USB Audio Interface with Dual Mic Preamps

Alesis iO2 Express is a compact, audio-recording interface for home studios and portable recording setups. Alesis iO2 Express two-channel USB interfaces are for Mac and PC-based systems, enabling you to record at up to 24-bit resolution into virtually all DAW, recording, and performance software. The Alesis i-O2 express 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.

The iO2 EXPRESS comes complete with a copy of Steinberg Cubase LE digtal audio workstation (DAW) software. Cubase is one of the most popular DAWs in the world thanks to its intuitive approach to composing, recording, editing and mixing. In addition to the included software, the iO2 EXPRESS is compatible with virtually all audio and MIDI software

Alesis iO2 Express Features:

• Two-channel computer audio recording interface
• Record up to 24-bit, 48 kHz audio into virtually any software
• Monitor sessions with balanced studio monitor and headphone outputs
• High-quality A/D and D/A converters, discrete-design preamps, 48V phantom power
• Inputs for microphones, line-level sources, and instruments including guitars
• Tricolor stereo level meter and lighted status indicators for visual monitoring
• MIDI Input and Output jacks for playing and controlling software with instruments
• USB bus powered – no external power supply needed

Alesis iO2 Express Specifications:

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: <0.001% Input Gain = minimum, 1KHz input signal, INSERT OUT = 5.7dBV
• 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