BGW Systems Audio Professional Stereo / Mono Power Amplifier Model 250D TESTED. Fully tested and sounds good! 3 Sets of RCA and Motorola power transistors per channel!I have a few of these for sale (and some 250E's listed as well), so the one you get may vary slightly in cosmetic condition! This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Amplifiers". The seller is "digginforgoldtradingpost" and is located in this country: US. This item can be shipped to United States.