The Pyle PBKSP33BK Powered Bookshelf Speakers offer high-quality stereo sound for home, studio, or desktop setups. With a 300W power output, 4-inch monitor speaker driver, and 1.0"" tweeter, they deliver crisp highs and deep bass. Featuring Bluetooth 5.0 connectivity, these speakers can wirelessly stream music from your smartphone, tablet, laptop, or computer. They also support MP3 digital audio files and up to 16GB Usb flash drive playback. The system includes an active and passive speaker, Rca input cable, and easy connection terminals. Perfect for anyone looking for powerful, compact speakers for their home or office.