The DU30b is a microphone preamp and background music preamp. When an announcement is made into the microphone, the music is automatically "ducked" under the announcement. Then the music is brought back to it?s previous level.
JSP Systems LLC, DBA:Digital Systems Integration
10230 Progress Ln Parker, CO 80134
Contact-Ph: 720-326-0664 email: info@dsi5280.com
Copyright © 2024 Digital Systems Integration - All Rights Reserved.