The M series boasts impressive performance with extended excursion capability. It also features a very rational price due to the annular stamped steel chassis.

Earthquake SLAPS are Tunable Passive Radiators that provide additional bass, without additional amplifier power or enclosure volume.

Designed to perfectly complement all good quality long-throw woofers on the market. SLAPS add up to +6dB of bass compared to regular sealed and ported enclosures. The benefit of them being user tunable is they can be integrated into virtually any sub/ cabinet combination.

Key Installation Benefits:

• Installs just like a subwoofer
• Slim-mount design is only 3-inches deep
• No increase over existing sealed subwoofer enclosure sizes
• Easy tuning for quick adjustments

Subwoofer Design with SLAPS Passive Radiators Calculator (opens in new tab)