there are several, i have the large CAMaster and n older digital (we hooked it up this week !!) yet the CAMaster stinger is well worth a look, they sel a good 40+ a month, excellent support forum all happy owners.
Home of the Stinger Table Top CNC Router
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CAMheads CNC Router Forum By: CAMaster CNC
noise is determined by material and usage a spindle is quieter than a router yet only when just running. when cutting they all make noise.