Room to Roam If you use your laptop or notebook to listen to music, watch movies or play games, but want to get away from your desk and still enjoy true-to-life sound, the ProMedia 2.1 Wireless computer speakers are for you. The ProMedia wirelessly "talks" to your computer via a USB wireless transmitter. All you have to do is plug the transmitter into your computer"s USB port and you"re ready to move around your room and still experience the big, powerful sound that"s made Klipsch an industry leader. It"s that simple -- no router or installation software is required. The transmitter can stream audio wirelessly from your computer to the ProMedia up to 30 feet away. Plus, its robust 2.4 GHz wireless technology won"t interfere with other wireless devices, such as cordless phones, so nothing stands in the way of you and amazing sound. Tip: iPhone and iPod Touch owners with a Wi-Fi Connection can use Apple"s Remote Application to wirelessly control the iTunes on their computers. Classic Award-Winning Sound The original THX®-certified ProMedia 2.1 was introduced in 2000, and over the years it has become one of the highest praised, best-selling products Klipsch has ever produced. Therefore, Klipsch designed the ProMedia 2.1 Wireless to sound just like it. With or without wires, the ProMedia remains the defacto 2.1 standard for computer speakers - it"s even been known to put some home theaters to shame. FREQUENCY RESPONSE: 31Hz - 20kHz MAX ACOUSTIC OUTPUT: 106dB SPL AMPLIFIER POWER: Per Satellite: 35 watts Subwoofer: 50 watts TWEETER 0.75" Poly compression driver WOOFER 3" long-throw fiber-composite cone SUBWOOFER: One side-firing 6.5" long-throw fiber composite cone DIMENSIONS Satellite: 8.5" x 4.2" x 5.67" Subwoofer: 9.5" x 9.8" x 10.2" WEIGHT: Satellite: 2.1 lbs. Subwoofer: 11 lbs. VOLTAGE 110/120 VAC