Questions tagged [headphones]

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0answers
44 views

Tiny spark when hotplugging powered speakers to laptop via headphone jack [closed]

The speakers in question are Logitech Z120 2.0 USB-powered speakers. The spark is tiny (visible only when it's dark) and only occurs during hotplugging (both the speaker and laptop are on) at the ...
1
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1answer
66 views

Echo in headphone after soldering

I am not an electrical engineer, but because I broke the 3.5mm jack of my headphone, I decided to mod it to have a removable cable. It's a headphone with mic (hyperx cloud2). It's working well when I ...
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0answers
25 views

Use several mono balanced output as input for stereo headphone amplifier sharing one line

I have an audio interface with 8 inputs and 10 outputs. I want to connect 5 microphones and assign a headphone to each one with the output, having the voice of that particular mic coming through the ...
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0answers
28 views

6.3mm Pickering (60's / early 70's) phone/headphone jack Red Blue Black soldering

Hi All, I could guess but that's what ya'lls can help me with. Assuming Black is common & soldered to the top perpendicular tang two end tangs just hold the wired. trying to only solder ...
0
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1answer
68 views

Headset cable (with 6 cores) [closed]

First of all I am most definitely not an expert but I still wanted to try repairing my Razer Kraken headset and cut of the cable to re-solder them onto the small "regulator pcb" (because one had been ...
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2answers
82 views

Troubleshooting: Soldering new headphone plug

I have Sony MDR-7506 headphones. The isolation of the cable near the original plug embrittled over time and fell off. Therefore, I cut off the cable at that spot to replace the original plug with a ...
0
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2answers
42 views

Echo in voice to the caller while receiver with headphone hving wire replace [closed]

Hi I just replaced the old wire in my headphone with new one.But while using headphone the caller hears the voices with his own echo but while me having headphone on has no issue of echo can speaks ...
2
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1answer
128 views

How to create an airline headphone adapter?

So, I have a predicament: I am a 6'5" guy with massive ears. Like it's not funny how big my ears are. When I go on an airplane, the headphones they give me are terrible and hurt my ears when I wear ...
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0answers
76 views

How can I view a song from my iPhone jack on an oscilloscope?

I was wondering how to view a song from my Iphone on an oscilloscope. I tried doing it today but got mixed results. I set the horizontal sweep to 1ms/div, the vertical to 1 volt/div and the coupling ...
1
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1answer
53 views

Headphone sensitivity/efficiency

Most commercial headphones are advertised to have sensitivity greater than 90 dB/mW. But to my understanding, even with 100% efficiency that's not possible (if we use 10 log (I/I0) where I = 1 mW, we ...
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0answers
30 views

Bad headphone driver resistance

I have a pair of ATH-M50 headphones where the right side has stopped working. I took them apart and measured the resistance at the L/R terminals on each driver. The good one measures about 35 ohms ...
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2answers
85 views

3 pole headphone wiring

I'm trying to solder a new headphone plug - 3 pole, i.e. stereo with no mic. There are 4 wires: copper, red, blue green. I was expecting 3. Copper and red I understand to commonly be ground and right ...
0
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1answer
57 views

headphone input to arduino for FFT usage

I am building a FFT audio-reactive project with an Arduino that I would like to add a line-in input to. I am most likely to be using a ATTiny84 or ATTiny85 as the sampling device, which is running at ...
0
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1answer
72 views

Weird earphones' wiring [closed]

So, I'd got a pair of cheap earphones that broken after a while (Left ear is no more receiving sound). I defined the problem: it's some broken wires after the button. The thing is that I cannot figure ...
1
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2answers
1k views

Converting a headphone output to line level

I have a guitar amp that has a headphone output. I would like to convert this signal to line level so I can use it in a small mixer along with other line level signals to be heard in "in ear" style ...
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0answers
243 views

Headphone Jack Detection Mechanism?

I am trying to build a circuit that turns on a speaker when headphones are unplugged (so it like how our phones detect when our headphones are connected). To do this, I was thinking of simply using ...
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1answer
57 views

Bose QC 25 Headphone Cable Type

I am trying to repair my set of Bose QC25s and I need to buy more cable in order to do so. I am not sure which type I need specifically. The cable looks like this: It appears to have 4 conductors, 3 ...
1
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1answer
59 views

Using a Bluetooth receiver with 3.5mm jack headset [closed]

For the past 1/2 year I have been using a cordless Bluetooth headset (this one) connected with my motorcycle Garmin GPS device. While connected the device will not allow me to control the volume over ...
0
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1answer
75 views

Can I make my cellphone a 3.5mm jack bluetooth transceiver? [closed]

I want to hear sound from my TV using my Beats Solo3 wireless headphones the problem is that the TV doesn't have a bluetooth transmitter (or any wireless connectivity) it has USB and 3.5mm headphone ...
0
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1answer
57 views

Does this headphone jack-type component exist?

For a personal project, I'm looking for kind of equipment that acts like headphone jack and plug, where the plug can be easily pulled out after applying some force on the wire. However, the problem ...
0
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1answer
81 views

Changing microphone's jack to headphone's jack

I was trying to change my microphone's jack into my headphones with mic jack by cutting my microphone's wire and connect it to my headphone jack's wires. But these 4 color coded wires makes me ...
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1answer
168 views

Are headphones with EMF measurement of 10,000 milligauss harmful to me?

I used a EMF detector app on my phone and measured the EMF output on my wired headphones. It measured around 10,000 milligauss on one part of both ear cups. Since wearing these headphones on my head ...
0
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2answers
176 views

Planned obsolescence / failure of consumer electronics / kill switch [closed]

General question for those who have worked in the consumer electronics industry: Are small rechargeable devices (like bluetooth audio devices specifically) designed to fail after a set time to force ...
4
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1answer
285 views

How do I appropriately power a headphone amplifier and where do I place the volume regulating potentiometers?

At the moment I am building a device that splits an analog stereo audio signal into 3 signals and amplifies 2 signals for headphones. I need to know how to supply -12VDC and where to put the volume ...
-3
votes
1answer
68 views

How can I connect these two wires? [closed]

I wanted to tinker with the microcontroller of the headphones so I cut the solder between these two wires, to stop the power supply. Now when I connect the black wire (power ground) lead to the ...
1
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3answers
86 views

Output impedance and loudness

I've a DAC for headphones (GeekOut 720) which has two output jacks with different impedances: 47 Ohm (with a large headphone icon next to it) and 0.47 Ohm (with a small headphone icon next to it). I'...
28
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4answers
9k views

I've become an electrical conductor for my headphones… but how?

So I have a pair of Bose noise-cancellation headphones that I plug into my keyboard every night to charge them (via my keyboard's USB port). My keyboard happens to be a metallic Apple keyboard. You ...
0
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1answer
380 views

Replacing a broken 3.5mm audio jack with a different one, why does each cable have different amount of wires?

I found a nice speaker system that seems to work except the 3.5mm audio jack is damaged (it's missing the tip of the conductor for left channel audio). I gathered some broken audio cables with 3.5mm ...
2
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3answers
1k views

How to wire headphone switch correctly in audio amp (LM4875) circuit?

I'm working on a circuit for a small audio device and I'm a bit confused about the headphone jack wiring, I hope someone can shed me some light. I'm using the LM4875 because I have a speaker and a ...
1
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1answer
125 views

Would an audio signal be degraded by adding a 0.45 ohm resistor?

I have a pair of expensive in-ear monitors (earbuds). Each side utilizes six balanced-armature drivers and a passive crossover. The right side is quieter than the left side. The headphone wires are ...
-3
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1answer
55 views

Regarding headphones [closed]

i have a headphone. it it having problem while listining to music. it is having wheel like structure to increase music. the wheel like structure is having problems. when i press it little or roll it ...
1
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2answers
531 views

Increase headphone impedance using resistors

I have an LG-V30 cellphone, which has an integrated headphone amp with two modes for audio reproduction depending on the headphones you plug in. Normal mode for headphones under 50 ohm, low output, ...
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0answers
93 views

How to switch off from headphone jack insertion

I am trying to control a boost converter - I want it on when headphone jack inserted and off otherwise. It is on when it's EN pin is >1V and off when EN pin<0.2V. I would also like to be able to ...
1
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1answer
107 views

What type of headphone connector is this? [closed]

I got a pair of Onkyo headphones as a gift a while ago, and now one of the connectors on the cable broke (the red one in the picture). What type of cable connector is this? Searching the Onkyo ...
0
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1answer
1k views

Bluetooth headphones pair to some unknown device. Can't pair to my source [closed]

Apparently, there's some BlueTooth source in the building with a policy of "pair to everything". I am NOT able to find that and snap its neck off! For the headphones: I use the "restart" procedure, ...
0
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2answers
74 views

How can I mechanically secure a headphone cable after soldering on a new connector?

My headphone (Sennheiser HD 265) has a socketed connection between cable and headphone. The headphone cable had come loose, so I bought a new connector and soldered the headphone cable to it. The ...
0
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1answer
82 views

Quieting headphone pop: Would it work to put a discharge resistor in a custom dongle?

When I leave my favorite headphones connected to my favorite smartphone or laptop when I'm not currently playing any audio, I periodically hear a small pop/click/crackle. I suspect it happens when ...
1
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2answers
3k views

PC Headset crosstalk

I had issues with crosstalk (microphone picking up headphones sounds) and thought it was caused by headset. So I removed headset's original cable, put 4 pole female 3.5mm jack on the headset and ...
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1answer
377 views

Make audio jack detect headphone without actually putting headphones plug in

I am making a solution where I want to control headphone detection by PC externally as I have no control over the PC to do it through software. Below are my attempted solutions. My first try was to ...
-1
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3answers
122 views

How i can use the same audio jack for input line and headphone output

I have an audio circuit that can record and play audio (saw schematic). I have a DAC and a class D amplifier for playing audio through headphone but i wanted to try to use the same audio jack for ...
0
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1answer
87 views

Headphone Audio Noise

I built an audio mixer, and tested it with two different pairs of headphones. When I test it with one pair of headphones (I'll call Headphones #1), there is no noise (except for a few "pop" sounds ...
1
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1answer
679 views

Headphone amplifier for guitar with stereo MP3 input - mixing

I'm building a practice amplifier for my girlfriend who is learning to play the bass guitar. I'm a reasonably experienced electronics builder so building something to plug a guitar and headphones into ...
2
votes
1answer
115 views

Kids Bluetooth Headphone Volume Limit mod

I have purchased a set of NIA X2 Bluetooth headphones for my kid which are very convenient. However, my advice for lowering the volume is constantly bypassed, so I would like to mod them in order to ...
1
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1answer
108 views

How does headphone volume correspond to driver excursion?

I was curious about how driver excursion in a headphone corresponds to the volume that music is playing at. For this question, let's use my current headphone as an example. It's the Audio Technica ...
1
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2answers
1k views

sensitivity vs impedance of headphone

My understanding of the audio domain is very bad and I apologize for that. In a Wikipedia article, they say in the "History" section that "Those headphones used with early wireless radio had to be ...
1
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1answer
176 views

how to drive 1930s bakelite headphones

I’ve received a very old pair of mono bakelite headphones that I would like to re-use for demonstration purposes. Just for voice audio and morse code tones. The writings on the side of each headphone:...
5
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5answers
4k views

Why place capacitors in front of the line to a (headphone) audio speaker?

I'm using this module based on the popular bluetooth module CSR8635 https://www.tinyosshop.com/index.php?route=product/product&product_id=875 I was wondering why, in the right-hand side of the ...
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1answer
107 views

Is it possible to bring wired headphones into bluetooth one?

Newbie question, but I can't find better place to ask... I have K. in-ear wired headphones which i love so much, but now their jack broke. I'm not in able to buy expensive wireless headphones, but ...
1
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0answers
200 views

3.5 male to IR Transmitter - Receiver [amplified] back to 3.5 female

Trying to recreate a DIY headphone with IR transmitter and receiver I already searched this is what I have found so far: 1.- http://www.instructables.com/id/DIY-Infrared-transmitter-for-iPhone-iPod/ [...
1
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1answer
81 views

Why do faulty headphones make MP3s sound low bitrate when I touch the wire? [closed]

I have a pair of headphones which came with my phone. They're the standard type that comes with a mobile phone - TRSS 3.5mm jack with an inline microphone. I was listening to Spotify on my phone. I ...