It's a very precise preamp. Class A design. Built in world class phono for MM and MC It will work in either passive or active mode with gain. (Separate power supply ) so that there is no power interference. Two preamp outputs for bi-amplification or running a subwoofer. It is a very precise preamp in the transfer of musical information and the class A circuit is very smooth for sound and texture. Very transparent and excellent sound recording.In excellent shape. NOTE PRICE IN US DOLLARS.( PAYPAL ADD 3.5% ) NOTE PRICE IS U.S dollars.