ProMedia 2.1 Personal Audio Sy 200 watts total system power &gt;@ &lt; 1% THD Provides quality sound for games, music and videos. Side-firing 6.5" long-throw fiber composite cone bass reflex subwoofer 0.75" poly compression driver Along with 3" long-throw fiber-composite cone woofer delivers clear-sounding highs and lows. 90 x 40 MicroTractrix Horn For audio that's clear and crisp. Digital/linear A/B amplifier With discrete MOSFET output power section for brilliant sound.