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Car Audio Help
Wiring, Electrical & Installation
TRRS headphone connector as amp on/of switch?
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<blockquote data-quote="with_a_you" data-source="post: 7338616" data-attributes="member: 633437"><p>Thanks for the photos and advice! Definitely a nice setup on that Bel Air.</p><p></p><p>I know there is some level of voltage in the sleeve (4th ring) of the TRRS jack that the iPod/iPhone interrupts with different resisters for the different buttons on the headphone cable (play/pause, track forward, track reverse). But, my BIG wonder is can you separate out that one wire and send it to a circuit, and when it senses that voltage change (that would happen when the cable is plugged into an iPod/iPhone), it activates a relay to turn on the amp.</p><p></p><p>I definitely am comfortable wiring a switch to turn the amp off and on from under the dash or in the glove box etc, but since I went down this road of owning an impractical car I also thought to myself, "Hey, why do any of this the easy way?" and think it'd be cool if the amp was controlled by the presence of my iPhone and not just the car being on or off.</p><p></p><p>Thanks again and thanks for the speaker recommendation!</p></blockquote><p></p>
[QUOTE="with_a_you, post: 7338616, member: 633437"] Thanks for the photos and advice! Definitely a nice setup on that Bel Air. I know there is some level of voltage in the sleeve (4th ring) of the TRRS jack that the iPod/iPhone interrupts with different resisters for the different buttons on the headphone cable (play/pause, track forward, track reverse). But, my BIG wonder is can you separate out that one wire and send it to a circuit, and when it senses that voltage change (that would happen when the cable is plugged into an iPod/iPhone), it activates a relay to turn on the amp. I definitely am comfortable wiring a switch to turn the amp off and on from under the dash or in the glove box etc, but since I went down this road of owning an impractical car I also thought to myself, "Hey, why do any of this the easy way?" and think it'd be cool if the amp was controlled by the presence of my iPhone and not just the car being on or off. Thanks again and thanks for the speaker recommendation! [/QUOTE]
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Car Audio Help
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TRRS headphone connector as amp on/of switch?
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