Adjust the Volume & Bass The R1100 has two available inputs for both PC and auxiliary ports. There are also two knobs located on the back of the active speaker used for controlling the sound. Adjust the volume and level of bass. Impressive Audio Playback The R1100 speakers are made for PC and other audio systems. The silk dome tweeters offer high-quality audio playback for all types of music. From electronic to rock, be prepared for a party at any time. The audio playback is also perfect for movies and gaming. Be immersed in any world you want to travel to. Polished Fiberboard The R1100 is made from top-tier medium-density fiberboard used for dampening unwanted sounds and vibration. These speakers will fit comfortably on your desk or your media center. * Silk dome tweeter 24W RMS * PC, AUX input * 100-240V auto-switching power * DRC controller * Low-cost High-quality Audio Solution