Earthquake Sound Introduces New Patented PUMP 12 Passive Radiator Design
Earthquake Sound is now promoting its latest patented design, which entails an advanced improvement over the previous patent for the successful Symmetrically Loaded Audio Passive System (S.L.A.P.S.) Radiator. Since its initial appearance in early prototype phase, the new PUMP 12 passive radiator design has been impressing everyone with its ability to increase a subwoofer's SPL up to 6dB. The new PUMP 12 passive radiator module is now available.