Dual 18” Subwoofer


  • Very high acoustic output capability: 140.5 dB SPL (1m) peak
  • Tight musical "punch" combined with low-frequency extension down to 27.4 Hz
  • Elegant transport and handling features including an optional transport dolly plus soft cover and four thoughtfully placed handles
  • Premium-grade, long-excursion, high-power woofers with 4", fiberglass voice coils, double layer spiders and triple-roll surrounds
  • 18 mm birch ply enclosure with independent, dual chambers and extensive internal bracing for rigidity and solid, accurate reproduction
  • Finish available in black (GP218-sw-BK) or white (GP218-sw-WH).
  • Cinema-version available for surround LFE