Mixer
Features
Switchable between a four input mono mixer, or two input stereo mixer
with attenuation pads for each input, and gain controls for left and right
channels
Left and Invert Left, Right and Invert Right, and line level Left and
Right outputs
Inputs are DC coupled so they can process control voltages also
Headphone output with bass boost. Plugging headphones in diables the
line outputs