Sonance Original Series Medium in-ceiling speakers feature a pivoting woofer assembly that directs the speaker's output for maximum performance, even with less than ideal placement. Ideal for both multi-channel home theater and stereo music applications, Original Series Medium in-ceiling speakers deliver impressive musical performace, yet they effortlessly integrate into almost any lifestyle. All Original Series Medium models feature 6 1/2" (165mm) woofers that deliver impressive bass from a small, easy-to-install footprint.