Alpine S2-W8D4

- Dual Voice Coil Subwoofer with Configuration Jumpers

- Carbon Fiber / Poly Propylene Cone

- Poly Propylene / Ceramic Dust Cap

- High-Grade Strontium Ferrite Magnets

- Twist-Lock Grille Mount System

- High-Amplitude Multi-Roll (H.A.M.R.) Surround

- Push-Type Speaker Terminals (Up to 8 AWG Wire Size)

- Grille not included

- Power Handling: 300 W RMS / 900 W Peak

- Nominal Impedance: 4 Ω

- Frequency Response: 23 Hz - 215 Hz

- Sensitivity (1 W / 1 m): 82.7 dB

- Voice Coil: 3.55 cm

- X-Max (1-Way): 13 mm

- Magnet Weight: 0.96 kg

- Sealed box volume: 5.1 - 15 liters

- Ported box volume: 10.8 - 20.7 liters