Atlas Sound AA-YSUMPassive Summing Cable for Strategy Series Amplifiers: This cable can be used to combine a stereo unbalanced signal into a mono unbalanced signal. The AA-YSUM features a 3' cable with two Male RCA connectors, summed together via internal resistor network into a single three position Phoenix/Euro Style connector that will match input and output impedance of most audio equipment.
This kind of cable is a basic solution to a common problem faced in the commercial install world every day. Often, there are not enough stereo summed inputs on a mixer amplifier for playback devices such as CD, DVD, tape players, or DSS receivers. However, in many cases there are additional mono mic/line inputs available on the mixer section.
By using an active summing box or the Atlas Sound AA-YSUM passive unbalanced summing cable, you can utilize the open inputs of the mixer tomatch with your installation requirements.