Azden Whdpro/630 On-camera VHF Lavalier/mini Headset Wireless & Directional Microphone The all-time best selling wireless microphone for videography. All receivers and transmitters in the PRO Series are on the same 2 frequencies (169.445MHz and 170.245MHz). The directional stereo wired microphone comes with foam windscreen and shock-mount holder. This microphone reduces side and background sounds and has a switchable LF filter for clear sound. Designed for HD-SLRs and Mini DV Cameras Includes a high quality Wireless Lavalier/Mini Headset Microphone and high performance directional Stereo Microphone.