PreSonus AudioBox iTwo Studio - 2x2 USB/iPad Recording System ABOXI2STUDIO

2-input, 2-output recording interface for iPad, Mac®, and PC
Class A mic preamplifiers with phantom power for use with condenser microphones
internal analog mixer allows direct monitoring of input signals for low latency
free Capture Duo app for iPad offers easy two-track recording and wireless transfer to your computer
Capture for iPad offers up to 32-track recording ($9.99 from the Apple app store)
includes Studio One Artist digital recording software for Mac/PC plus 6GB of third-party samples powered by your computer via USB; iPad recording requires 30-pin or Lightning™ cable, and USB AC adapter (not included)

Connections:
2 XLR/TRS switchable mic/line/instrument inputs for use with microphones, electric guitars and basses, keyboards, and drum machines
two balanced TRS line outputs for connecting powered studio monitors
MIDI input/output (5-pin) for use with an external MIDI controller
1/4" headphone output with independent level control USB 2.0 port for connection to a computer "Device" output for connection to an iPad

General Features:
24-bit analog-to-digital/digital-to-analog conversion with sampling rates of 44.1/48/88.2/96kHz (44.1 and 48kHz with iPad)
"mix" fader lets you select from low-latency direct monitoring of analog input signals or returning digital signals from recording software
LED lights indicate when a signal is present and when clipping occurs
rugged metal chassis
system requirements for computer recording: Windows 7 (x64/x86 SP1), Windows 8 (x64/x86), or Mac OS X 10.7.5 or later; USB 2.0 port; Internet connection for software download; monitor with 1280x800 resolution; 7200 RPM storage drive highly recommended
system requirements for iPad recording: iPad 2, iPad (3rd Generation), iPad (4th generation), iPad mini™, or iPad Air™ with iOS 7.0.1 or higher
7-9/16"W x 1-3/4"H x 5-5/16"D
weight: 1.35 lbs. warranty: 1 year