iPad Audio Devices

There are several ways to get audio into an iPad for the AudioTools app. You can use the Apple Camera Connection kit, which is compatible with some USB audio devices, or you can use a dock-connector audio interface.

We make iAudioInterface2, and have designed it to work closely with our AudioTools (and our other) apps, as a pro test & measurement interface, and for maximum portability and field use.


Camera Connection Kit

Apple makes an adapter for both 30-pin and Lightning dock connector iOS devices that allows you to connect some digital audio devices. The main limitation is the the connected USB device cannot take any power from the iPad, so generally you have to power it with an external USB hub. A good list of generally compatible devices is maintained on the Auria website. (Note that we have not yet provided them with one of our interfaces to test). 

In general, AudioTools will take input from any device that works with iOS. 


MFi Devices

The other option is to use an Mfi (Made For iPad) device. Theses devices have passed Apple testing, connect via USB digital audio using the dock connector, and have the ability to either run from iPad power, or to charge the iPad.

This table summarizes the devices that we have tested with AudioTools.

Feature iAudioInterface2
Alesis IO Dock
Focusrite iTrack Solo
Tascam iU2
Apogee  Duet iOS
Phantom Power Microphone Input
Yes -- One channel
Yes - 2 channels
Yes - One channel
Yes - 2 channels, uses 1/4" - XLR adapter
Yes - 2 channels
Line Input
Yes, balanced, +50 dBu maximum
Yes, shared with mic inputs, 0.0 dBu max
Yes, guitar input, 0.0 dBu maximum
Yes, -1.0 dBu maximum
Yes, share with mic, max input +20 dBu
Portable operation
Yes
No
No
Yes, w/o phantom
No
Phantom Works Without External Power Supply
Yes
No - Requires AC adapter
No
No

No
Charges iPad
Yes
Yes
No
No
Yes
Fixed Input Gain Settings
Yes
No
No
No
No
Impedance Test*
Yes
No
No
No
No
Digital Audio Output for 5.1 Signals*
Yes - Toslink
No
No
SPDIF out, does not work for 5.1 signals
No
Measure Loaded Output Signal*
Yes
No
No
No
No
 *using AudioTools app






We will be adding more devices as we test them