Features: Rockville W8K5S4 K5 Series 8" 4-Ohm Car Subwoofer, Peak Power Handling: 800 Watts, Program Power Handling: 400 Watts, CEA Rated RMS Power Handling: 200 Watts, 1.5" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire, The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire, 30 Oz High Quality Magnet, Cast Iron Basket With Black Sanded Finish
Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it, Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion, Blue Stitching Cone Reinforcement Ensures Long Life, Paper Dust cap is light weight and efficient helping the sub to play louder even if your amp is not so powerful
Chrome-Plated Binding Post Terminals - These are the best terminals on the market and they accept any gauge wire, Impedance: Single 4-Ohm Voice Coils, Vented Hole on T-yoke Enhances Heat Dissipation, Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet, Mounting Gasket with Rockville branding looks great and Makes it Easy To Mount the Subwoofer Air-Tight, High BL Magnetic Motor Gap
We use the highest grade black glue that handles extremely high temperatures which allows our woofer to handle even more power than they are rated, Cutout Diameter: 7.16 inches, Mounting Depth: 3.54 inches, Frequency Response: 37 Hz - 1.3K kHz, 5mm T-Yoke + 5mm Washer, Sensitivity: 85.7dB, Sealed Enclosure Volume: 0.35 – 0.85 Cubic Feet, Vented/Ported Enclosure Volume: 0.6 – 1.2 Cubic Feet, Weight: 5.2 Lbs., Shipping Weight: 6.5 Lbs., Shipping Box Dimensions: 10.25x 10.25 x 8.1 Inches
Detailed Info: Body: Non-Pressed Paper, Gap Plate Inside Diameter: 60mm (2.36 inches), Gap Plate Outside Diameter: 120mm (4.72 inches), Gap Plate Thickness: 25mm (0.98 inches), Yoke Outside Diameter: 114mm (4.48 inches), Yoke Thickness: 5mm (0.20 inches), Yoke Pole Diameter: 38mm (1.5 inches)
