Focusrite ISA 428 MKI (Original) - 4 Channels of Preamps. No issues, all 4 channels clean and in perfect condition, all lighting intact and bright. The item "Focusrite ISA 428 MKI (Original) 4 Channels of Preamps" is in sale since Monday, October 19, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Preamps & Channel Strips". The seller is "uroc37" and is located in Palm Beach Gardens, Florida.This item can be shipped to United States.