JBL GTO-RBC Wired Remote Volume Control for GTO-EZ Series Subwoofers (Black)

Buy from Amazon : http://www.amazon.com/gp/product/B00D353DPS?tag=wayofcats-20 <br /> <br />JBL GTO-RBC Wired Remote Volume Control for GTO-EZ Series Subwoofers (Black) <br /> <br />Remote Bass Control for GTO-EZ amplifiers