Dual VHF Wireless Microphone - Adkins Pro Audio - Quality Audio at Affordable Prices! All the advantages and freedom of 2 channels of wireless operation without cumbersome cords Easy to use - simply plug in instead of your wired microphones. 1/4" audio output jack - Use both channels with single receiver and two handheld microphone transmitters for simultaneous dual operation Excellent high fidelity audio - perfect for public speaking, karaoke/recreational singers, DJ's, and many other applications VHF (170-216MHz) operation for reliable, interference-free performance 150+ feet typical operating range - up to 300+ feet line-of-sight