And we were able to fine tune the sound to our liking using the app's bass and treble controls.

WSJ: Studio Sound to Go | App Happy

It features an analog power switch and controls for volume, bass and treble.

ENGADGET: Marshall Hanwell speaker now available for $800, helps bring out your inner rockstar

For the first time, a 1 GHz ARM A8 processor controls the path of the coil of the bass loudspeaker in real-time.

ENGADGET: Parrot's Zikmu Solo speaker goes Duo, two make a pair over WiFi