About: JBL SUBBP12AM 12" Amplified Subwoofer with Sub Level Control 

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 150W rms amplifier the BassPro 12 really delivers. Also the Bass Volume Remote control is included for easy adjustment, no more stopping to pop the trunk.

Slipstream Port Technology

The Slipstream port technology eliminates turbulence which eliminates noise, inarticulate bass when driven.

Reliable Performance

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 150W RMS 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.