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. What’s in the box. 1x Bass volume remote control. 2x high level input wiring harness. Driver Complement: 12 Subwoofer. Amplifier Power: 150W RMS, 450W Max. Frequency Response: 30Hz 200Hz. Dimensions (W x H x D): 22-1/2″ x 14-5/8″ x 9-3/16″D1 / 12-1/6″D2. Weight: 34.3 lbs. The Slipstream port technology eliminates turbulence which eliminates noise, inarticulate bass when driven. To ensure that the BassPro 12 stands the test of time, we utilize the rigorous quality control and testing standards. Lifecycle testing pushes each product to its limits, with 200 hours in an environmental testing chamber. Here we freeze them, bake them and give every product a sunburn with 150 hours of ultraviolet light. Speaker products are also subjected to 100 hours of rated power using specific frequencies and music. Single Box Total Solution. The whole system is carefully designed to integrate the 150Wrms amplifier, subwoofer, slipstream port into one MDF wood enclosure, which providing the easiest way to add powerful JBL bass to any car system. Bass Volume Remote Control. Bass Volume Remote control is included to let you adjust the sound from the driver’s seat -no more stopping to pop the trunk. The item “JBL BassPro 12 450W Car Powered Subwoofer System SUBBP12″ is in sale since Thursday, February 11, 2021. This item is in the category “Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers”. The seller is “electronic_express” and is located in Nashville, Tennessee. This item can be shipped to United States.