Alpine R2-W8D4 Battery Frame Material: Reinforced plastic

Frame Material: Reinforced plastic

7 dB @ 1 W/1m

This amplifier is designed to perform on music applications ( with speakers )

higher-excursion experience

these drivers deliver crisp highs and clarity without fatigue in everyday listening

Alpine R2-W8D4 Battery Frame Material: Reinforced plastic8" subwoofer with dual 4 ohm voice coils Kevlar reinforced pulp cone with HAMR Santoprene rubber surround frequency response: 30 200 Hz power handling: 150 350 watts RMS (175 watts per coil) peak power: 1,000 watts sensitivity: 83. 7 dB top mount depth: 4. 631" mounting height: 0. 875" sealed box volume: 0. 2 0. 5 cu. ft. ported box volume: 0. 3 0. 75 cu. ft.