These SM Active Studio monitors are professional quality studio monitors and are also very suitable for multimedia use. These speakers are designed to produce a flat frequency response for (home) studio recording, mixing and mastering. The volume, bass and treble controls are located on the rear panel for adjustments based on your personal preference. The SM series uses analog amplifiers built into the left speaker, while the right speaker is passive, connecting is plug and play. Vonyx SM Active Studio Monitor Speakers create a new level of performance in affordable studio monitors.