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Alesis iO2 Express USB Audio Interface

$18.99

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.

View Product Features

  • High-quality audio recording: Records pristine 24-bit, 48kHz audio.
  • Multiple input types: Two combo inputs for mics/lines/guitars.
  • Phantom power support: Provides 48V phantom power for microphones.
  • Zero-latency monitoring: Monitor sessions with no audio delay.
  • USB bus powered: No external power supply needed.
  • Compact and portable: Small enough for mobile recording rigs.
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About the Alesis iO2 Express USB Audio Interface

The Alesis iO2 Express is a compact, portable USB audio interface designed to provide high-quality audio input and output for musicians, podcasters, and home studio enthusiasts. This interface serves as a critical bridge between analog audio sources—such as microphones, instruments, and line-level devices—and a computer, converting analog signals into digital data for recording and processing, and vice versa for playback. It features two combo input jacks that accept both XLR microphone cables and 1/4-inch instrument or line cables, each with its own gain control and a switch for engaging 48V phantom power to condenser microphones. This flexibility allows for the simultaneous recording of a microphone and a guitar, or two microphones, making it ideal for basic stereo recording, vocal and guitar demos, or podcast interviews.

The iO2 Express is engineered for simplicity and ease of use, with a plug-and-play design that typically requires no external power supply, drawing its operating current directly from the computer's USB port. It provides low-latency monitoring through its dedicated stereo headphone output with independent volume control, allowing users to hear their input signals in real-time without distracting delay. The main outputs are on 1/4-inch TRS jacks, delivering a clean, balanced signal to studio monitors or a PA system. Its core audio performance is built around high-quality preamps and analog-to-digital converters that ensure clear, detailed recordings with a wide dynamic range and minimal noise, making it a significant step up from a computer's built-in sound card.

This interface is an excellent entry point into computer-based music production and digital audio work. It is perfectly suited for singer-songwriters, voice-over artists, and educators who need a reliable, portable, and straightforward solution for capturing sound into software like GarageBand, Audacity, or any Digital Audio Workstation (DAW). By offering essential connectivity, solid preamp performance, and direct monitoring in a bus-powered, rugged chassis, the Alesis iO2 Express removes technical barriers, allowing creators to focus on capturing their ideas with professional-grade audio quality.

Key Features

  • High-quality audio recording: Records pristine 24-bit, 48kHz audio.
  • Multiple input types: Two combo inputs for mics/lines/guitars.
  • Phantom power support: Provides 48V phantom power for microphones.
  • Zero-latency monitoring: Monitor sessions with no audio delay.
  • USB bus powered: No external power supply needed.
  • Compact and portable: Small enough for mobile recording rigs.

Alesis iO2 Express USB Audio Interface Specs

Interface Configuration
Type
USB Bus-Powered Audio Interface
Input Channels
2 Combo (XLR/TRS)
Outputs
Stereo 1/4" TRS, Headphone Out
Input Specifications
Preamps
2 with Individual Gain Control
Phantom Power
+48V Switchable
Input Types
Mic, Instrument, Line
Connectivity and Power
Computer Connection
USB 2.0
Power Source
Bus-Powered via USB
MIDI I/O
No
Audio Performance
Sample Rate
Up to 48 kHz
Bit Depth
16-bit
Headphone Amp
Dedicated with Volume Control
Physical Design
Chassis
Plastic/Metal Composite
Form Factor
Compact, Desktop
Monitoring
Direct Zero-Latency Monitoring
Software and Compatibility
OS Compatibility
Windows, macOS
Driver Class
Core Audio / ASIO / WDM

Key Features

  • High-quality audio recording: Records pristine 24-bit, 48kHz audio.
  • Multiple input types: Two combo inputs for mics/lines/guitars.
  • Phantom power support: Provides 48V phantom power for microphones.
  • Zero-latency monitoring: Monitor sessions with no audio delay.
  • USB bus powered: No external power supply needed.
  • Compact and portable: Small enough for mobile recording rigs.
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