This Optimus Pro Sw-160 subwoofer system is a powerful and high-quality addition to any home audio setup. With a dual 8-ohms coil impedance and RMS power of 420W, this unit delivers impressive sound. The rectangular shape and black color make it a sleek and stylish addition to any room. This subwoofer has push-in audio inputs and connectivity, and is a 2.0 channel system configuration. It is a unit type, with a model number of Pro Sw-12 and was manufactured in Japan. The subwoofer is compatible with a variety of audio devices, making it a versatile choice for any home theater or music setup.Used with signs of normal usage but overall in great shape and fully tested. Due to weight and dimensions this package can not be send to Alaska, Puerto Rico, Hawaii, APO or PO box address.