Questions tagged [headphones]

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1answer
4k views

Switching Headphone Jack

I've researched this for a while now and can't find any answers for the life of me.. How can I add a headphone jack to an audio amp with speakers that disables the speakers when headphones are plugged ...
3
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2answers
8k views

Understanding voltage levels on 3.5 mm audio output

In the hope of using the standard 3.5mm audio output found in your average PC/smartphone to control (not power) a DC motor, I was measuring the voltage between GND and Tip and noticed the following: ...
2
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1answer
195 views

Hotwiring a Bluetooth speaker into a Bluetooth receiver [closed]

New here. So I have this mini Bluetooth speaker I bought a few years ago. Fast forward to now, and I've upgraded from it. Was going through a junk box and found it again, and wondered if I could just ...
0
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1answer
2k views

Soldering flat audio cable

I was wondering if someone knows if it is unusually hard to do soldering on a flat headphones cable. I am sorry, I don't know how one is called, which is why I could not even find a replacement or any ...
2
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2answers
1k views

using headphones as microphone

I am learning about headphones and microphones and I have 2 questions. I bought a few pairs of headphones from the dollar store and took one pair apart. There is a weak little magnet in the center ...
0
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1answer
62 views

How do circuits work where from the touch of a button on the wire of a headphone, you can pause or play music?

I am creating a project for my engineering course. I ve decided to make headphones that have the ability to pause music when taken off from the ears and vice versa. I will be using long lever switches ...
0
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1answer
4k views

Extremely low volume on headphones after jack repair

My headphones all of a sudden stopped working in one ear, then both. Same old story, I cut open the plug saw 5 wires (it's a TRRS plug, mic and button + headphones). The wires are Red (Right Of ...
-1
votes
2answers
2k views

connect headphones to TV RCA output? [closed]

My TV has two RCA female connectors for audio output. I assume it is the line-out. No female jack connector specfic for headphones. I want to connect usual headphones that has a male jack connector. ...
0
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2answers
56 views

Bad Headphone Connector Wiring Issues - What Could Be Wrong? [duplicate]

I am trying to repair a headphone cable with a splice. The audio sounds really bad after the repair. I can hear instruments, but not the vocals. Also, the playback is mono, same sound on both sides. ...
0
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1answer
2k views

Side of headphone doesn't work unless I hold the volume button or pause/play button on headphone. [closed]

I have a pair of Samsung headphones with a mic, volume control, and pause/play button. I have used these headphones for over a year. They worked perfectly. Then one day, the right side decided to quit ...
-2
votes
1answer
236 views

what gauge two core cable to use inside headphones

This is my first post so excuse me if wording is wrong, I have a set of headphones and want to replace the cable that connects the left headphone speaker to the right, its a very thin black two core ...
0
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2answers
359 views

How to wire headphones? [closed]

I'm currently trying to fix my headphones with a TRRS jack that I recently purchased. I'm using my multimeter and have figured out that green/blue wires together make up the left audio channel and red/...
-1
votes
1answer
997 views

How to use a continuity test to differentiate between wires? [duplicate]

I'm trying to repair my headphones with a broken jack. I just purchased a replacement TRRS jack, and now my problem is knowing the function of the five different wires in my earbuds. How can I use a ...
-5
votes
1answer
408 views

How to tell the difference between headphone wires? [closed]

I'm trying to fix my TRRS type headphones but I can't tell the difference between these five wires. -Blue -Red -Green -Copper (red-ish?) -Black
0
votes
2answers
2k views

Does audio OP-AMP circuit needs output capacitors?

I saw schematics with and without output capacitors. So in the end - do you really need capacitors in the output? I am using OPA2134 operational amplifier. I plan to use it both as headphone and ...
1
vote
2answers
295 views

Pre-amplifying an electret mic already in use

I want to remove the DC component and boost to a line in level the mic signal of a regular headset plugged into a mobile phone while still allowing the mic to be used by the phone at the same time: ...
0
votes
2answers
336 views

How good should the regulated AC/DC power supply filter be in tube headphone amp?

I am building a tube headphone amplifier. I built a AC/DC regulated power supply (220v AC to ~250v DC) but I am not sure about how good is the filter. The filter contains 120uF and 68UF capacitors, in ...
0
votes
1answer
2k views

Fixing a headset, TRRS [closed]

First of all I'm not sure if this is the correct site for this question but: I am trying to fix a head phone jack for my headset with a TRRS headphone replacement. This is the connections of the ...
1
vote
1answer
5k views

Headphone OUT to microphone IN for mobile phones

My AIM is to feed audio to mobile phones over MIC IN port. This audio would be coming from Laptop's headset out port. The way i am testing is making call from the test device which is connected to my ...
-2
votes
2answers
2k views

Single double triode vacuum tube for headphone amp at high voltages

I'm planning to build a single double triode vacuum tube as I have seen many schematics even though most of them are low voltage (20-40v). However I didn't seem to find a high voltage single double ...
3
votes
1answer
20k views

Making a [4-Pole TRRS to 3.5mm Stereo & Mic Adapter (Male to 2x Female)] from an iphone headphone splitter jack?

I want an adapter that merges the microphone and earphone 3.5 mm jacks into a single 3.5 mm jack ( basically I want to build the blue adapter thingy): I have an earphone splitter for iphones that has ...
0
votes
1answer
1k views

Signal in the wire of headphones

Normally what kind of signal flows through the wire connecting the headphone jacket and the headphone? I wonder whether there is a standard regulating them. And what wavelength, volts, watts, amps, ...
-2
votes
1answer
184 views

Need help with replacing a headphone jack [closed]

I have found a ton of guides to do this, but i don't have a store bought connector so i simply ripped the stock one open. It looks like this (found the pic on the internet, not mine): http://static....
3
votes
4answers
5k views

How does the mobile 3.5mm audio port work, and Can I light a LED from it?

I am trying to do this, light a LED from the headphone wire(mobile) but it seems it gives ac in there, I don't have much idea, please help.
2
votes
1answer
510 views

Line Level to Mic Pad Working Randomly With Phones

I'm trying to build my own headphones to mic pad. I want to connect the input of the pad to a phone's headphones conector and the output of the pad to a second phone's mic connector. Both phones ...
-2
votes
2answers
2k views

Replacing TRRS Jack with TRS [closed]

I've a handset which i was using with my galaxy ace 4 then changed to experia z1 Anyway the handset butom was raising volume instead of pausing and then the jack was giving static and then it was ...
1
vote
1answer
411 views

Output to Speakers or headphones?

I am going to be wiring up a custom circuit. Audio is output from two LR audio cables. I am going to wire them up to two mini speakers, one for each LR cord. But how do I add in a part to detect if ...
11
votes
3answers
5k views

Why aren't active headphones equalized to a flat frequency response?

Some headphones are 'active', with amplifiers built into the cups and requiring a power source (typically AAA batteries). I then see many audiophiles discussing frequency response as a metric of how ...

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