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Alesis iO2 Express Audio Interface

Item #: 
1274115060958
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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 and PC-based systems enables you to record at up t... Read More

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Overview

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
Specifications
  • 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
Warranty
MANUFACTURER'S WARRANTY
One year parts and labor warranty on all keyboards, DAT, and modules.
One year or 1500 hour warranty (whichever comes first) on tape heads.
Custome must register purchase online to receive customer registration number and warranty.
(No warranties are sent with product.)


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  • Expedited repair
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  • Extended return period
  • Extended price protection
  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews
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REVIEW SNAPSHOT®

by PowerReviews
 
3.0

(based on 14 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (4)

Most Liked Positive Review

 

Good value for 24 bit recording and 48V phantom power XLR mic inputs

I purchased this interface so that I could use it as part of a mobile setup. The Alesis iO2 Express lacks the solid construction and digital i/o of the original iO2. While the...Read complete review

I purchased this interface so that I could use it as part of a mobile setup. The Alesis iO2 Express lacks the solid construction and digital i/o of the original iO2. While the Alesis iO2 Express feels kinda plasticy and lightweight, it seems to be built ok. The iO2 Express comes with a USB cable, a quick start guide and an installation DVD for Cubase LE (Win and Mac OS supported). I did not install the Cubase because I want to run the hardware in Cakewalk Sonar Home Studio 7 so that whatever I produce will be compatible with Sonar 8.5 Producer. To install the hardware you simply plug the interface into the computer via the USB cable to install the generic drivers. When I tested recording vocals using the generic drivers, latency was a big issue. The quick start guide suggests using ASIO4ALL drivers to deal with latency issues--consider installation of ASIO4All a must do item (http://www.asio4all.com). Once you install the ASIO4All drivers and configure them correctly within your DAW, the Alesis iO2 Express interface is quite usable for 24 bit recording with low latency. I give the Alesis iO2 Express 4 out of 5 stars. The unit lost a star for the plastic construction and the lack of a dedicated ASIO driver for the Alesis iO2 Express. Despite its shortcomings, for under $100, the Alesis iO2 Express is a very good value for a USB bus powered interface with 1/4 inch inputs and outputs, 2 XLR mic ins with 48 volts phantom power and midi in and out. Whether you are looking for an entry level 24 bit audio interface with "big boy" inputs and outputs or a second interface for a laptop, you'd be hard pressed to find a better value with all of these features.

VS

Most Liked Negative Review

 

Spend your money on something else

I bought my Alesis iO2 Express about 14 months ago. I bought it so I'd have a way to bring my guitar signal into my laptop computer. So I tried it out and it...Read complete review

I bought my Alesis iO2 Express about 14 months ago. I bought it so I'd have a way to bring my guitar signal into my laptop computer. So I tried it out and it worked ok, but shortly after this I discovered that my laptop is just a little too old with not quite enough max ram to be able to handle much of any of the current music production software. Not seeing a new laptop in the cards any time soon, I just sort of stuck the iO2 in the corner and forgot about it. Until a couple of days ago. Most recently, I was looking for a good way to bring my guitar signal into my desktop digital audio workstation so I could use some amplifier simulation software that I had recently downloaded. I immediately thought of the iO2, collecting dust in the corner, so I plugged it into a USB port on my computer, called up ASIO4ALL to make sure it was seeing the iO2 (it was), and activated it in the ASIO Panel. So yesterday I was using it within my favorite piece of music production software, trying out this new amp sim software I got. Having a great old time. But I had to step away from the computer for a while. And when I get back, I notice this pulsation noise coming from my monitor speakers -- right at two beats per second. Strange. I looked over at one effect I had loaded that has a tremolo feature, but it wasn't activated. So, to make a long story short, I ended up shutting down things one by one on my computer, trying to figure out what the problem was, even rebooted the computer. And then it hits me -- the only thing I hadn't tried was the Alesis iO2. I unplug it and of course the 2 bpm pulse stops, but that was because I just disconnected my audio IN to my system. So I wait for a few seconds and plug it back in. And the 2 bpm pluse is gone! Ahah! It was the iO2! Relieved that the 2 bpm pulse was gone and thinking that maybe it had just hit a glitch of some sort -- hopefully never to be repeated -- I went back to playing my guitar. But not more than a couple of minutes had passed before the pulsations returned. Uh oh. I try unplugging again, waiting longer this next time, then plugging it back in. Yes, the pulse was gone again, but this time it re-emerged twice as fast as before. And now, when I plug it back in, it immediately begins to pulse, then it fades out, maybe for a minute or so, and then comes back. I tried it on another USB port, I tried another USB cable, neither made any difference. I even tried another audio channel just to be sure it was the Alesis and not my computer cratering on me. The other audio channel was clean with no pulses. Welp, that confirmed it, then. So, I have an iO2 Express that I've owned for not quite a year and two months, but which probably has less than 2 hours playing time on it, and it's already a useless piece of junk. I used to think that Alesis was a really class outfit. But that was before they found themselves positioned wrong in the market and went out of business, through really no fault of their own, over 10 years ago. Whoever acquired the Alesis name and is building this stuff now is nowhere nearly in the same league as the original Alesis. Oh, and by the way -- forewarned is forearmed and all that -- the M-Audio M-Track is IDENTICAL to the Alesis iO2 Express. The only differences are cosmetic. The M-Audio unit comes in a black case and has different knobs. Otherwise they are identical. So -- I would recommend that you don't buy an M-Track either.

Reviewed by 14 customers

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5.0

It works.

By Nadia

from Philly

I'm not sure why this unit has so many bad reviews. I've had mine for almost a year now and I've never had a problem with it. It's quiet, (unless you crank the gain all the way up), it's lightweight, and it's surprisingly sturdy. I've traveled with it in my backpack and even had it in checked luggage on a plane. Also, I saw in another review that someone got shocked by metal knobs, the knobs are made of plastic now, so that's not a problem. I track into Reason and it works well. It's completely worth the $100.

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1.0

Spend your money on something else

By Michael McBroom

from Houston, Texas

I bought my Alesis iO2 Express about 14 months ago. I bought it so I'd have a way to bring my guitar signal into my laptop computer. So I tried it out and it worked ok, but shortly after this I discovered that my laptop is just a little too old with not quite enough max ram to be able to handle much of any of the current music production software. Not seeing a new laptop in the cards any time soon, I just sort of stuck the iO2 in the corner and forgot about it. Until a couple of days ago. Most recently, I was looking for a good way to bring my guitar signal into my desktop digital audio workstation so I could use some amplifier simulation software that I had recently downloaded. I immediately thought of the iO2, collecting dust in the corner, so I plugged it into a USB port on my computer, called up ASIO4ALL to make sure it was seeing the iO2 (it was), and activated it in the ASIO Panel. So yesterday I was using it within my favorite piece of music production software, trying out this new amp sim software I got. Having a great old time. But I had to step away from the computer for a while. And when I get back, I notice this pulsation noise coming from my monitor speakers -- right at two beats per second. Strange. I looked over at one effect I had loaded that has a tremolo feature, but it wasn't activated. So, to make a long story short, I ended up shutting down things one by one on my computer, trying to figure out what the problem was, even rebooted the computer. And then it hits me -- the only thing I hadn't tried was the Alesis iO2. I unplug it and of course the 2 bpm pulse stops, but that was because I just disconnected my audio IN to my system. So I wait for a few seconds and plug it back in. And the 2 bpm pluse is gone! Ahah! It was the iO2! Relieved that the 2 bpm pulse was gone and thinking that maybe it had just hit a glitch of some sort -- hopefully never to be repeated -- I went back to playing my guitar. But not more than a couple of minutes had passed before the pulsations returned. Uh oh. I try unplugging again, waiting longer this next time, then plugging it back in. Yes, the pulse was gone again, but this time it re-emerged twice as fast as before. And now, when I plug it back in, it immediately begins to pulse, then it fades out, maybe for a minute or so, and then comes back. I tried it on another USB port, I tried another USB cable, neither made any difference. I even tried another audio channel just to be sure it was the Alesis and not my computer cratering on me. The other audio channel was clean with no pulses. Welp, that confirmed it, then. So, I have an iO2 Express that I've owned for not quite a year and two months, but which probably has less than 2 hours playing time on it, and it's already a useless piece of junk. I used to think that Alesis was a really class outfit. But that was before they found themselves positioned wrong in the market and went out of business, through really no fault of their own, over 10 years ago. Whoever acquired the Alesis name and is building this stuff now is nowhere nearly in the same league as the original Alesis. Oh, and by the way -- forewarned is forearmed and all that -- the M-Audio M-Track is IDENTICAL to the Alesis iO2 Express. The only differences are cosmetic. The M-Audio unit comes in a black case and has different knobs. Otherwise they are identical. So -- I would recommend that you don't buy an M-Track either.

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4.0

Works great after some troubleshooting

By Bridget Jacobs

from Lafayette, LA

I purchased this unit as a guitar/MIDI interface for Amplitude 3 on a Windows 8 ultrabook convertible. I previously used a guitar only interface with ASIO4ALL drivers. When I first plugged this in and fired up Amplitube and plugged in my MIDI pedal board everything worked great. However, the next time I used it, it failed to relay MIDI signals to the computer even though it was recording them from my pedal board. Apparently this is a problem others have had--MIDI works inconsistently. However, I think I've solved the problem and now it works great. (1) I uninstalled ASIO4ALL (2) rebooted the computer with the iO2 plugged in and allowed the computer to recognize it and install generic Windows drivers (this unit does not come with its own drivers) (3) reinstalled ASIO4ALL. Now it consistently relays my pedal board's MIDI signals to Amplitube and guitar signal is clean and low latency. The only reason why I don't give it 5 stars is because Alesis does not provide any of its own drivers for this device.

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2.0

Dont waste your Money or time

By chris plasse

from CA

For one this thing is a decent recording interface and for someone (me) who was just getting started with recording i thought this would work. Well i doesn't i tried using it on 4 different computers of my on 3 different softwares and it wouldn't work. just plain didn't show up. finally i hooked it up to a mac with garage band but even after editing the sound through the io2 and garage band only the left mono could be heard. so that was a good month down the drain.Then after i start recording with it 30 minutes later every single led lights up on it. do some research and turns out that some chip overheated and broke. i recently got an apogee one about a month ago and it works fine on everything I've used it on and i doesn't break after 30 minutes. my recommendation save up and buy and apogee one or something of the sort. its not worth the money time or frustration i put into it

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(1 of 1 customers found this review helpful)

 
4.0

Pretty Handy

By Anthony Le Calvez

from San Diego California

This interface is pretty handful and useful, ut not great. It definitely works nicely, but first the program that came with it, didn't work, and it is a little simple. But it meets requirements and is helpful to have around

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(1 of 2 customers found this review helpful)

 
1.0

Alesis io2 Is In Need of Improvement

By ANDREW KERKES

from Minneapolis

I thought that this Alesis io2 would be a good way to add two tracks and send it via USB to multi-track recording software. It�ۡ���s made so that two separate tracks and multi channels are possible. That�ۡ���s a step up from the lowest end products still out there. At first, I liked the basic features yet, most powered USB mixers have many more than this USB powered IO device. It worked o.k. at first yet, the phantom power seems too weak of a boost for my preference. The phantom power it is comes with, is only enough to activate a condenser microphone and make the signal register and function. You could tweak the signal once it�ۡ���s in the software but, I have seen phantom power that was much more intense, warmer and fuller. What broke mine is when I connected my effects processor and my guitar to one track/channel, and then my microphone and tube pre-amp, to the second track/channel. That was the last time it ever worked. I do not think that should have blown it out, its normal activity for musicians and engineers to need to chain things together and make circuits. I tried to fix it, by adjusting and checking the software settings, sample rate, buffers, sound card, and drivers. But, this thing is toast; and I only had it for a year. This device would be a fair/good deal, if it was at a much lower price, came with a 10 year warranty and if it was durable; able to handle both ordinary and more complicated applications, and also if it came with improved phantom power. They really need to improve this thing and drop the price. Otherwise, you pay a spiked price for junk that they will not back up past 45 days, or whatever the policy and warranty. I highly recommend, that if you can plug into a power source, buy a real mixer with USB instead. A wall plug in powered USB mixer with phantom power is usually always higher quality, has more features, greater value for a comparably better price. Check those out instead of this toy, and if you need a USB powered IO device, maybe try something else and put a warranty on it.

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(0 of 1 customers found this review helpful)

 
2.0

Alesis i02 Is Almost Great Until It Breaks, Now It's Just a Cheap Toy!

By ANDREW K

from Minneapolis

I thought that this Alesis io2 would be a good way to add two tracks and send it via USB to multi-track recording software. At first, I was impressed by the basic features, and the fact that it made two separate tracks/channels possible. It worked great at first yet, the phantom power seems too weak of a boost for my preference. The phantom power it is comes with, is only enough to activate a condenser microphone and make the signal register and function. I connected one channel/track to an effects processor with my guitar, and then my microphone track/channel up to a tube pre-amp, and that was the last time it ever worked. I do not think that should have blown it out, it�ۡ���s normal for musicians and engineers to need to chain things together and make circuits. I even tried adjusting the software and changing settings, checking the sample rate, buffers and drivers. But, this thing is toast. This device would be a fair/good deal, if it was at a much lower price, if it came with a 10 year warranty, if it was durable; able to handle both ordinary and more complicated applications, and if it came with improved phantom power. They really need to improve this thing and drop the price. Otherwise, they are just spiking the price for junk that they will not back up past 45 days. I recommend, that if you can plug in to a power source, buy a real USB mixer instead, they are so much better for the price.

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(0 of 1 customers found this review helpful)

 
1.0

Does not work with garage band 11

By Matthew

from Fountain, CO

The guitar center guys told me today that the Alesis iO2 Express would be the best option for me. "No lag and its has no bug". I want to use the effects on the new garage band and you have to hook up the guitar to the mac. Got it home and hooked everything up and nothing works. It looks nice and other than the metal nobs it feels nice. Maybe it will work with PC's but I would not recommend this to anyone.

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(2 of 2 customers found this review helpful)

 
5.0

Affordable interface that works great!

By James

from Seattle, WA

I've had this for a couple months now and must say that I am very pleased with the way it operates. Not sure why there are a couple bad reviews about it not working, mine works great. It gives you a ton more options than most other interfaces in this price range. there is no delay between the interface and my software. I'm running logic pro on a macbook pro and when i use the amp modeling on it there is no delay between my original signal and the processed sound which is a huge plus ( i can tell because there is a knob that lets you adjust the amount of effected signal into the headphone output). Overall I have to say that you can't find a better interface for this price. It really gives you everything you need and works really well!

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(2 of 2 customers found this review helpful)

 
3.0

Noisy outputs

By Jose Echevarria

from Orlando, FL

I purchased this unit to replace my EMU 1212 sound card which would not work on my new computer with Windows 7/64. The fist module I received had to be returned because it would only record in mono. That one was replaced with a new unit that seems to work just fine. It sounds pretty good when monitoring through headphones, but when the output is connected to a mixer or even directly to a power amp it produces a very annoying high pitch noise (reminds me of my tinnitus), even with all levels at zero, the noise is there. Fortunately the noise does not seem to get into the recordings but it is always present when monitoring through the speakers.

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