The NUX B-7PSM is a wireless personal in-ear monitor system with automatic RF environment scan, 5.8GHz interference-free broadcasting frequency, and 24-bit / 40 kHz high-quality STEREO audio transmitting. From any position. On any stage. Hear every note in detail with NUX B-7PSM in-ear monitoring system. When coupling multiple B-7PSM systems, please turn on 1 set first, pair it, and then turn on the other sets sequentially.

Note: For best results the TX should be at least 1 meter above the ground, 2 meters away from Wi-Fi routers and wall or metal surfaces to minimize reflections.