Hafler Pro 1200 Rack Mount Power Amplifier Amp. This professional grade power amplifier is in perfect working and nice cosmetic condition, and a google search will show most asking prices are close to double mine! Factory manual with specifications can be found with a Google search. The item "Hafler Pro 1200 Rack Mount Power Amplifier Amp" is in sale since Tuesday, November 9, 2021. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Amplifiers". The seller is "jimmyrayking" and is located in Anoka, Minnesota. This item can be shipped to United States.