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{tab Introduction}

Producing deep, chest-pounding bass in a limited space had always been a challenge. That is, until now. By utilizing two patented technologies—SWS shallow woofer system and SLAPS passive radiator technology—the Thor in-wall subwoofers have a mere 95mm depth and the ability to produce sub-harmonic bass as low as 20Hz with no distortions or resonance.

In addition to producing the lowest bass possible from anin-wall subwoofer and being the thinnest of its kind, Thor is shipped with two types of grilles. One being a perforatedmetal grille that is paintable and the other is a custom cloth grille. The custom cloth grille allows user to incorporate any type and colour cloth preferred. Now you orinstallers can actually match the subwoofer to the colour ofthe walls or carpet. No matter what your preference is, it is a win-win situation.

Custom installers agree that the Thor's ease of installation is truly one of a kind. This installer friendlysubwoofer screws directly into standard 16" centre-on-centre or 24" centre-on-centre stud gaps from the front; Which means that the use of brackets and other complicated methods is eliminated completely. Also, resonance is eliminated by the use of dog-ear clamps, whichsecurely lock the sheet rock into place. Designed and patented exclusively by Joseph Sahyoun, the Thor in-wall subwoofer has quickly become another great innovation in rapidly advancing home theatre market.


  • Patented SWS Shallow Woofer System
  • Neodymium subwoofer magnet
  • Patented SLAPS Passive Radiator
  • Sub harmonics down to 20Hz
  • <96mm mounting depth
  • Custom grille options
  • Bolts directly to joists... from the front!


  • Recommended Amplifier Power: 100-300 Watts
  • Frequency Response: 20-160Hz
  • Sensitivity: 89dB
  • Impedance: 4-ohm
  • Active Driver: 10” long throw SWS subwoofer
  • Cabinet Design: Passive
  • Weight: 26lbs, 40kg
  • Finish: White / paintable
  • Grille: Options include standard metal mesh and custom cloth.
    Earthquake includes two custom cloth grille rings so installers and you can agree on any colour or textured cloth.
  • Dimensions:
    • Outer dimensions:
      • Height:711mm
      • Width: 473 mm
    • Cutout dimensions:
      • Height: 610 mm
      • Width: 349 mm
      • Depth: 96 mm
{tab Downloads}
pdf; 526KB IW-SUB10
{tab About Earthquake Sound}

In 1984, Joseph J. Sahyoun, a music freak and Aerospace Engineer unhappy with the existing loud speaker technology and performance, decided to put his advanced knowledge in aerospace technology to use.  He pushed his technological boundaries to the limit to create the kind of subwoofer he could live with. 

Earthquake's innovative audio technologies connect millions of people around the world with the sound solutions they need.  EQ Sound designs, manufactures, and markets high performance audio systems for use in home and audio-video systems, and after-market and OEM automotive systems.


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