The stylish and rock-spirited Klipsch R-51PM active speakers are the perfect choice for the home of an audiophile. The Klipsch R-51PM speakers have a comprehensive selection of connections – a connector for TV, a USB connection for a computer, and a turntable connection (RCA) with a built-in preamplifier. With Bluetooth, you can connect the speakers to any Bluetooth device. You don't need any separate devices – these versatile speakers are equipped with a built-in amplifier.