(Originally written by patroche/translated from Audiofanzine FR) Monophonic synth with integrated sequencer. It has the same controls as the TB303. But it adds a USB port, Midi and a sync output for an old analog device. UTILIZATION Very easy to use. SOUNDS It sounds amazing. Why would you wanna buy a very expensive TB303? It's the exact replica regarding sound and controls. The additional functions (sequencer and USB Midi) are digital. OVERALL OPINION I ordered a kit, assembled it and it works great. I plan to make a second one. I've tested a real TB303 several times and I can't notice any difference. Hats off to Ladyada for this clone, which is the best on the market.