Great unit in excellent working order. I just recently had it serviced by the Focusrite factory authorized service point in Las Vegas. The item "Focusrite ISA428 MkII 4 Channel Pre-Amp/Processor Amplifier" is in sale since Friday, August 26, 2016. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Preamps & Channel Strips". The seller is "trinity386" and is located in Fallon, Nevada. This item can be shipped to United States.