![MacVoices Video show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/062/654/small/macvoices-video.png)
Summary: In the High Resolution Technologies booth at Macworld 2011, Michael Hobson explains how their HRT iStreamer improves the sound of the music coming from your Mac or iDevice. An external digital-to-analog converter and interface, the iStreamer provides superior sound just by plugging it in.