S-Series 8” Subwoofer Carbon Fiber / Polypropylene Cone for Lightweight Construction with High Output and Low Distortion • Dual Voice Coil Subwoofers with Configuration Jumpers •Enhanced “Punch” and Accurate Bass • High-Grade Strontium Ferrite Magnets •High-Amplitude Multi-Roll (H.A.M.R.) Surround for High Excursion • Mounting Depth: 3.71” • Frequency Response: 35Hz-215Hz • Sensitivity: 83dB • Nominal Impedance: 2Ω (4+4) for S2-W8D4 or 4Ω (2+2) for S2-W8D2 • Power Handling: 300W RMS / 900W Peak