Alesis iO4 USB Audio Interface

The Alesis iO4 is a compact 4-channel USB audio interface that records and monitor up to eight channels of audio (4 in and 4 out) in 16-bit mode or four channels (2 in, 2 out) in 24-bit mode.

All four input channels of the Alesis iO4 feature an XLR microphone input, a 1/4-inch TRS insert for external effects units and a 1/4-inch TS jack that works with line-level sources and can accommodate direct connection of guitars. The iO4 incorporates discrete-design preamplifiers and 48-volt phantom power on each input channels as well.

The iO4 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 iO4 is compatible with virtually all audio and MIDI software. The USB interface is class compliant for plug-and-play operation with Mac OS X and Windows XP, Vista and 7.

The main features of the Alesis iO4 include:

• Four-channel computer audio-recording interface
• Record up to 24-bit 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
• INPUTS: 4x XLR and 1/4", mic/line/guitar level
• Switchable phantom power
• Discrete-design preamplifiers