The DN-202WR is perfect for conditions where drilling holes or unsightly cable runs are forbidden. Use both the DN-202WT and this product to get stereo audio to and from two points. The DN-202WT is a wireless audio transmitter and features balanced XLR and 1/4-inch outputs, enabling users to send audio from a professional audio mixer or source through walls and ceilings up to 100 feet (30m) away. The companion receiver is the DN-202WR. Can use multiple AN-202WR's to one DN-202WT to optimize sound coverage.