Possibly the best way to run audio through an iOS devices is using one of the iRig products.

iRig Pre and iRig Pro

First it is important to understand why we need to use an iRig with iOS devices.  The headphone jack input on iOS devices is a TRRS connection.  

The difference between TRRS and TRS

What you will see on other devices is a TRS connection.  If you look at the picture, you will see the TRS connection has only 2 rings, while the TRRS has 3.

Having the three rings allows TRRS to bring both headphones and a microphone through the one input.  The headphones is what it will recognize first.  So if you plug a regular TRS (two ring) mic into your iOS device, you won’t get any sound.

You can grab a TRS to TRRS adapter to fix this issue, but let me explain why I recommend the iRig products.

Here are a list of their benefits for live video:

  1. The XLR input is more versatile.
  2. The gain knob allows you to adjust the audio from the microphone.
  3. Phantom power allows you to use both powered and non powered mics.
  4. The headphone jack allows you to track the audio brought into the iOS device.

The two iRigs I recommend using are the iRig Pre and iRig Pro.  Both have a few pros and cons over the other.

Here are the differences between the two.

iRig Pre:

  • Plugs into the iOS headphone jack
  • Has a jack for audio monitoring
  • Mono audio into iOS

iRig Pre

iRig Pro (The one shown below is the older model):

  • Plugs into the charge cable (No charging the iOS device with this!)
  • Audio monitoring through the headphone jack on the iOS device (New version has built-in headphone jack).
  • Stereo audio into iOS
  • ¼ inch and XLR inputs

iRig Pro

There are a few questions to ask yourself when choosing between the iRig Pre or iRig Pro.

  1. Do you need to charge your iOS device during your live stream?
    • Yes? Choose an iRig Pre.
    • No? Choose the iRig Pro
  2. Is the cost important to you?
    • Yes? Choose an iRig Pre (~$40 USD)
    • No? Choose an iRig Pro (~$150 USD)
  3. Is stereo audio necessary for your video?
    • Yes? Choose the iRig Pro
    • No? Choose the iRig Pre

There are two other iRig products I want to bring up.  There is an iRig guitar interface and the iRig Pro Duo.

The iRig for guitars looks like a cheap solution to bringing in audio to your iOS device.  These are made for instruments and won’t always hold up for live audio.  You could experience a buzzing noise in your audio.

The iRig Pro Duo is a great tool to have.  It has the same features as the iRig Pro, but with two inputs. This lets you bring in two different sources without having a dedicated audio mixing board.

The iRig product line is very powerful.  Most of my live video streams have been produced using one of their products.  Hopefully this quick run down will help you create better sounding video.

Here is a quick video we put together talking about the differences between the iRig Pre and iRig Pro.



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