Sundown Audio SA-6.5 SW D4 6.5" 200W Dual 4-Ohm SA Series Subwoofer

About this item Features & Specifications: Power Handling: 200W RMS | 1.5" Coil with 1" winding length | Thick 10mm Extended Top Plate | Hyper-Extended Pole piece with integrated cooling channels | Full height magnet ID shorting ring for reduced inductive distortion | Fully stitched surround | Flat tied-on high-current tinsel leads T/S Parameters D4: Fms: 51.8 Hz | Res: 45.2 Ohm | Re: 7.1 Ohm | Qms: 4.65 | Qes: 0.54 | Qts: 0.49 | Rms: 5.3 kg/s | Cms: 0.12 mm/N | Mms: 75.6 gr | Nref: 0.09 % | Bl: 17.9 N/A | SPL: 81.5 dB | VAS: 3.6 L | Rp: 42.4 Ohm | Lp: 31.2 mH | Cp: 542.5 uF | Le: 2.45 mH Enclosure Specifications: 0.25cuft - 0.35cuft ported (NET) per woofer | Port area: 4sqin per woofer | Mounting Depth: 3.79" Product information Brand Sundown Audio Speaker Type Subwoofer Subwoofer Diameter 6.5 Inches Mounting Type Pole Controller Type Ring Surround Sound Channel Configuration 7.1 Audio Output Mode Surround Speaker Maximum Output Power 200 Watts Is Waterproof FALSE Speaker Size 6.5 Inches Power Source Corded Electric Vehicle Service Type Car Product Dimensions 7 x 7 x 5 inches Item Weight 7.56 pounds