Presonus AudioBox iTwo

USB 2.0 audio interface for iPad, Mac and PC

  • Robust metal housing with rear Kensington lock opening
  • Low-noise Class A preamplifier with signal / clipping LEDs (green / red)
  • Digital conversion with 24 bit / 96 kHz and 105 dB dynamic range
  • Frequency range: 10 Hz to 40 kHz
  • THD: 0.008% THD
  • Large master volume control
  • MIX control to balance the latency-free recording signal to the playback portion from the computer
  • Balanced 6.3 mm jack outputs (L / R) for connecting studio monitors
  • Convenient wireless transfer of the recording data from the iPad directly to Studio One on the home computer
  • Dimensions: 192 x 135 x 44 mm
  • Weight: 910 g
  • Includes free Nimbit account for optimal marketing of the productions (requires online registration) and free download of Studio One Artist and Capture Duo

Connections:

  • 2 Combo inputs (XLR / jack) for connecting microphones, high-impedance instruments or line sources
  • "Line / Instrument" impedance switch per input
  • Switchable 48 V phantom power for condenser microphones
  • Balanced 6.3 mm jack outputs (L / R) for connecting studio monitors
  • Headphone output 6.3 mm stereo jack with separate volume control
  • MIDI In / Out sockets (5-pin, DIN)
  • Power supply via USB bus (for iPad via optional USB power supply)

System requirements:

  • Windows: Windows 7 SP1, Windows 8 or newer
  • Mac: Mac OS X 10.7.5 or later
  • Intel Core Duo (Intel Core i3 or better)
  • 4 GB RAM (8 GB or better)
  • USB 2.0 port
  • Internet connection for registration and download of the software
  • Screen with at least 1280x800 resolution
  • Apple iPad: iPad Air, iPad mini with Retina Display, iPad (4th generation), iPad mini, iPad (3rd generation), iPad 2, iOS 7.0.1 or newer

Further Information

Recording / Playback Channels 2x2
Number of Mic Inputs 2
Number of Line Inputs 2
Number of Instrument Inputs 2
Number of Line Outs 2
Headphone Outs 1
Phantom power Yes
Number of S/PDIF Connectors 0
Number of ADAT Connectors 0
Numer of AES/EBU Connectors 0
Number of MADI Connectors 0
Ethernet 0
Other Connectors Device Link
MIDI interface Yes
Word Clock No
Max. sample rate (kHz) 96 kHz
Max. resolution in bit 24 bit
USB Bus-Powered Yes
Incl. power supply No
USB Version 2.0
Width in mm 192 mm
Depth in mm 135 mm
Height in mm 44 mm

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Our most popular USB Audio Interfaces
146 Customer Ratings
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Total
quality
features
handling
sound
Excellent quality mobile stereo audio interface with a little glitch
30.09.2016
When you want a simple audio interface that can be used to create pro class mono/stereo recording, with portability as a prime focus, this is the one. As a bonus it is also very reasonably priced!

Thechnically it is almost superb, the preamps are absolutely fantastic and of top notch pro quality, the playback D/A stage is also very good and transparent.

But it also has little design or production glitsch: the preamp pots appear to produce a big gain difference at a point when they are almost turned up all the way. This way the last gain change is not very refined and can bring some trouble when a high gain is needed. I estimate that there is a sudden 10 dB gain difference at some point.
This was a bit disappointing to find out. I expected some more perfection of PreSonus.

Then the iOS app sofware is having some annoying bugs and is missing some important features. But that is all fixable...
This is unfortunately not the case with the gain pots, that is how it is.

But regarding the portability and connections: Great!

I use a powerbank of 11000 mAh to power the interface and that goes on for hours and hours, so the interface must be very power economic.
It can also be used as a simple standalone headphone amplifier, or a mic/instrument preamplifier.

So in all a very versatile unit and despite the gain pot problem a very good main interface in a simple audio setup with outstanding dual channel mobile recording features.
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Total
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Looks great, sounds great - awesome :)
30.10.2014
Thanks for the great product! Really happy with it so far :)

It sounds really great with guitar, as well as with keyboards, on PC and Mac.

Good thing - it works really great with low latency settings. Running StudioOne 2 with iTwo works great even with 128 samples and big heavy project!

Input gain levels works great. Many people can remember some problems with high-output guitars and simple Audiobox USB with very hot input and clipping. Not this time! :)

So I really like this audio interface, awesome for it's price - sounds and looks really cool!
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Good option for the price
Janesz, 31.03.2018
For the price it can be a great choice but only in home studios for demo or soft tracking recordings. It has 2 separate mic preamps which are really good. It also has a 48V phantom power supply which is a must have feature in today's studios. The choice was influenced by the Mix knob by which the balance between the signal coming in the device and the signal coming back from the DAW can be set. It is a really good idea, this makes things easier, instead of tweaking in the DAW, You can handle this by one easy movement. The metal house raises its value a bit.
A huge and really disappointing issue is the headphone output level. Cranking the knob fully up can still be insufficient when recording a bit louder instrument in the room. It is (or should be) sadly a very important issue and sometimes it blows the joy away of a recording session. Honestly, I had thoughts of sending it back.
Apart from this, the device is good in the price range, however, I would be curious how other products work in this price range (e.g. a Focusrite Scarlett 2i2).
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Avoid if using to record with microphone.
Dermot Bohan , 16.01.2021
To get any level of audio from microphone requires input gain to be set near max at 9 or 10 (out of 10). Anything lower picks up very little sound and recording at that level of gain input introduces noise to the recording. This issue is highlighted multiple times in the reviews on the Amazon page also. Renders the device unusable for the purpose I bought it for.
Connecting the interface to an iPad pro requires using the opposite ports stated in the instructions.
Spend your money on some other interface because this is useless for recording quality audio. I also had problems using the bundled software. Very disappointed with it.
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