ALESIS I-O2-EXPRESS

The iO2 EXPRESS is a compact, audio-recording interface for home studios and portable recording setups. This two-channel USB device for Mac and PC-based systems enables you to record at up to 24-bit resolution for input into virtually all DAW, recording, and performance software.This compact recording interface is small enough to comfortably fit into your mobile recording rig, laptop bag, or backpack, yet contains high-quality components and circuitry suitable for the studio.

SYSTEM REQUIREMENTS

Mac: OS X 10.2+

Windows: XP, Vista, or 7

USB port

FREQUENCY RESPONSE

MIC/LINE IN to USB OUT: ±0.1dB

MIC/LINE IN to MAIN OUT (through ADC/DAC) ±0.35dB

SIGNAL-TO-NOISE RATIO (SNR)

MIC/LINE IN (balanced) to INSERT OUT: 110dB A-weighted, input impedance at XLR or 1/4" jack = 600 Ohms

GUITAR IN (unbalanced) to INSERT OUT: 99dB A-weighted, input impedance at 1/4" jack = 600 Ohms

MIC/LINE IN (balanced) to USB OUT: 99dB A-weighted, input impedance at MIC or LINE jack = 600 Ohms

GUITAR IN (unbalanced) to USB OUT: 94dB A-weighted, input impedance at 1/4" jack = 600 Ohms

MIC/LINE IN (balanced) to MAIN OUT (through ADC/DAC): 97dB A-weighted, input impedance at MIC or LINE jack = 600 Ohms

MIC/LINE IN (balanced) to MAIN OUT (through direct monitor): 95dB A-weighted, input impedance at MIC or LINE jack = 600 Ohms

TOTAL HARMONIC DISTORTION + NOISE (THD+N)

MIC/LINE IN (balanced) to INSERT OUT:

GUITAR IN (unbalanced) to INSERT OUT: 0.034% Input Gain = minimum, 1KHz input signal, INSERT OUT = 5.3dBV

MIC/LINE IN (balanced) to USB OUT: 0.003% Input Gain = minimum, 1KHz input signal, USB OUT = -0.3dBFS

GUITAR IN (unbalanced) to USB OUT: 0.034% Input Gain = minimum, 1KHz input signal, USB OUT = -0.7dBFS

MIC/LINE IN (balanced) to MAIN OUT (through ADC/DAC): 0.005% Input Gain = minimum, 1KHz input signal, MAIN OUT = 5.6dBV

MIC/LINE IN (balanced) to MAIN OUT (through direct monitor): 0.006% Input Gain = minimum, 1KHz input signal, MAIN OUT = 5.6dBV