EWI stands for electronic wind instrument; this one is basically an analog modeling synth within a wind controller, so don’t expect realistic sounds without hooking the MIDI out to another sound generator that has high quality samples or physical modeling. The Akai Professional EWI4000S is a newly designed electronic wind controller. This expressive musical instrument incorporates several improvements in the development of MIDI/synth instrument capabilities. EWI4000s Volume 1 contains 100 all-new Pro Patches programmed by wind controller expert Matt Traum- an experienced wind synthesist and sound designer. EWI4000s Volume 1 contains tons of incredibly expressive solo sounds.
According to several user reviews, they have praised Akai Professional EWI4000S for the very “portable” (light, no need to expander); Versatile; Solid construction; Fingering altrernatifs handy; 99 programmable internal sounds; Instrument expressive. Also, some users have complained it for the noise in the headphones (but it depends on the headphone!); No “box” dedicated; The factory patches are a bit dull; Limited autonomy with rechargeable batteries; You have to adapt the system to octave.
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To restoring Akai Professional EWI4000S to it’s factory settings, just simply power ON while simultaneously holding the LEVEL, FX, SETUP, and TRANS buttons.
Warning! This operation returns all settings you’ve made in the menus to their factory-set condition. Be sure that you want to do this. Hopefully the article of “Reset Akai Professional EWI4000S Electronic Wind Controller” can help you.
Reference: Akai Pro EWI4000S manual