Rockville VS10K54 K5 10" 1200w Car Subwoofer — 4 Ohm Vented Enclosure (Pre-Loaded)

Pre-installed Rockville VS10K54 single 10" K5 subwoofer in a ported MDF enclosure engineered for deep, powerful bass. Power ratings: Peak Power Handling: 1200 Watts; Program Power Handling: 600 Watts; CEA Rated RMS Power Handling: 300 Watts. Final Impedance: 4 Ohm (Impedance: Single 4-Ohm Voice Coils). Enclosure and mounting: Constructed from MDF, bonded, stapled and internally braced with computer-designed vents and a 15 % angled front for optimal bass alignment. Enclosure air space is 1.0 Cu Ft per sub. Vent dimensions (inches): 2" x 6.5" x 8". Tuning frequency of enclosure: 35 Hz. High quality aviation grade tweed carpet covers the box. Satin Nickel speaker wire push terminals and gold-plated spring loaded push terminals provide convenient, reliable connections. Mounting Gasket with Rockville branding ensures an airtight seal and makes installation easier. Driver motor, cone and surrounds: 2" 4-Layer Black Aluminum Voice Coils wound with OFC (100% Copper) wire — the voice-coil wire is imported from Japan for higher quality versus standard China wire. 40 Oz high quality magnet with a vented hole on the T-yoke to improve heat dissipation. Cast iron basket with a black sanded finish. Fiber reinforced ultra-stiff black non-pressed paper cone for efficient output, polypropylene dust cap, thick foam surround to minimize distortion, and blue stitching cone reinforcement for long life. High BL magnetic motor gap and high-grade black glue rated for extreme temperatures help the woofer handle more power. Mechanical & acoustic specs: Cutout Diameter: 9.05 inches. Mounting Depth: 4.52 inches. Frequency Response: 28 Hz - 1.3K kHz. Sensitivity: 87.7dB. Body: Non-Pressed Paper. 6mm T-Yoke + 6mm Washer. Physical dimensions and weight (loaded): Loaded enclosure weight: 29.1 Lbs.. Loaded enclosure dimensions (inches): 16.25 x 13 x 14.25. Gap, yoke and plate measurements: Gap Plate Inside Diameter: 70mm (2.75 inches). Gap Plate Outside Diameter: 140mm (5.51 inches). Gap Plate Thickness: 25mm (0.98 inches). Yoke Outside Diameter: 130mm (5.11 inches). Yoke Thickness: 6mm (0.23 inches). Yoke Pole Diameter: 50mm (2 inches). Electrical voice coil parameters: Electrical voice coil resistance at DC:Re 3.41 Ohm. Frequency independent part of voice coil inductance:Le 0.905 mH. Para-inductance of voice coil:L2 1.701 mH. Electrical resistance due to eddy current losses:R2 16.06 Ohm. Electrical capacitance representing moving mass:Cmes 576.8 ?F.