New JBL BassPro 12 Ported Powered Subwoofer with 12" Sub and 150-watt Amp JBL BassPro 12 delivers 150 Watts of powered noise-free deep bass thanks to JBL's patented Slipstream port technology. The Slipstream port is mathematically engineered to keep airflow with the port turbulence-free, which avoiding the common shortcoming of traditional ported boxes. Coupled with the built-in 150Wrms amplifier the BassPro 12 really delivers. Also the Bass Volume Remote control is included for easy adjustment, no more stopping to pop the trunk.
