Filter Filters Under $50 Bazooka Remove All Filters Condition New (4) Bazooka RBCM-100 Remote Bass Control Knob $19.99 Bazooka RBCM-250D Remote Bass Control Knob for BTA 250D Series $35.99 Bazooka UMS6A Universal 6" Bass Tube Mounting System $34.99 Bazooka FAST-BTAH FAST Extension cable for BTA Bass Tubes $29.99