Retro-styled component streamer Whether you want to add high-res streaming music to your classic hi-fi, or you're building a system from scratch, JBL's MP350 makes it easy and looks the part. Convenient built-in streaming options accommodate the way most people listen to music today. Plug this retro-styled component into your favorite amp - the SA-550 is designed to be a perfect match. Then you can start listening to music from your preferred streaming services in rich detail on your traditional stereo setup.