JBL brings high fidelity to multimedia. This system incorporates 10 watts of stereo power playing into a 3 inch woofer and 1-1/2 inch tweeter combination; its stereo amplifier is designed to meet the high-quality specifications needed for clear sound at almost any volume. With a frequency response fo 100Hz - 20kHz; it as what it takes to make your PC sound like your very own sound arena. These speakers power up automatically when you turn on your computer. Sold as pair. Prior season's model.