Bazooka BTA8100FCH BT Series 8" Amplified Tube Subwoofer: * 100W powered tube * Complete bass solution for a universal OEM and aftermarket integration * Upgrades any system (OEM or aftermarket) * No drilling a hole through firewall * Optional chrome-plated UMS brackets and remote bass control module * Size: 8" * Includes universal Fast-9999 and BTAH extension cable