Mike,
Been playing with the E403. I really like it. For the money I paid, it is truely a remarkable board. Great styles and over 500 sounds has appreggio and effects knobs it has an awful lot for under $200. I have yet to find anything bad to say about it. Of course, if you perform live (I do not) you no doubt would not use this board but I can see it being used as a backup for sure!
Love it and would recommend it to anyone who needs a portable good sounding board. I would buy it again. It gets a thumbs up from me for sure. I am a bit surprised at the price. Some of what is in this board I recall hearing from my now long gone PSR2000!
-Lin
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Linda F
Casio Privia PX-560 - Korg Micro Arranger - Casio MZ X500