Gemtronics GTX-5000MakeGemtronicsModelGTX-5000Mfg. byPanasonicChannels40Sams #CB-202notesSimilar to the Robyn T-240D, Teaberry T, Shakespeare, ColtRemove the limiter by clipping D601. Taking limiter out really gives the mike audio more highs and low range.Gemtronics GTX-5000