Has anyone incorporated a Diluvio or any similar product with a standard speaker in the same zone? My customer wants to use this for synchronized swimming and a metronome signal is used for training. Ideally I'd have the underwater speaker and an outdoor speaker both playing the same output. My concern is delay. Will the pool/water/Diluvio combo introduce delay and cause it to be out of sync with the outdoor speaker? I can use separate amps or amp channels for each speaker and add a delay to one. Will this be necessary?