Earthquake Sound Limestone-10D Outdoor Subwoofer

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The ROCK-on subwoofer, Limestone-10D, brings bass to your outdoor space, something that is greatly needed in today’s rock speaker market. The Limestone-10D features high power crossovers that reduce distortions and deliver pure sound that blends in with nature. This dual voice coil subwoofer boasts an “S” shaped port so water cannot get trapped inside. We have tested and retested our subwoofer to ensure it is up to par with our reputable line of subs. Combined with the Limestone-82 speakers, you can turn any backyard into an entertainment center.


  • UV treated and weather-resistant enclosure materials
  • Durable 15mm epoxy resin construction
  • Completely sealed speaker with butyl rubber surround, polypropylene cone, and polypropylene dust cap
  • Rock-like appearance and finish to easily blend in with any outdoor environment
  • “S” shaped port prevents water/moisture from entering and adds 3dB
  • Soft injection molded rubber spider for waterproofing and durability
  • Paintable enclosure to match any environment
  • Woofer size: 10″
  • Frequency Response: 30Hz–100Hz
  • Power Handling: 250 WRMS / 500W MAX
  • Sensitivity: 92dB
  • Impedance: 8-Ohm (2 x 4 Ohm)
  • Voice Coil Diameter: 2.5″ (63.5 mm)
  • Surround Material: Butyl Rubber
  • Cone material: Polypropylene
  • Dust cap material: Polypropylene
  • Enclosure Material: Epoxy Resin


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