This NEW (never opened) Bose Acoustimass 3 Series IV Speaker System Owner's Manual Guide is a must-have for any vintage audio and video enthusiast. With clear instructions and diagrams, this manual will guide you through the proper usage and maintenance of your Bose speaker system. It's the perfect addition to your collection of vintage manuals and parts, and a valuable resource for keeping your vintage electronics in top shape. Get your hands on this manual and take your Bose Acoustimass 3 Series IV Speaker System to the next level!