Powerful JBL bass amplificationJBL BassPro 12 delivers 150 watt noise-free deep basses thanks to the patented slipstream port technology of JBL. The slipstream port is mathematically calculated to keep the air flow at the port turbulence-free, avoiding the usual problem with conventional port boxes. Together with the built-in 150 W RMS amplifier, the BassPro 12 delivers real power. In addition, the bass volume remote control is included in the delivery, which enables an easy setting without stopping to open the boot.FeaturesSlipstream port technologyReliable performanceSingle box total solutionRemote control for bass volumeActive 12" (300 mm) car subwoofer system with slipstream port technologyFeatures and benefitsSlipstream port technologySlip stream port technology eliminates turbulence that eliminates noise and unarticulated bass when driving.Reliable performanceFor a long service life of the BassPro 12 we use strict quality control and testing standards. Endurance tests with 215 ho