Boundary Compliant Sub with 4 12s

The BC412 is another unique subwoofer alignment from Danley Sound Labs. Using four 12” woofers combining into a single exit provides massive amounts of punch and extension out of a single cabinet. Due to the physical size of the BC design’s center exit the boundary exhibits forward directivity which can be increased when used in stacking multiple enclosures.

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Just what I needed! …. Thor


BC412-S1 BC412-S2


  • operating
    frequency range

    44Hz-200Hz -3dB
    36Hz-200hz -10dB
  • continuous output
    142 dB SPL
  • peak output
    148 dB SPL
  • sensitivity
    119 dBSPL @ 125 Hz (Referenced to 2.83V @1M 1⁄2 space, measured as 28.3V @ 10M)
  • driver complement
    Four 12 inch Long Excursion
  • dimensions
    50″ X 50″ X 18″
  • weight
    277 lbs.
  • Rated Impedance
    2 ohms or 2 x 4 ohms
  • Power Rating
    4000 W continuous