TREO Engineering
SSi Subwoofers
TREO SS Subwoofers
TREO SS Subwoofers

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The Street Series improved subwoofers are the culmination of over four years of development of the ultimate street bass subwoofer.  Designed to turn heads and make a statement, these drivers will definitely attract a crowd with their sound, and keep it with their classic cosmetics.  Super-strong fortified poly cones, Nomex flat dampers, integrated tinsel leads, and American craftsmanship make this a woofer built to last.

The power handling of the SSi subwoofer has been increased by fifty percent for 2004. The ten, twelve, and fifteen inch SSi subwoofers are now rated to handle up to 750 watts RMS. The eighteen inch SSi subwoofers are now rated to handle an even 1000 watts RMS for the new year.

The SSi is now available in a new 8 inch size for applications with limited enclosure volume and/or depth. The SSi 8 is a true subwoofer rated to handle 500W RMS.


  • Available in 8, 10, 12, 15, 18 inch diameters.
  • Precision CNC-machined low-carbon steel motor structure with durable and attractive polished nickel finish (128oz on SSi 8.xx, 288oz on SSi10.xx-SSi15.xx, 488oz on SSi18.xx)
  • High-flow large diameter hyper-extended vented pole piece keeps it cool
  • Black color-matched strontium ferrite magnet
  • High excursion motor structure and suspension design
  • Five-layer Poly-ether UV-treated foam surround
  • large-diameter high-temperature Nomex dampers
  • Integrated tinsel leads for increased reliability and enhanced sound quality at high excursion
  • Attractive anti-resonance Die-cast aluminum basket with TREO Engineering-exclusive perimeter venting
  • Mica-impregnated polypropylene cone and dustcap
  • 2.0 inch, high-temperature aluminum voice coils with integral heatsink on SSi 8.xx
  • 3.0 inch, high-temperature aluminum voice coils with integral heatsink on SSi10.xx, SSi12.xx, SSi15.xx & SSi18.xx
  • 500 Watts RMS power handling on SSi 8.xx
  • 750 Watts RMS power handling on SSi10.xx, SSi12.xx & SSi15.xx
  • 1000 Watts RMS power handling on SSi18.xx
  • Dual 2 Ohm and dual 4 Ohm voice coils available for maximum installation flexibility
  • Nickel-plated spring-loaded push terminals retain up to 8 AWG wire
  • Optimized for small to medium sealed, vented, infinite baffle, and bandpass enclosures
  • Three-year dealer installed warranty
  • Hand-built in the United States from domestic and imported components

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