Yamaha M7CL-48 48-Channel Digital Audio Mixing ConsoleV3. 55 Includes: Correct power supply Known Issues: Channel 26 "Select" button doesn't work. You can select the channel by cueing it, or by selecting that bank to be controlled by the center bank and selecting it there. MIX MATRIX 1 knob is broken off. Several of the faders don't behave accurately when controlling them remotely with the center bank. But it works just fine in the reverse and just fine operating by itself.