T&L Publications

just put a relay in series with the speaker leads that is pulled in by the ignition switch. Shutting off the key will disconnect the speakers before the pop is generated.

The short answer is "maybe". The wireless speaker system must be capapble of accepting a Low impedance input Mic level input. Many only accept line level. Of course, the same the rule applies to a mic, the xmtr has to be able to accept mic level input, or you will need a pre-amp to bring i...

You might try the same thing, only use an inductive pickup (the little suction cup gizmo for phones) so you dont get room noise.<p>good luck!