39 USBConnect this port with a USB port of your computer using the provided cable40 MASTER OUTConnect your amplified speakers using proper RCA cables. The Level of this output is controlled from the top panel of the unit41 MONITOR LEVELAdjust the Volume of the AUX audio signal sent to the Headphones Channel42 AUX IN LEVELAdjust the Level of the Auxiliary Input43 AUX INConnect an auxiliary media source such as CD Player, MP3 player etc to this socket, using proper RCA cables. The audio signal of this Input is directly routed to the Master Output Channel (not offered in the USB Audio Interface so cannot be included in the Audio Setup nor can be recorded)44 MIC LEVELAdjust the Output Level of the Microphone Input45 MIC INPUTConnect a Microphone using a 1/4" cable/adapter. The audio signal of this Input is directly routed to the Master Output (not offered in the USB Audio Interface so cannot be included in the Audio Setup nor can be recorded)46 HEADPHONES SOCKETConnect your Headphones using a 1/4" cable/adapter. The Output Level of this Output is controlled from the top panel of the unit
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