It has half the battery life as it's little brother, the Onyx Mini (5 hours vs. 10 hours), and when you unplug it, you lose half the watts (drops from 60 to 30 watts), thus impacting quality of sound

but I wish it was as loud as my brother-in-

I like to think of my new Onyx as a bigger drunker, and dumber older brother to the nerdy and precise Soundlink II.