Alpine SWR-1042D Type R 10 inch Specs

Audio 10" subwoofer with dual 4-ohm voice coils
Frequency Response 26-600 Hz
Material Kevlar reinforced pulp cone with Santoprene rubber surround; cast aluminum frame with perimeter venting
Peak Output 1,500 watts
RMS Power Rating 200-500 watts (250 watts per coil)
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