Riptunes 400-Watt Indoor Bookshelf Speaker

Effortless Bluetooth Wireless Streaming. Impressive 40 watts RMS speaker output (400 Watts P.M.P.O.). Two 5W Tweeters (High Frequency). Two 7.5W Woofers (Mid-level Frequency). 15W Subwoofer (Low Frequency). Frequency Response: 45 Hz - 20 KHz. 3.5mm Audio Line-in. 5W/1A USB Power Output.