Mars Pro by GravaStar sounds like a symphony rehearsing in your living room. With 2 subwoofers, 2 tweeters, and tuning by master Gates, it delivers pristine stereo—even at low volume. The battery lasts up to 20 hours, while Bluetooth 5.0 and True Wireless Stereo let you pair two speakers for a complete audio scene. Add 6 RGB lighting modes—and it’s not just sound, it’s art