The Berial is an overdrive for bass guitar with natural distortion and a good midrange.
The Gain is a good choice for bass players, as it does not affect the low frequencies and does not become too heavy when the Gain is turned up.

The colour changes the distortion bandwidth.
　Minimum ∼ 12 o'clock gives a modern distortion with more high-mids.
　Low mid at 12-15 o'clock, and full range at 15-maximum.
　The distortion band changes to a boosted, boomy distortion from 15 to maximum.

The original blend can be used to create a wide variety of sounds.
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berial