The Line 6 AMPLIFi TT guitar effect processor is a groundbreaking product that allows any musician to connect to their home theater system for practicing, and to take a compact, lightweight and easy to connect system to their gigs. The ability to use a simple software app via Bluetooth to control, program and customize the AMPLIFi TT to sound like your favorite guitarist, or to create your own signature tone, is revolutionary in the pro-audio arena. Line 6 has crossed the threshold from Pro-Audio to Home Theater with an amazing dual purpose product. Read Line 6 AMPLIFi TT Guitar Effects Processor Review