There have been some concerns about using consumer grade mp3 players for 24-7 on-hold music. A "usb thing" you refer to could be a Nel-Tech Labs Messager USB or a ProDigital USB. These are AC powered, professional music on hold players that come with both 600 ohm and 8 ohmn outputs. They play...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.