Power Matched. Will faithfully follow the output of the combo driving it providing a balanced result Ultra Portable Performance. Turns your MB212 into a 1000 Watt 4x12 Custom Speaker Design. Speakers designed and manufactured by GK in the U.S.A. using Neodymium magnets for light weight Connectivity. Balanced input and output allows the connection of up to four cabinets delivering an extra 2000 Watts. Pair with the MB 212. Gallien KruegerI