Manufacturer Part Number: 21SW152-4 B&C s 21SW152 21 subwoofer driver features a massive 260 square inches of diaphragm surface area-nearly 40% more than an 18 driver and equal to double the Sd of a typical 15 . Key Features: 4 000 watt continuous... more
Speaker Size : 12 Inches Number Of Subwoofers : 2 Construction : 3/4 MDF Volume : 2.56 Cu. Ft. Enclosure Type : Sealed SPECIFICATIONS: CUTOUT DIAMETER: 11 1/8 TOTAL AIR VOLUME: 2.56 CUBIC FT. 2 INDIVIDUAL CHAMBERS VOLUME PER SUBWOOFER: 1.28 CUBIC FT.... more
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