POWERFUL 2.1 SOUND QUALITY WITH BOOMING SUBWOOFER: Satellite channel speakers and bass heavy sub woofer stream audio from any device using a standard 3.5mm AUX input or headphone port VOLUME & BASS CONTROLS: Adjust the sound on the Full-range 5 watt satellite speakers & side-firing 10 watt subwoofer which produces 40 watt peak power using the easy to reach on-board control knobs