Sound Town SWM10-U2HH Wireless Microphone System with 2 Handheld MicsThis dual-channel UHF wireless microphone system includes two handheld microphones ideal for live events, business presentations, and entertainment venues. The ultra-high frequency operation minimizes interference from electronic devices, while preset frequencies at 540.9 MHz and 581.4 MHz comply with FCC regulations. Independent volume controls let you balance each mic separately. The system reaches up to 200 feet, making it suitable for medium-sized spaces like meeting rooms, schools, churches, and outdoor poundsProductdimensions