Earthquake Sound Pump 12 12-Inch Horn-Loaded Dual Passive Radiator Module

Since its Initial appearance in Early Prototype phase this passive radiator module has been impressing everyone with its ability to increase the subwoofer’s SPL up to 6Db. The wait is finally over. Earthquake Sound is proud to present the Pump 12 passive radiator module. The Earthquake Sound Pump 12 is essentially two horn loaded 12-inch passive radiators in a single unit. With many different applications and uses the Pump 12 is designed to add up to +6Db of basswithout any need of additional Input power when installed in a sealed enclosure.