Bell'O Digital BDS4012-40-E474  40" Sound Bar Speaker Shelf, Dark Espresso 4 professional tuned speaker drivers, with a 2-way design and tuned bass support to create a rich, detailed soundscape, the large sound cavity helps ensure dynamic audio Built-in Bluetooth makes it easy to wirelessly enjoy music stored on a compatible Bluetooth-enabled device Add an optional Bell'O Digital wireless subwoofer to enhance your listening experience - (BDSW-1650-BLK sold separately) Several audio input options including Bluetooth, Digital Fiber Optic, RCA Stereo, two 3.5mm inputs and Subwoofer Out The low noise, low distortion Class D amplifier reproduces even the most delicate nuances, providing natural sound and powerful performances