Many professional musicians use the Arion Stereo Chorus due to it's unique tone. However, there have been many request to modify the pedal to make it more durable as well as better sounding. Highly skilled engineers at E.W.S (Engineering Work Store), of Prosound Communications Inc. Japan, have crafted special modifications to meet the pro musicians' most severe demands.
Here are the features and a few comments from endorsers regarding the modifications to the Arion Chorus:
ARION SCH-Z [CHORUS/VIBE] Mod by EWS features
Installation of 3PDT Switch which makes the pedal True Bypass
Modified tone adjustment for much smoother sound while retaining the original tone
Vivid and readable blue LED
Chorus and Vibe mode switchable : Note OUT2(STEREO) is no longer available due to this MOD.