Extron Electronics has made available its VoiceLift Pro Microphone, which utilizes digital transmission and pairing in a dedicated spectrum to provide higher sound quality, reliability and greater range with reduced interference. VoiceLift Pro integrates with any PlenumVault, WallVault or PoleVault installation, providing a com- plete classroom AV and voice amplification solution. The VoiceLift Pro Microphone is based on an industry standard radio frequency technology operating in a spectrum reserved exclusively for voice communications. The VLM 3001 system includes a pendant microphone, receiver and charging station, as well as cables necessary for connecting to an Extron Classroom AV System. The VLM 3002 adds a second pendant microphone while VLM 3002H includes a handheld microphone.