Balanced Stereo to Mono Summing Cable with Resistors Dual 1/4″ TRS to XLR Male
This cable includes two 1/4" TRS plugs for connection to the balanced 1/4" TRS outputs of your first device (e.g. mixer, recording interface, etc.). On the other end is an XLR male plug that sums the signals from the TRS plugs into the one XLR output.