Celebrating our 20 YEAR Anniversary Massive Audio™ introduces the “BOA” SERIES 12,000 Watt Mega Subwoofers;
Now in-stock and shipping!

“BOA” SERIES 12” & 15” Subwoofers are dual 1 Ohm at 6,000 Watts RMS & 12,000 Watts MAX. The “BOA121” & “BOA151” both use 4” Dual Impedance Black Anodized Voice Coil Formers with Kevlar Spunlace and have 100% pure copper wires connected directly to the voice coils. Both models support a custom tooled rubber gasket and magnet boot with massive high energy triple stacked 470oz Strontium magnets. Both models are bolted into heavy duty rugged industrial textured cast aluminum baskets that help achieve 88.9 dB efficiency (BOA121) and 90 dB (BOA151) with SPL @ 2.83v/m.

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  • Heavy Duty Rugged Industrial Textured Cast Aluminum Basket
  • Kevlar Fiber Reinforced Non-Pressed Paper Cone with Industrial Textured Finish
  • EROM Foam Surround with Red Stitching
  • 4” Dual Impedance Black Anodized Voice Coil Former with Kevlar Spunlace
  • Reinforced Fiberglass Woven Dust Cap
  • High Energy Triple Stacked 470oz Strontium Magnets
  • Over Sized Mirror Image 6 Layers Poly/Nomex Spiders
  • Black Anodized One-Piece Pole-Plate for added Motor Force
  • Triple Black Poly Cotton Spiders with Mirror Image Layout
  • Customized Rubber Gasket and Magnet Boot
  • Heavy Duty Pure Copper Direct Input Wires Connected to each Voice Coil
  • Dual 1 Ohm Impedance


Size: 12″ / 15″
Peak Power: 12,000 watts
RMS Power: 6,000 watts
Cone: Non-Pressed Paper
Voice Coil: 4″ Dual 1 Ohm
Surround: EROM Foam with Red Stitching
Magnet: 470oz Triple Stacked Strontium
Terminals: Heavy Duty Copper Direct Input Wires
Basket: Die Cast
Tinsel Leads: Heavy Duty Triple
X-Max (2-Way) : 25 mm
SPL: 88.9 dB / 90 dB


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