Allegro is the name of the latest product developed by Grace Digital Audio, which can be considered a portable WiFi radio/streamer and costs close to $170.
One of the best features of the Allegro is the sound quality: it comes with a Class D 8-watt digital amplifier with the output being a single speaker. Other good details include 17,000 radio stations, more than 35,000 podcasts, and 20,000 on-demand programs. As you can imagine the Allegro can connect to Pandora and other sites to stream audio, via its WiFi system. It comes with a 3.5mm headphone jack, and a stereo speaker jack.