Presonus Audiobox iTwo USB Audio Interface

Product ID: 104004

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  • Two-in, two-out audio interface
  • Record with Mac, PC or iPad
  • Ideal for use with DAW software of your choice
  • Class A mic preamplifiers and +48V phantom power
  • 24-bit resolution; up to 96 kHz sampling rate for polished recordings
  • Blend button for 50/50 low-latency monitoring
  • Lightweight and rugged design
  • USB bus-powered for minimal cable mess
  • Includes Studio One Artist edition with plugins, sounds and loops


Perfectly portable, the Presonus Audiobox iTwo USB Audio Interface is rugged, lightweight, and USB 2.0 bus-powered, so there’s no need for an additional power supply. This high-quality interface offers Class A mic preamplifiers and records 24-bit audio at up to 96 kHz on your choice of a Mac, PC or even an iPad.

The Presonus Audiobox iTwo is a two-in, two-out audio interface with left and right balanced ¼” audio outputs and one headphone out. The two inputs take the form of combo mic/instrument/line inputs for recording versatility, as you can choose to record in stereo with mics or a keyboard, or capture vocal or instrumental duets.

With an internal analog mixer, controllable by the Mix knob, that blends the live inputs with the return streams from the computer, the interface allows for zero-latency monitoring.

Also included is the Mac/PC DAW software, Studio One Artist, and you can make use of the free Capture Duo app to record via your iPad.

Studio One Artist

Included with the interface, is a code to download the award-winning Studio One Artist recording and music production software that is easy to use but powerful, ensuring all the tools you’ll need are at hand. It’s this streamlined, intuitive layout that allows you to get on with creating, instead of being bogged down by menus.

Stuffed with professional plug-ins, virtual instruments, sounds, and loops, Studio One Artist will please most but for those who want more there are low-cost upgrade options to Producer and Professional editions.

Capture Duo App

The free to download, two-track recording app, Capture Duo, gives you the capability to record through the interface and straight to your iPad. The app is based on the Capture live-recording software for StudioLive mixers and gives you two stereo tracks to record to with either the Presonus Audiobox iTwo or any other iPad audio interface that supports Core Audio for iPad.

If you enjoy the app but need more than two tracks, you can upgrade to a multi-track version of Capture, which gives you up to 32 tracks with 24-bit, 96 kHz fidelity.

With Capture Duo you can also send your tracks to your Mac or PC wirelessly, ready to be edited with Studio One Artist.

ModelAudiobox iTwo USB Audio Interface
Microphone Preamp
TypeXLR female, balanced
Frequency Response (±3.0 dB)10 Hz to 40 kHz
Input Impedance (Balanced)1,200O
THD+N (unwtd, 1 kHz @ +4 dBu Output, Unity Gain)< 0.008%
S/N Ratio (Unity Gain, Ref. = +4 dBu, 20 Hz to 22 kHz)> 95 dB
Gain Control Range (± 1 dB)0 dB to 52 dB
Max Input Level (Unity Gain, 1 kHz @ 0.5% THD+N)+10 dBu
Phantom Power (±2 VDC)+48 VDC
Line Input
Type¼" TRS female, balanced
Input Impedance10 kO
Instrument Input
Type¼" TS female, unbalanced
Input Impedance1 MO
Line Outputs
Type¼" TRS female, balanced
Output Impedance51O
Headphone Output
Type¼" TRS active stereo
Maximum Output60 mW/ch. @ 60O Load
Frequency Response (±1.0 dB)20 Hz - 30 kHz
TypeDual 5-pin female DIN
Digital Audio
ADC Dynamic Range (A-wtd, 48 kHz Sample Rate)105 dB
DAC Dynamic Range (A-wtd, 48 kHz Sample Rate)105 dB
Bit Depth24
Reference Level for 0 dBFS+10 dBu
Internal Sample Frequency Selections (kHz)44.1, 48, 88.2, 96
PowerUSB bus-powered
Height1.71” (43.5 mm)
Depth5.31" (135 mm)
Width7.56” (192 mm)
Weight1.35 lbs (0.62 kg)
Windows® 7 x64/x86 SP1, Windows 8 x64/x86 or later
Intel Core Duo processor (Intel Core i3 or better recommended)
4 GB RAM (8 GB or more recommended)
Mac® OS X 10.7.5 or later
Intel® Core™ Duo processor (Intel Core i3 or better recommended)
4 GB RAM (8 GB or more recommended)
Windows and Mac Systems
USB 2.0 Port
Internet connection for registration and download of included software
Internal or external 7200 RPM storage drive highly recommended
Monitor 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 higher

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