RDL AV-DC4 Line Level Audio Divider/Combiner with Ground LiftThe AV DC4 is a mono transformer coupled audio divider combiner module for use with balanced, low or high impedance audio inputs and outputs. Input and output connections are provided on XLR jacks with gold plated contacts. The AV DC4 features four identical channels. Each channel may be used as either an input or as an output. Two XLR jacks are provided on each channel. The female jack is used if the channel is being used as an input; the male jack