Edifier R1700BT Bluetooth Bookshelf Speakers - Active Near-field Studio Monitors - Powered Speakers 2.0 Setup Wooden Enclosure - 66w RMS The R1700BT is a powerful studio speaker set with an edgy design. It produces 66W RMS from the 4 inch bass driver and 19mm tweeter driver in each speaker. A front facing bass reflex port emphasizes lower frequencies, allowing for richer bass performance. The R1700BT incorporates Digital Signal Processing (DSP) and Dynamic Range Control (DRC) to prevent distortion levels even at the highest volumes,producing crisp, clean audio. Versatile speakers will have you wanting to play every device off of them. Plug in your gaming console, computer or TV for exceptional sound quality. The R1700BT has built-in Digital Signal Processing (DSP) and Dynamic Range Control (DRC) to prevent distortion. The R1700BT is equipped with a 19mm dome tweeter and a 4-inch bass driver in each speaker creates rich lows and clear highs. With the front facing bass reflex port, low frequencies are emphasized giving the bass more power.