Click to enlarge Free Shipping

• 
• 
• 

Compact, Flexible, and Affordable Audio Interface

Think of the Alesis iO4 compact USB audio recording interface as your all-purpose problem solver. No matter how well-stocked your mic locker, you still have to get audio into your computer; that's where the iO4 comes in. With its premium converters and discrete-design mic preamps, the 4-channel iO4 gives you up to eight channels (4-in, 4-out) of pristine audio, along with a boatload of I/O. You can even plug your guitar straight in, and route signal through external effects processors! If your current audio interface isn't cutting it, check out the Alesis iO4.

Alesis iO4 USB Audio Interface at a Glance:

• Bigtime flexibility in a small package
  
• Eight channels on a single USB cable
  
• Pro quality at an amazing price

Bigtime flexibility in a small package
The Alesis iO4 USB audio interface gives you major flexibility in an attractive, compact package. You'll appreciate the iO4's clean, ergonomic layout. With four pristine phantom powered mic preamps, 1/4" inserts for external effects, and handy 1/4" line level jacks you can plug your guitar into directly, the iO4 is loaded for bear. Factor in your ability to connect a second pair of monitors courtesy of the iO4's four output channels, and you've got yourself a winner.

Eight channels on a single USB cable
The Alesis iO4 lets you send and receive up to eight channels of audio (4-in, 4-out) in 16-bit mode - all on a single USB cable. In 24-bit mode, you get four channels of send/receive (2-in, 2-out). With this kind of power, you can handle a wide range of recording scenarios.

Pro quality at an amazing price
The Alesis iO4 USB audio interface gives you professional quality from input to output. With its premium A/D and D/A converters and studio-grade mic pres, the iO4 has your back when it comes to making professional-sounding recordings. Factor in the iO4's amazing flexibility and ultra-friendly price, and you've got an unbeatable combination!

Alesis iO4 USB Audio Interface Features:

• Power and functionality, and value in a compact package!
  
• Professional flexibility
  
• Four input channels; 4 x XLR, 4 x 1/4", mic/line/guitar level
  
• Switchable phantom power
  
• Discrete-design preamplifiers
  
• Premium A/D and D/A converters
  
• Easy, plug-and-play operation with Mac OS X and Windows XP, Vista and 7
  
• Record and monitor up to eight channels of audio (4-in, 4-out) in 16-bit mode
  
• Record and monitor up to four channels (2-in, 2-out) in 24-bit mode
  
• Connect a 2nd pair of monitors or route audio to external effects using iO4's 4 output channels
  
• 1/4" TRS insert for external effects units
  
• 1/4" TS jack that works with line-level sources and can directly accommodate electric guitars
  
• 1/4" TRS headphone output with gain control
  
• Includes USB cable and AC adaptor

The Alesis iO4 USB Audio Interface is your audio Swiss Army knife!

Specification Detail Computer Connection Type USB Form Factor Desktop Simultaneous I/O 4x4 (16-bit), 2x2 (24-bit) A/D Resolution 24-bit/48kHz (max) Built In DSP/FX No built-in DSP/FX Number of Audio Inputs 8 Audio Inputs Types 4 x XLR, 4 x TRS. Number of Audio Outputs 4 Audio Output Types 4 x TRS Number of Digital Inputs 0 Digital Input Types No digital inputs Number of Digital Outputs 0 Digital Output Types No digital outputs Number of Preamps 4 Phantom Power Yes MIDI I/O In, Out Clock I/O No clock I/O Bus Powered No (AC adaptor included) Rack Units Not rack mountable Manufacturer Part Number iO4

Recommended Accessories