The After Later Audio Mult has two mixer section of 3 inputs, summed to a single output.
Each section has an LED indicator indicating activity on the output.
Section 1 is normalled to section 2 so it can easily behave as a 6:1 mixer as well.
Each channel is automatically attenuated to 1/3 of the level fed into it, so you can sum multiple audio signals without clipping.
Power: 30mA @ +12v / 30mA @ -12v