Alesis • airSynth

In the earlier part of the 20th century a man named Leon Theremin created a simple synthesizer that was controlled by moving your arms within an electro-magnetic field. This concept in synthesis has recently re-surfaced with modern applications in the Roland MC-series grooveboxes. Alesis has taken this idea to the extreme with their stand-alone airSynth.
The airSynth creates a 3D infrared beam called the Axyz interface. Passing your hand over it in various ways triggers and produces unpredictable but controllable results from its built-in sounds. The airSynth has 50 presets ranging from synth sounds to musical instruments, to ambient and natural sounds and effects.
The airSynth is very simple to use. There's no editing to do...no programming... just choose a patch and wave your hands around! In fact the airSynth is marketed towards the DJ and home user markets. Although it can easily be used for professional music production, it only offers stereo RCA inputs and outputs. There is no on-board MIDI or studio-quality connections. But it can add wacky new twists to your DJ mixes, tweak your favorite CDs, and impress your friends with its sci-fi appeal!
That said, the Airsynth is still a fun thing to have around for live gigs. It can be somewhat chaotic, but it's an FX generator so that's okay. My only REAL beef with it is the outputs. It doesn't come with a guitar jack in it. It only has these two stereo RCA jacks like what you find on the back of a stereo. If you want to plug this thing into an amp directly or into your standard mixer that only has guitar inputs, you have to get an adapter. That's a minor complaint though.
I would recommend the Airsynth to DJ's and live performers who would like to add a little chaotic sound to their performance. If you're looking for a theremin, look for a real theremin.