Technical Pro WM-200 Wireless Microphone System with 2 Mics (Black) Great choice for karoake use and general voice recording Wireless microphones with unidirectional pickup pattern Range of approximately 50 feet Mic audio output provided through a single, unbalanced 1/4-inch jack Two microphones and one receiver included Dual signal VHF high band Two microphones and one receiver included Frequency range: 109-120MHz - maximum deviation range: 75kHz - frequency response: 100Hz-10kHz Signal to noise ratio: &gt;80 dB - Modulation mode: FM - THD: 80dB - Service area: &gt;50 feet Dual signal VHF high band, 110V