Qnap Internet Radio

I have a qnap TS119P 11 NAS with qnap assett installed. This serves ripped cd to my NDX. Iast night I tied the Tunein feature on the NAS to get Internet radio. It is listed on the nstream tree so no problem in getting it. The problem is that it drops out every few seconds and then restarts. Using the qnap app I found that when streaming IR the processor was at 100%. Am I right in assuming that the NAS processor is insufficient for streaming IR or is there something I need t configure on assess. Thanks

philip