Earthquake SLAPS are Tuned Radiators that provide 'additional bass, without additional amplifier power or enclosure volume.
Designed to perfectly complement all most all
Earthquake subwoofers, they add up to +6dB of bass to this lines of high-output subwoofers. Plus, thanks to usertunable adjustments, they can be set to match any vehicle requirement or musical preference.

• Key System Benefits
• Coupled with all most all woofers, SLAPS increases output without added amplifier power or enclosure volume
• Suitable for high output needs where space is limited
• User-tunable adjustments can be set to match a range of vehicle requirements and musical. preferences
• Key Installation Benefits
• Installs just like a subwoofer Slim-mount design is only 3inches deep
• No increase over existing sealed subwoofer enclosure sizes
• Easy tunning for quick adjustments
• SWE Super Wide Edge Surround Up to 6+dB
• Low volume enclosures
• More space
• More SPL
• Better sound quality
• SLAPS-15
  
  
  
• 15" Single Roll High Performance Passive Radiator, 2.5" Excursion