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Just bough a DM-452 Echo mike for a small set up with a Uniden pro 510 XL

The stuff masnt arrived yet. Reading about the mic The echo is controlded by a slide on the front. And Dual Inside controls control the amount of Microphone Amplification and Echo Repeat Speed. does the mic have to be taken apart or are there holes for a little screw driver???? never had one of these mics.