How can I control this 12V audio relay source selector?

Speaker Relay Circuit Diagram

How can i control this 12v audio relay source selector? Wiring schematic diagram: sound activated relay

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Relay Switching of Speaker/Amp Combos - Home Theater Forum and Systems
Relay Switching of Speaker/Amp Combos - Home Theater Forum and Systems

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speaker relay
speaker relay

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Schematics - Folks
Schematics - Folks

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Wiring Schematic Diagram: Sound Activated Relay
Wiring Schematic Diagram: Sound Activated Relay

DIY Audio Projects Forum • Simple Turn On Delay Circuit (Relay
DIY Audio Projects Forum • Simple Turn On Delay Circuit (Relay

Small Loudspeaker Circuit Diagram using IC LM386
Small Loudspeaker Circuit Diagram using IC LM386

How can I control this 12V audio relay source selector?
How can I control this 12V audio relay source selector?

USB Powered, Stereo Computer Speaker - Circuit Scheme
USB Powered, Stereo Computer Speaker - Circuit Scheme

speaker relay
speaker relay

simple microphone - speaker circuit - Electrical Engineering Stack Exchange
simple microphone - speaker circuit - Electrical Engineering Stack Exchange

Issues with HUM on DIY audio signal switcher using a relay - Electrical
Issues with HUM on DIY audio signal switcher using a relay - Electrical

Relay activated by Sound Circuit Diagram | Electronic Circuits Diagram
Relay activated by Sound Circuit Diagram | Electronic Circuits Diagram