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Alesis iO2 Express Audio Interface   

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The compact Alesis iO2 EXPRESS audio-recording interface is ideal for home studios and portable recording setups. The 2-channel USB interface for Mac...Read More

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OVERVIEW

A 24-bit USB recording interface.

The compact Alesis iO2 EXPRESS audio-recording interface is ideal for home studios and portable recording setups. The 2-channel USB interface 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.

The Alesis i02 EXPRESS recording interface is small enough to comfortably fit into your mobile recording rig, laptop bag, or backpack, yet it contains high-quality components and circuitry suitable for the studio.

Flexible recording and playback
The i02 EXPRESS interface's discrete-design preamplifiers and true 48-volt phantom power ensure that you capture microphones' complete signal. High quality analog-to-digital and digital-to-analog converters ensure that every detail of your session or performance gets recorded - and played back on your monitoring system. It's class compliant, so you can use the plug-and-play Alesis iO2 EXPRESS with virtually any computer.

The iO2 EXPRESS is USB bus powered so you won't need to carry a bulky power supply, and its performance is optimized for minimal laptop battery drain so you'll be able to track long sessions and gigs remotely.

Complete iO
The iO2 EXPRESS has 2 input channels. Each channel has an XLR microphone input, a 1/4" TRS insert for external effects units, and a 1/4" TS jack that works with line-level sources and can accommodate direct connection of guitars.

The Alesis iO2 EXPRESS sends and receives 2 audio channels on a single USB cable for simple, universal interface. You can monitor your sessions on any studio monitoring or other loudspeaker system via dual 1/4" balanced outputs. For remote tracking and alternative playback, the iO2 EXPRESS has a 1/4" TRS headphone output.

The iO2 EXPRESS features traditional MIDI In and Out jacks for playing and controlling software with keyboard and pad controllers, workstations, and other MIDI-compatible instruments.

Level management
Each channel has a gain trim control, and there's a master level control for optimal gain staging. When monitoring on headphones, you'll appreciate the dedicated volume control.

You can also visually monitor levels and operation using the tricolor, stereo metering tree and lighted status indicators.

Complete the package
The Alesis iO2 EXPRESS comes complete with a copy of Steinberg Cubase LE digital 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 Alesis iO2 EXPRESS is compatible with virtually all audio and MIDI software.

FEATURES
  • 2-channel computer audio recording interface
  • Record up to 24-bit/48kHz 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 instruments
  • USB bus powered - no external power supply needed
  • Includes:
  • iO2 EXPRESS interface
  • USB cable

Get a recording interface that goes where you go!

SPECIFICATIONS

iO2 Express Audio Interface

  • 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: <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
Reviews
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Review Snapshot

by PowerReviews
AlesisiO2 Express Audio Interface
 
3.9

(based on 31 reviews)

Ratings Distribution

  • 5 Stars

     

    (17)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (6)

72%

of respondents would recommend this to a friend.

Pros

  • Good audio (12)
  • Compact (11)
  • Easy to use (9)
  • Lightweight (9)
  • Versatile (3)

Cons

  • Unreliable (4)

Best Uses

  • Home studio (11)
  • Amateur recording (8)
  • Professional recording (3)
    • Reviewer Profile:
    • Experienced (9), Novice (5), Professional musician (3)

Most Liked Positive Review

 

Alesis IO2 *Update*

*Technical Issue Update*The issues I was having that I stated back in October of last year are now resolved. Being that the IO2 Express does not have dedicated USB drivers, it relies...Read complete review

*Technical Issue Update*The issues I was having that I stated back in October of last year are now resolved. Being that the IO2 Express does not have dedicated USB drivers, it relies solely on OS drivers, now the issue was that there is a well known driver conflict that can occur if you have any Logitech Cam installed. Rendering the unit useless via USB. A simple google search regarding Logitech and USB Audio driver conflict will bring up a simple fix requiring you to edit the registry. Once done the unit will now function as promised with only a question of personal taste. I still am disappointed in Alesis' lack of mention for trouble shooting on the product page of their website, in addition to their less than reliable customer service, but the unit now functions properly. This is meant to be a notice for anyone who is experiencing these issues and are about to return it. It will save you and the company you purchased from a headache.

VS

Most Liked Negative Review

 

problems with input levels and support for current Mac OS

I'll abbreviate this as I was kicked out when adding the final period to my lengthy statement. Controls are extremely touchy and pots have very little useable range. Condenser mics have to be turned...Read complete review

I'll abbreviate this as I was kicked out when adding the final period to my lengthy statement. Controls are extremely touchy and pots have very little useable range. Condenser mics have to be turned up almost all the way. The Cuebase software waveform (Cuebase installation nightmare is another post) Waveform looks like overdriven splatter, but playback is fine. A sleigh turn of the pot up or down, however, gives no signal or a truly splattered signal. BTW, it won't power a high end Schoeps mic but works fine with a cheap sony condenser.

BIG PROBLEM - device no longer works with mu recording computer after upgrading to latest Yosimite Mac OS. Service was very helpful, telling me to use a different computer. This is my expensive field laptop. Come on Alesis, this is a current product and current OS on a common computer. You should have drivers that make this work.

Reviewed by 31 customers

Displaying reviews 1-10

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(0 of 2 customers found this review helpful)

 
1.0

How do I Set Up This Convoluted Software ?

By Zazzmagicmaster

from West Seneca, New York

About Me Experienced

Verified Reviewer

Pros

  • Lightweight

Cons

  • Unreliable

Best Uses

    Comments about Alesis iO2 Express Audio Interface:

    I am quite familiar with Microsoft programs and video games and I wasted several hours a couple of times to try to set up this software on my Windows 10 laptop, and the sight would not let me do it . So actually, I have to give this 0 stars because I put it away in the closet .

    Comment on this reviewHelp Icon

    (1 of 1 customers found this review helpful)

     
    3.0

    problems with input levels and support for current Mac OS

    By Chris

    from Charlotte, NC

    About Me Experienced

    Verified Reviewer

    Pros

    • Clear Sound
    • Compact
    • Easy To Use
    • Lightweight

    Cons

    • Unreliable

    Best Uses

    • field voice overs
    • Home Studio
    • Professional Recording

    Comments about Alesis iO2 Express Audio Interface:

    I'll abbreviate this as I was kicked out when adding the final period to my lengthy statement. Controls are extremely touchy and pots have very little useable range. Condenser mics have to be turned up almost all the way. The Cuebase software waveform (Cuebase installation nightmare is another post) Waveform looks like overdriven splatter, but playback is fine. A sleigh turn of the pot up or down, however, gives no signal or a truly splattered signal. BTW, it won't power a high end Schoeps mic but works fine with a cheap sony condenser.

    BIG PROBLEM - device no longer works with mu recording computer after upgrading to latest Yosimite Mac OS. Service was very helpful, telling me to use a different computer. This is my expensive field laptop. Come on Alesis, this is a current product and current OS on a common computer. You should have drivers that make this work.

    Comment on this reviewHelp Icon

     
    5.0

    IO2 EXPRESS AUDIO INTERFACE

    By Dani

    from Arkansas

    About Me Novice

    Comments about Alesis iO2 Express Audio Interface:

    Been using this for awhile and it works great! Great for beginners.

    Comment on this reviewHelp Icon

    (2 of 5 customers found this review helpful)

     
    1.0

    Terrible for Mac users

    By Caleb

    from Joplin, MO

    About Me Experienced

    Pros

      Cons

      • Poor Sound Quality
      • Unreliable

      Best Uses

        Comments about Alesis iO2 Express Audio Interface:

        ATTENTION MAC USERS

        Do NOT buy this. If you plan on using Cubase with it it won't work on Mac. You have to download a driver for it to sound good and you can't because it's only for PC. I plugged it into Garageband and there was really bad hissing. Bottom line is this is way to expensive for how it works in a studio.

        Comment on this reviewHelp Icon

         
        5.0

        Just what I needed

        By red-one

        from NH

        About Me Novice

        Verified Buyer

        Pros

        • Affordable
        • Clear Sound
        • Compact
        • Easy To Use
        • Looks cool

        Cons

          Best Uses

          • Amateur Recording
          • Home Studio
          • Performances

          Comments about Alesis iO2 Express Audio Interface:

          I bought this unit to use at home to record songs and for my son to do voice overs on his projects. I found it's easy to use, has good sound quality and a great price. What more could you ask for? We use Steam for its DAW, very easy to manipulate and they work well together. I've had an Alesis drum machine for about 18 years and it still works so I have no quality worries with this unit.

          Comment on this reviewHelp Icon

          (1 of 2 customers found this review helpful)

           
          4.0

          Good entry level audio interface.

          By JB on Bass

          from Vancouver, Canada

          About Me Experienced

          Ask me a question

          Verified Buyer

          Pros

          • Clear Sound
          • Compact

          Cons

            Best Uses

            • Amateur Recording
            • Home Studio

            Comments about Alesis iO2 Express Audio Interface:

            I am running an older PC with Windows XP. The Alesis plugged right in. Cubase 5LE installed easily. At first, Cubase was very slow. After I went on Steinberg's website and downloaded the drivers I needed, everything has been running very quickly. There are lots of free VST's and plug-ins available on the internet that work great.

            The interface works well, sounds very transparent and once you figure out Cubase, is very powerful.

            The interface has 2 channels and has MIDI in and out as well. Does not have RCA or SP-DIF connectors, but that's to be expected at the price point.

            Comment on this reviewHelp Icon

             
            5.0

            Not as hard as it seems ;-)

            By MarTmar

            from Lake Elsinore, CA

            About Me Professional Musician

            Verified Buyer

            Pros

            • Clear Sound
            • Compact
            • Easy To Use
            • Great value
            • Lightweight

            Cons

              Best Uses

              • Amateur Recording
              • Home Studio
              • Performances

              Comments about Alesis iO2 Express Audio Interface:

              My first trax were playing back about a half step higher, out of tune, couldn't figure out the problem. I just needed to set the bit rates to match up: drivers, iO2 and Sonar program I'm using, the iO2 is 48k and 24 bit. My drivers work on 16 bit setting and I was also able to get the iO2 to work in the 44k CD default setting!

              Comment on this reviewHelp Icon

               
              5.0

              This thing is great!

              By Eltravo

              from Gray, tn

              About Me Novice

              Verified Buyer

              Pros

              • Clear Sound
              • Compact
              • Durable
              • Lightweight
              • Versatile

              Cons

              • Difficult To Use
              • Hard To Learn

              Best Uses

              • Amateur Recording

              Comments about Alesis iO2 Express Audio Interface:

              I got this for my girlfriend so she can play piano and sing at the same time and record all of this on the computer. It does a great job at what it is supposed to do. It took me quite a while to figure out all of the little settings and how to make the sound come out of the right places and what not. But once I figured it out its great. Would definitely recommend to a friend. But just warn them on the difficulty of setup when using and sit down with them for quite a while to teach them what buttons to click.

              Comment on this reviewHelp Icon

              (3 of 3 customers found this review helpful)

               
              5.0

              More For Your Money

              By MunkMan

              from Cocoa, FL

              About Me Professional Musician

              Ask me a question

              Verified Buyer

              Pros

              • Clear Sound
              • Compact
              • Durable
              • Easy To Use
              • Lightweight
              • More for your money

              Cons

                Best Uses

                • Home Studio
                • Mobile DJ
                • Professional Recording

                Comments about Alesis iO2 Express Audio Interface:

                I bought this to replace my old Alesis I/O2 from around 2005. I used that one at live gigs and the studio so it had a lot of miles on it even though it still works. My new I/O2 Express sounds exactly the same (same specs) and is basically the same except for the missing digital in/outs. All other interfaces in this price range (even those for much more) are missing the abilty to monitor the direct/USB mix. This function allows you to monitor what you're recording without any latency or causing the sound card to over work and stutter.

                Comment on this reviewHelp Icon

                (3 of 6 customers found this review helpful)

                 
                1.0

                sad

                By bg

                from fl

                About Me Experienced

                Comments about Alesis iO2 Express Audio Interface:

                Tried this unit with 2 different computers and 3 different software programs. Had BIG latency problems under every configuration I tried.

                Comment on this reviewHelp Icon

                Displaying reviews 1-10

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