ZR 8″ Subwoofer 450 Watts Rms DVC 4-Ohm

DS18 ZR8.4D 8″ Car Subwoofer with 900 Watts 4-Ohm DVC The ZR subline is a great entry level subwoofer that both handles great power and gives you smooth clean bass. These subs work great in both sealed and ported boxes giving you many options for placement in any vehicle. This 8 inch model comes in both dual 2 and dual 4 ohm configurations giving you many options to match your amplifiers optimal impedance. This model comes with a 2 inch voice coil that handles 450w RMS and 900w max power. The large foam surround and pressed paper cone works greatly together to deliver smooth crisp bass that can be heard strongly throughout the vehicle. Highlights Large foam surround giving great xmax and bass precision while keeping great cone control when the subwoofer is close to maximum power. Great power handling of 450w RMS and 900w max through a high strength 2 inch aluminum voice coil. Very strong stamped basket with show quality DS18 logos on the frame, magnet boot, motor, and dust cap. Designed to give crisp and clear bass in any vehicle and can be used in sealed and ported boxes. Technical Details ZR8.4D Product Manual SPECIFICATIONS Nominal Diameter 8” Nominal Impedance 4+4 OHMS RMS Power Handling 450W MAX Power Handling 900W Sensitivity (1w/1m) 82 dB Frequency Response 33Hz – 200 Hz Recommended Lo Pass Crossover 120 Hz MOTOR Voice Coil Diameter 2” / 50.8mm VC Former Material Aluminum Winding Material Copper Cone Material Non Pressed Paper Dust Cap Material PPI Surround Material Foam Basket Material Steel Basket Color/Finish Matte Black Magnet Material Ferrite Magnet Weight 55 oz Displacement Volume 0.03 ft3 THIELE & SMALL PARAMETERS Equivalent Volume 5.33 L Excursion (one way) 18mm Free Air Resonance 45Hz Mechanical Factor 4.7 Electrical Factor 0.745 Total Factor 0.643 Moving Mass 97g Compliance 97.58µ m/N BL Factor 9.48 Voice Coil Inductance 551.18m mH Cone Area 196 Cm2 DC Resistance 3.4 + 3.4 ohm Efficiency Bandwidth Product 60.4 MEASUREMENTS Overall Diameter 8.42” / 214mm Overall Depth 5.3” / 134mm Front Mount Baffle Cutout 7.24” / 184mm Mounting Depth 4.4” / 111.4mm Motor Diameter 5.7″ / 145mm Box Info