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Android  iOS  Mac OS   Windows  Linux and Ubuntu FAQ

Mic-Lock is an audio blocking device. No software is needed and it will work with any operating system. The way Mic-Lock works is electrically the same as any audio headset would appear to a phone, computer or tablet. The signal it sends is what a “live” microphone would send if it were recording in a silent environment or room. The phone or computer looks for this electrical signal before handing over audio control. Plugging in a Mic-Lock is a system command to the phone or computer. When you physically plug in something the device follows what you are telling it to do and to now use what you just inserted. To a device plugging in a Mic-Lock is the same as if you tap on the speakerphone icon or clicked to launch an app.

Much like on your TV’s remote video source, only one audio source can be active on a device at any one time. Plugging in the Mic-Lock is the “ON” button and unplugging it is the “OFF” button. This is true until you command or tell the computer to switch to another audio source. An example of this is when you have the Mic-Lock plugged in to your phone and a voice call comes in. Rather than unplugging the Mic-Lock, you tap on the speakerphone icon and take the call. When you tapped the speakerphone the device switches the audio source from the Mic-Lock to the speakerphone-again it follows your commands. After the call is complete the speakerphone is the primary or active audio source. Simply unplug and re-plug the Mic-Lock and the audio security cycle will start all over again and remain until a new source is desired.

How do I know it is working? 

Testing Mic-Lock is easy and quick. Here are the procedures for each operating system:




  1. Locate or download the free “Voice Recorder” from your Android's Google Play Store.
  2. Tap to Open “Voice Recorder.”
  3. Tap the Record button.
  4. Plug in the Mic-Lock. The recording function will not stop but no audio will be recorded. No sound waves will appear.
  5. Hit the Record button again. No sound will be captured.
  6. Unplug Mic-Lock to restore the audio capture.



  1. Open the “Voice Memos” app located on the iPhone. 
  2. Tap the red Record button to start recording the voice or audio. 
  3. Plug in the Mic-Lock and the recording will stop.
  4. Tap the Record button again and no audio will be captured. 
  5. Remove the Mic-Lock to restore the audio capture feature.


Mac OS X

  1. Open “QuickTime Player” found in the Applications folder.
  2. Pull down the “File” menu and choose “New Audio Recording.”
  3. Click the red Record button to start recording audio from the default microphone source.*
  4. Plug in the Mic-Lock and the recording audio waveforms will stop.
  5. Unplug Mic-Lock to restore audio capture.



  1. “Voice Recorder” is a free app for recording sounds.
  2. Hit the big Record button.
  3. Plug in the Mic-Lock and the recording will show a flat waveform – nothing is being recorded with Mic-Lock plugged in.
  4. Remove the Mic-Lock and audio capture will be enabled. 


Linux and Ubuntu

  1. Install Pavucontrol (PulseAudio Volume Control) using apt-get or the Ubuntu Software Center.
  2. Open PulseAudio Volume Control.
  3. Open Sound Recorder and start recording.
  4. Go to the "Recording" tab in the PulseAudio Volume Control window.
  5. Make sure that "Applications" is selected in the drop-down menu on the "Recording" tab.
  6. Plug in the Mic-Lock and audio recording will not be captured.

Mic-Lock FAQ:

  1. Why does Siri still work? It does not work. Siri will be summoned when the phone hears “Hey Siri” but will be unable to hear anything after that. Mic-Lock is an audio privacy device that will work with Siri. They are compatible. With the “Hey Siri” Voice Print turned on in the iOS system settings, the iPhone will always be “listening” for one voice print – the recordings of your voice when you setup and enabled this feature. With the Mic-Lock plugged in and the primary and active audio source – Hey Siri will still come up and that is it. Siri, once activated, recognizes the Mic-Lock as the active audio device will not be able to follow any voice commands or do anything. The Mic-Lock will not let the audio commands be transmitted. If Siri does come up – say “set a timer for 2 minutes” or “what is the weather like outside.” Any command that Siri would normally execute-the phone screen will just be going in circles as it cannot hear you. Unplug the Mic-Lock and Siri will follow your commands. This is annoying but one must ask why is phone set to be always actively listening to you if privacy is your goal? We recommend turning off any virtual assistant to protect your privacy. Mic-Lock will still do it job and Siri will hear ‘Hey Siri” but that is as far as it goes.

  2. Will this work on iPhones with both a lightning input and a 3.5mm phone? Yes, simply plug Mic-Lock into one of the ports and it will be the primary audio input.

  3. Why does Mic-Lock become the primary audio­­­ input? In phones or any modern communication or computing device, any physical port inserted will be taken as a command to switch from one audio source to a new one via the digital mix master. Operating systems always follow your command of physical connection to be primary or active audio source.

  4. Can Mic-Lock prevent pocket dialing or butt dialing? No, Mic-Lock will not stop the call but with your Mic-Lock inserted into your device no sound you make will be detected by the recipient caller.

  5. Does it work on a 2.5mm connector? Yes, you will need to have an adapter to go from a male 2.5mm input jack to a female 3.5mm.

  6. Can Mic-Lock be plugged into a computer's headphone port, to make it believe that earphones are plugged into the jack? Yes, when you plug Mic-Lock into any device, laptops included, it becomes the primary audio source. Mic-Lock has both of the sound in and sound out. Any Mic-Lock plugged in looks like a complete headset attached because electrically that is exactly what the product does. The "mic" in Mic-Lock only gives the signal a live microphone would record from a silent room. SoundPass allows for a direct bypass audio out-so it sounds just as good as if there was no Mic-Lock inline. Mic-Lock audio security is up with or without a pair of headphones hooked up.


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