AXESS MPWL1509 VHF Channel Long Range Wireless Microphone System with Two Microphones Professional dual VHF wireless microphone system Two handheld wireless microphones included Operation range: up to 200 feet Frequency range: 160-270MHz Power On/Off switch, mute switch, power and low battery LED indicators, dual RF indicators, dual AF level meters, dual volume controls 1/4-inch mixed output (1/4-inch audio cable included) IMPORTANT: Product requires a powered (not passive) output device (speaker, amp, ect.) for use IMPORTANT: Two 9V batteries required (included batteries are for testing purposes only, recommended to use Alkaline batteries). Please refer the User Manual and also the Troubleshooting steps before use.