Alpine SWR-8D4 8 Subwoofer (4O + 4O) general Features: 8 Dual 4-Ohm Type-R Series car Subwoofer Power Handling: Peak: 1000 watts RMS: 150-350 watts Impedance: Dual 4 ohms Reinforced Parabolic cone Structure with Poly-Mica Dust cap & Pulp-Kevlar cone Durable HAMR Santoprene surround Nomex Progressive conex spider compound Radius curve pole geometry Oversized 16, High-Temperature, 4-Layer Dual Voice coil 52 oz Double Strontium magnet motor structure Frequency response: 30-200 Hz Resonance Frequency (Fs): 40Hz Excursion: 12mm Top-mount depth: 4-12 Sensitivity: 835dB
Features of Alpine SWR-8D4 Ohm 8" Subwoofer (4 Ohm + 4 Ohm)
RMS Power Handling: 350 Watts Peak Power Handling: 1000 Watts Frequency Response: 30 Hz-200 Hz Mounting Depth: 4-12 High-Amplitude Multi Roll Surround Design allows for extreme excursions without sacrificing valuable cone area AlpineAs Patented compound Radius curve pole geometry ensure for an ultra symmetrical magnetic field