I was looking for a preamp/DI box that gave me simple effects and some EQ and boosting abilities. This came along and looked like it would exactly fill those needs. It does. The unit sounds great. Really good EQ with reverb, tap delay, and a very nice one button chorus that sounds fantastic. My only reason for the 4 stars is that the output stage is very touchy and just a small bump on the output will really send my FOH preamps into overdrive. Seems like it really pushes the db's at about 8 or 9 O'clock so I have to be careful. Same with the boost. It doesn't take much at all.