UE Megablast Review: This Summer's Ultimate Portable Wireless Smart Speaker

The primary functionality difference between the two is that the Megablast has integrated Amazon Alexa voice control. To enable this, the Megablast adds Wi-Fi to its connectivity options. That means you can use Alexa to stream tracks from Amazon Music Unlimited or Spotify, although iPhone users should note that it's not AirPlay compatible, so Apple Music streaming is Bluetooth only. As part of that smart speaker angle, Ultimate Ears sells an optional Power Up base ($39.99)