Earthquake Sound Intros Passive Radiator Module

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Earthquake Pump passive radiator

Earthquake Sound is proud to present the PUMP-12 passive radiator module. Essentially two horn loaded 12-inch passive radiators, the PUMP-12 has many different applications and uses. When using a sealed enclosure, there is one peak of resonant frequency at which the amplifier draws the least current.

The PUMP-12 will add up to +6db of bass without any need of additional input power and is to be installed in a sealed enclosure.


Cutout Dimensions 5-1/2” x 12-3/4”
Piston Area 226



  • Horn loaded neck
  • Anti-rocking dual suspension system
  • Increases speaker impedance
  • Adds up to 6dB


About Earthquake Sound Corp.

For over 30 years, Earthquake Sound has produced a variety of high quality audio products that have impressed audiophile communities around the world. In 1997, using his existing expertise in the audio industry, Joseph Sahyoun expanded his company to home audio production. From mobile audio to pro sound and home audio, Earthquake Sound has been selected as the winner of many prestigious awards based on sound quality, performance, value and features. Additionally, Earthquake Sound has been granted many design patents by the USPO for revolutionary audio designs that have changed the sound of the audio industry.               

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