Compact 2-way speakers, Experience BOSE's high sound quality. No issues with normal use. Consecutive serial numbers. Used item with some minor scratches and signs of wear. Sold only as pictured, please check the images. I am an amateur and cannot answer technical questions. No original box, will be shipped in a separate cardboard box. *No claims or returns after purchase. - Model: 111AD - Impedance: 6Ω - Max Power: 150W - RMS Power: 45W