New 2×100 Channel Wireless Microphone System AD4D-LED Beta58 Handheld Stage Sing
High Technical AD4D-LED Receiver AD2 Beta58 Handheld Digital Wireless System. Beta58 Digital Handheld transmitter Frequency range: 640-690MHZ, 2x100 Channel. 2x 100 Channel Large Range UHF Wireless Karaoke DJ Microphone.