BT Series Amplified Complete Bass Solution & FREE Universal Mounting Bracket

           Amplified Bass Tubes: Bass Tubes enclosures promote maximum efficiency Optimized for corner loading for maximum bass output Integrated 50-watt, 100-watt or 250-watt amplifier Variable 50-250Hz crossover (BTA/MBTAxx250D versions only) Variable gain control Includes straps for secure mounting, the FAST-9999 Universal Harness and the FAST-BTAH Extension Cable  Fast, free shipping on orders over $50 BILT® 3D Interactive Instructions Assemble/Install with Confidence Warranties that LastGuaranteed for one year Description Our BT Series 8" Amplified Bass Tubes have an integrated 50W or 100W amplifer with a Bass Tubes enclosure design and variable gain control. They have variable 50Hz to 250Hz crossover (BTA/MBTAxx250D versions only) and are the perfect upgrade to your car's audio system. Ready to mount your 8" amplified bass tube? Our universal mounting brackets are included! Made to fit any size Bazooka bass tubes subwoofer, our mounting bra