A:Answeryou can use a standalone mic and connect it to the small on/off module, or you can use a headset with mic with a 3.5 jack connect it and it should work.
A:AnswerNo, the Z313 is designed to be connected to devices with a stereo mini-plug. Traditional stereo receivers/amps like the Sony do have this type of connection, instead using RCA-type connectors and bare-cable clamps for speakers.
A:AnswerTo paraphrase Inspector Jacques Clouseau: I am sorry but I do not know what a Sanyo model no. DP42841 is. But if it has headphone out it should work fine.