Induction Dynamics S2.T-BG LoudspeakerInduction Dynamics S2 Two Way Freestanding Loudspeaker in Black Gloss Note: Minimum lead time of 3 weeks on all Induction Dynamics products. Contact Customer Service if you would like more information. Speakers sold individually. Purchase two for complete stereo system. The compact S2 is perfect for use as a main speaker and as surround speakers in a home theater system. S4X Technology gives precise control over the frequency response and phase of the