Overview: The PreSonus AudioBox iTwo portable audio interface allows
you to record 24-bit/96kHz audio to an Apple iPad, PC or Mac. The iTwo features
two high quality inputs and two outputs, plus a 1/4" headphone out with volume
control. You will be able to download PreSonus' easy-to-use Studio One Artist
DAW for Mac and Windows, as well as Capture Duo recording software for iPad
(with product registration).
USB Bus Power: The AudioBox iTwo is USB bus-powered, meaning
no external power supply is necessary. A USB 2.0/Power Port connects the iTwo to
an available USB port on your computer via the supplied USB cable.
Front Panel: The front panel of the AudioBox iTwo features the
- Two combo microphone/instrument/line inputs that will accept either a 1/4"
TRS or XLR plug. These inputs are equipped with low-noise, high-head-room, Class
A microphone preamplifiers, which work with dynamic, ribbon, and condenser
- The Input Source Button on each channel that lets you
select instrument or line level for the 1/4-inch inputs. When the button is
not illuminated, the input will accept a line-level source. Pressing the
button in engages the instrument preamp for connecting guitars or a passive
- The 48-volt Phantom Power button turns the 48V phantom
power on or off for the microphone inputs. The button illuminates blue
whenever the 48V button is switched on.
- The Input Gain Controls for each channel provide 52dB
of variable gain (-10 to +42 dB) on the microphone inputs and 51 dB of
variable gain (-24 to +27 dB) on the instrument inputs. Each channel
features an Input Signal Indicator LED next to the gain
control that illuminates in green whenever an input signal is present. The
LEDs change to red when the channel's input signal reaches -0.5 dBFS. At 0
dBFS, the signal will exhibit signs of clipping.
- The Direct Monitor Mix Control knob allows you to blend
the input signals with the playback streams from your computer. This allows
you to monitor your input with zero latency. At the 12 o'clock position, the
input and playback are equally balanced. You can turn the knob to the left
to increase the level of the input relative to the playback, or right to
increase the level of the playback relative to the input.
- The Main Output Knob controls the signal level for the
main outputs on the back of the interface.
- The 1/4" Headphone Output lets you connect a pair of
headphones to the interface. The output has a rotary headphone
volume control knob to let you adjust the level of your headphones.
- The Power LED illuminates in blue when the interface is
properly powered and synced to a connection on your computer or iPad
Rear Panel: The rear panel of the AudioBox iTwo features the
- The MIDI Input/Output allows connection to, and
communication with, external MIDI (Musical Instrument Digital Interface)
equipment. The ports are typically for MIDI sequencing, but can be used for
much more than instruments and sequencing.
- The USB 2.0 (Type B USB) port is for connecting the
interface to your computer using the included USB cable. This port provides
bus power to the unit, and also provides power to the interface when used
with an iPad. This port is compatible with all USB 2.0 and 3.0 ports.
- A Type A USB Device Port lets you use an
Apple-compatible 30-pin or Lightning-to-USB cable to connect the AudioBox to
an iPad when recording and playing back from audio applications.
- Two 1/4" Main Outputs are provided for connecting the
unit to an amplifier or powered speakers. The Main Output Knob on the front
panel controls the volume level from these outputs.
- A connector is supplied for a Kensington-style Security Lock
to protect the AudioBox iTwo from theft.
Studio One Artist: With the purchase of the AudioBox iTwo,
the PreSonus Studio One Artist recording software becomes available for
downloading. Studio One Artist comes with 20 high-quality Native Effects
plug-ins, and more than 6 GB of loops and samples that you can use for music
recording and production. The software gives you an unlimited track count,
inserts, and sends, as well as project templates that are made specifically for
AudioBox interfaces. Studio One Artist is compatible with Windows (7 SP1 and 8
or later) and Mac OS X (10.8 or later).
iPad Compatibility: The AudioBox iTwo is compatible with the
following iPad models, that must be running iOS 7.03 or later: iPad Air, iPad
mini with Retina display, iPad (4th generation), iPad mini, iPad (3rd
generation), and iPad 2. Capture Duo software, available for download, is a free
2-channel app that can be used as a simple way of capturing audio on your iPad.
Capture for iPad is a paid app ($9.99) that can record and play up to 32
- Frequency Response (± 3dB): 10 Hz
to 40 kHz
- Input Impedance (Balanced): 1,200 ohms
- THD+N (unweighted, 1 kHz): <0.008%
- S/N Ratio: >95 dB
- Digital Audio:
- Bit Depth: 24
- Internal Sample Frequency Selections: 44.1, 48,
88.2, 96 kHz
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