Rockville RWM4200VH is a wireless microphone system featuring four-channel operation, a frequency range of 175MHz-216MHz, and a stable frequency response of 50Hz-15KHz. It boasts a dynamic range of 110dB, a signal-to-noise ratio of 90dB, and a low total harmonic distortion of less than 0.1%. With an impressive operating range of 100-200 feet indoors and 65-165 feet outdoors, this system ensures reliable signal transmission even in challenging environments. Rockville RWM4200VH is perfect for various applications, including live performances, conferences, presentations, and more.