The S1 speaker is a 2-way design that can be used as front speakers, or rear channel speakers in a surround system. The small size and powerful output allow flexible placement options in your room. They can be placed in a bookshelf, or on speaker stands. The S1 speaker can be integrated with the P1 Active Subwoofer. To create a "powered tower" speaker using the SCT? system, simply "dock" the two speakers together. The result is a speaker with incredible bass output, stunning looks