Make your backyard party or event something to remember with this Wireless Microphone System Compatible with any external speaker that has a 1/4" microphone input, such as the voximic PartyBox, plug and play functionality means your voice comes through the speaker as soon as the receiver and mics are turned on. The two microphones allow your guests to sing karaoke solo or as a duet. Utilizing Shure Original Pro Sound and wireless dual-channel UHF, vocals come through crisp and clear, without delay or distortion. Automatic frequency scanning to find and set