-The Backline 1200/2400 Watt Power station is a must have for any serious touring act. each Backline unit contains two separate 50/60 Hz international proprietary wound 10 ampere rated Toroid transformers, separated into two fully selectable channel banks. Each bank will provide 1200watts of continuous , fully selectable voltage control . On the back of the unit is the Master Power switch , Once powered on the user may select Bank A or B or A and B depending on your amp/ outboard /studio / voltage level and load requirements. Backline circuitry includes - First stage/ Power up Inrush current protection and Hospital/ Critical grade line filtering ..the best in the industry. Draw the Line at perfection. Lifetime warranty.