sub enclosure installation kit is included: 20 drywall wood screws (selected by our installers for clean drilling into the enclosure with minimal chipping), 20 feet of 14 AWG blue speaker wire (preferred over 16 gauge for a cleaner signal to the amplifier), and 4 hand-selected spade terminals to make internal wiring secure and straightforward. This accessory bundle was assembled and tested by our installation experts to ensure reliable, high-quality installation and optimal audio performance.