The GTD Audio BM-55 Amp/Mixer features 8 built-in, studio-grade mic preamps, 2 stereo channels, a 16-bit Professional effects, plus a 7-band stereo graphic EQ. The GTD Audio power mixer was developed using the expertise of professional sound engineers and working musicians. For its price range, it's rare to find a mixing console that compares with the BM-55 awesome performance, flexibility and crystal clear sound quality