R-Series 8” Subwoofer Kevlar Reinforced Pulp Cone • Polypropylene / Ceramic Composite Dust Cap • Larger, Double-stacked Magnets for More Powerful Bass Output • High-Amplitude Multi-Roll (H.A.M.R.) Surround for High Excursion • Mounting Depth: 4.375” • X-Max: 12mm • Voice Coil: 35mm • Frequency Response: 30Hz-200Hz • Sensitivity: 83.5dB • Nominal Impedance: 2Ω (4+4) for R2-W10D4 or 4Ω (2+2) for R2-W10D2 • Power Handling: 350W RMS / 1000W Peak • Compatible with KTE- 8G.3 Subwoofer Grille (Sold Seperately)