Using the Niles SI-2100 As a part of a multi-room audio system or as the amplifier in your main listening room, Youll find that it delivers plenty of pristine, dynamic stereo power. Its high-current design allows it to handle unusual and reactive loads with ease, including the ability to safely drive up to three pairs of directly connected 8-ohm speakers at the same time. The Niles SI-2100 cutting-edge, independent digital power supplies for each channel prevent cross-talk interference, ensuring clean, spacious sound.