The Polk Audio Signa S2 is a 2.1-channel sound bar with an included wireless subwoofer and Polk Voice Adjust dialogue enhancement, delivering deep bass and clear voices in a low-profile design. It connects through HDMI ARC and optical, and supports Bluetooth streaming. This unit is Open Box. Included wireless subwoofer adds deep, impactful bass for movies and music Polk Voice Adjust enhancement keeps dialogue clear and easy to follow This description was generated by AI and reviewed for accuracy.