As long as you don't need stereo at FOH, then all you need is the left(mono) output from the cd player connected to any available Line mono input on your mixer. RCA or balanced 1/4"TRS. Then use monitor sends level as desired. If you need stereo anywhere in the chain, then its a whole different matter.
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As long as you don't need stereo at FOH, then all you need is the left(mono) output from the cd player connected to any available Line mono input on your mixer. RCA or balanced 1/4"TRS. Then use monitor sends level as desired. If you need stereo anywhere in the chain, then its a whole different matter.