Check the listing for details. 4CH Wireless VHF Microphone System Handheld & Headset Lavalier Bodypacks KTV Mic. Color: Black, Condition: New. Listed at 139.98 USD. STARAUDIO Professional Black PA DJ Stage Church 4 Channel VHF Handheld & Wireless Headset Lavalier Bodypacks Microphone KTV Club Party Mic System SMV-4000AB Features: Technical Specifications: Frequency Range: 190-270MHz Frequency Response: 60Hz-16KHz 3dB SNR: >90dB Frequency Stability:0.005% Output Power: 0-400mV T.H.D: STARAUDIO STARAUDIO Professional Black PA DJ Stage Church 4 Channel VHF Handheld & Wireless Headset Lavalier Bodypacks Microphone KTV Club Party Mic System SMV-4000AB Product Description: STARAUDIO SMV-4000AB is a high quality professional and reliable 4 channel VHF wireless Handheld or Headset microphone systems. It uses the most advanced technology called SMT (Surface Mounted Technology) and is made of the highest quality surface mounted components to ensure its quality and reliability. It’s ideal for professional performance, in church or home karaoke use. Product Details: High Quality Wireless VHF Receiver with Daul Anttennas Digital L.E.D Display Individual Channel Volume Controls Operating Range: Dynamic Handheld or Headset System:350 Feet ( 100 Meters) 4 Pcs Wireless Dynamic Handheld or Headset Mic power Supply Microphone Batteries Included. Features: Technical Specifications: Frequency Range: 190-270MHz Frequency Response: 60Hz-16KHz 3dB SNR: >90dB Frequency Stability:0.005% Output Power: 0-400mV T.H.D: