Bose 901 111 or IV equalizer. Only. Working ,, this does have marks on It , it was tested and used all seems to works fine ,but
the adjustments when useing you have to hold the top then slide , sold as is //
,,I used it until I recently bought JbL speakers so I'm selling Bose speakers and the EQ but they are in separate auctions but will sell together you have to contact me ,, Look at photos ask for more ,,this auction is just the EQ. No wires ,, just shipping within the USA mainland with that shipping price , sold. As is ,,