Crown Itech 4000 professional power amplifier, fully functional tested and everything works as intended, great cosmetic condition with some rack rash. Thanks for looking and please see my other listings. The item "CROWN ITECH 4000 PROFESSIONAL POWER AMPLIFIER" is in sale since Monday, March 30, 2020. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Amplifiers". The seller is "jancunue" and is located in Arverne, New York. This item can be shipped to United States.