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Presentation & Dissertation

Opus 681 Set
Vocalset, comprises of NE 600 S receiver and handheld transmitter SEM 681 (electret condenser, cardioid)
Article Number: 700649
Available at authorized resellers
SEM 681
Handheld transmitter with interchangeable EM 981 S microphone head (electret condenser, cardioid) for Opus 600 series receivers
Article Number: 701017
Available at authorized resellers



The beyerdynamic TG V90r ribbon microphone is the "Microphone of the Year" in the reader’s poll of the magazine "Soundcheck".

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Communications and security experts have linked the persisting wireless signal interference in Nigeria to absence of expertise or weak regulatory m...

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