WW Speaker Cabinets X21 - B&C 21DS115-4 Specifications and Review

The WW Speaker Cabinets X21 - B&C 21DS115-4 ranks #1 out of 10 total Large Passive Home Subwoofers (Over 75 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

#1 WW Speaker Cabinets X21 - B&C 21DS115-4

  • CEA-2010-A Average (40-80Hz): 131.3 dB
  • Dimensions: 24.0”H x 32.0”W x 32.0”D (609.6 x 812.8 x 812.8 mm)
  • Discontinued: Yes
  • Driver(s): (1) 21 inch
  • Enclosure: ported, front
  • Measurement Source: Data-bass
  • Output SPL at 100 Hz: 139.0 dB
  • Output SPL at 12.5 Hz: 96.2 dB
  • Output SPL at 125 Hz: 140.1 dB
  • Output SPL at 15 Hz: 111.9 dB
  • Output SPL at 20 Hz: 121.9 dB
  • Output SPL at 25 Hz: 120.8 dB
  • Output SPL at 31.5 Hz: 122.5 dB
  • Output SPL at 40 Hz: 126.7 dB
  • Output SPL at 50 Hz: 129.2 dB
  • Output SPL at 63 Hz: 132.9 dB
  • Output SPL at 80 Hz: 136.3 dB
  • Passive: Yes
  • Weight: 115.0lbs / 52.2kg
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