Features High excursion foam surround True Carbon fiber dust cap Custom Die cast Aluminum Basket Triple Layer Progressive dampeners Large Gauge push speaker terminals 3-inch-high temperature 4-layer voice coil Custom Rubber protective magnet band Triple stacked Y35 ferrite oxide magnet Specifications Structure 8" (20.3cm) Woofer Dynamic Power Handling 2500 Watts Nominal Power Handling 1250 Watts Impedance Dual 4 Ω Voice Coil PARAMETERS Resonant Frequency (fs) 50.135Hz D.C. Voice Coil Resistance (Re) 2 x 4Ω Mechanical Quality Factor (Qms) 2.158 Electrical Quality Factor (Qes) 0.776 Total Quality Factor (Qts) 0.571 Equivalent Air Volume to Cms (Vas) 3.829 L Mass of Diaphragm/Coil (Mms) 192.525 g Force Factor (Bl) 21.660 Sound Pressure Level (SPL) 79.8 dB Dimensions Overall Diameter: 9.17"/ 233 mmMounting Depth: 7.14"/ 181.5 mmCutout Diameter: 7.48"/190 mm Description Unleash the ultimate power of sound with the G7 8.4 Subwoofer! This competition-grade beast is designed to deliver the most immersive audio experience, whether you're dominating at a competition or just rocking out in your car. With a high excursion foam surround and true carbon fiber dust cap, this subwoofer ensures durability and top-notch performance. The custom die-cast aluminum basket and triple-layer progressive dampeners guarantee stability and precision. Featuring a massive 2500 Watts max power and 1250 Watts nominal power, the G7 8.4 doesn't just play music; it commands it. The 3-inch high-temperature 4-layer voice coil and dual 4Ω voice coil impedance provide unparalleled sound quality, while the large gauge push speaker terminals and 8 gauge terminals make installation a breeze. Encased in a custom rubber protective magnet band and powered by a triple-stacked Y35 ferrite oxide magnet, this subwoofer is built to impress and last. Join the ranks of audio enthusiasts who trust the G7 series for its power, precision, and pure auditory bliss. Upgrade your sound system with the G7 8.4 and feel the difference! Product Manual Product Manual PDF