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4 wires does not give better sound quality. 4 wires allows both parties to speak at the same time (duplex operation). With 2 wires, a push-to-talk switch is used. You can use the speaker as a microphone.
Follow Ups: I think you are not correct russlk Waqar Zaka Posted at: 02/26/02 (3) Re: I think you are not correct russlk David Ashby Posted at: 02/26/02 (1) Thankyou dashby Waqar Zaka Posted at: 02/26/02 (0) Re: I think you are not correct russlk Russ Kincaid Posted at: 02/26/02 (0) Post a Follow-up: Name: E-Mail: Subject: Message to Post:
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