The Creative Sound Blaster Roar speakers are powered by 2 seperate sets of high-performance amplifiers.
The Roar has 5 drivers and has a built-in subwoofer that produces kicking bass. It has NFC to allow you to pair your phone with a simple touch. You can record from the speaker as well as connect it to your pc or mac to use as speakers for your computer. You can get about 8 hours of play time at mid level.