Bazooka RBCM-100 Remote Bass Control for Bazooka Base Tubes Allows User To Control Volume Of Select Bazooka Bass Tube Subwoofers From A Remote Location Works With Elaxx-hp, Btaxx100 & Mbtaxx100 Series Of 100w Amplified Bazooka Bass Tube Subwoofers Cord Length: 16.5ft For use with Bazooka EL and BT series amplified tubes with 100-watt max amplifiers Remote volume control 16-foot cable