Pretty much confirmed what I was thinking...relays would be the best soluti= on. The capacity of the amp per channel is 50W, but I doubt they will be ru= n at more than 20W for this application, but of course have to design for t= he max rated output. = = --------------------------------- Blab-away for as little as 1=A2/min. Make PC-to-Phone Calls using Yahoo! M= essenger with Voice. -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist