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Comment: This Mackie 820i comes with power cable and user guide and is in good condition with normal wear from use, has been tested, and works great. Please see pictures for details on item condition. Only what is pictured is included.
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Mackie Onyx 820i 8-channel Premium FireWire Recording Mixer

3.8 out of 5 stars 18 customer reviews

Available from these sellers.
  • Mixing board 8 channel
  • 8 channel mixing board
  • Analog mixing board
12 new from $419.15 6 used from $211.99
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Product Description

The feature-packed and performance-optimizing Onyx 820i is the most compact and desk-friendly version of the Onyx-i Series. With eight channels, three Onyx mic preamps, two aux sends, talkback, flexible control room routing and a variety of Perkins EQ configurations, there is plenty of analog goodness to go around. Plus, FireWire I/O lets you route all channels, auxes and the master L/R to nearly any DAW for recording and return a stereo signal to the control room or into a channel for mix integration. The 820i packs a big punch in a very small package.

  • 8-channel premium analog mixer with integrated 24-bit/96kHz FireWire I/O
  • Qualified by Mackie for use with all major DAWs, including:
    • Pro Tools M-Powered 8 (Requires purchase of driver upgrade at
    • Logic
    • SONAR
    • Cubase
    • Ableton Live
    • Final Cut Pro
  • 3 Onyx boutique-quality mic preamps
  • 3-band Perkins EQ with sweepable mids on mic/line channels
  • 3-band Perkins EQ on stereo line channels
  • Hybrid mono/stereo channel with 4-band Perkins EQ
  • 8x2 FireWire routing, including aux sends and pre/post EQ assignment for all channels
  • Stereo playback from DAW, returned to control room or into channel for integration into mix
  • Built-in DI on first two channels for direct connection of guitars, bass, etc.
  • Individual 48V phantom power switches on all mic inputs
  • Talkback section with built-in mic and flexible routing
  • "Planet Earth" switching power supply for worldwide use
  • Optional rack kit available

DAW-Friendly Doesn't Even Begin to Cover It
Mackie-designed gear is more often than not the result of customer interaction and suggestion. After all, we are making gear for you. For years, our customers have been asking for the freedom to work with any DAW they choose. So when we designed the Onyx-i series, we took this suggestion to heart. We are very proud that Onyx-i mixers are more DAW-friendly than any other interface ever. Onyx-i mixers are qualified by Mackie for use with all major DAWs, including Pro Tools M-Powered 8* Logic, SONAR, Cubase, and more. Now, dedicated Mackie customers can enjoy using their Mackie mixer with the world's most popular DAW. And Pro Tools M-Powered 8 users now have a variety of new--and different--tools to use with their favorite DAW. It's a win-win situation.

*Pro Tools M-Powered 8 users will need to purchase the Mackie Universal driver upgrade available at

Deep FireWire Integration
The Onyx-i Series features deeper FireWire integration than any other mixer out there and offers immensely powerful routing capabilities:

  • Wet or Dry?--Every channel on the mixer can be routed pre or post EQ to the computer, allowing you to choose whether to implement "EQ to tape" or not.
  • Studio Quality Effects--All aux sends are routable to the computer, allowing you to utilize your computer as a powerful FX engine by implementing your favorite plug-ins in a live scenario.
  • Preserve Your Mix--Master L/R is routable to the computer for recording your analog mix. Burn and sell CDs of the mix at the end of the gig!
  • Mix Integration--Stereo return from the computer can be routed to either the control room for instant monitoring or to a stereo channel for mix integration.
  • Latency-Free Overdubs--Having a "real" mixer has its benefits. Latency-free overdubs are simple since you are using an analog mixer. No more wasted time dealing with the complicated "DSP" mixers commonly used on standalone interfaces.

The flexibility offered by the 820i allows you to work faster and more intuitively than ever before. Imagine a world where your recording sessions run smoothly, every single time. Dream of a live sound mix that is both archived for history and simultaneously recorded multi-track for later mixing. No need to dream, the 820i is here.

Premium Analog Mixer
When it comes to the high pressure environment of a recording session or live performance, you simply cannot beat the stability and reliability of an analog mixer. With features honed over 20 years of design by some of the legends in the industry, the Onyx-i Series mixers are simply the best sounding full-featured analog mixing boards available to the modern sound engineer.

The 820i has a plethora of analog features that are sure to please. First off, there are three Onyx mic preamps which have been proven as some of the best boutique quality preamps available today. That is, without having to re-mortgage your house in order to pay for all the inputs you need. Then there’s the Perkins EQ, which offers highly musical Q filter without sacrificing the precise control that Mackie EQs are known for. Two mono mic/line channels feature 3-band Perkins EQ with a sweepable mid, the stereo line channels have 3-band EQ and (talk about flexibility) a unique hybrid channel features 4-band Perkins EQ. So, regardless of the type of signal you need to input, there is sure to be a channel with the right EQ for the application. Other analog tools include two aux sends with pre/post fader assignment, allowing for monitor mixes, effects loops or additional headphone mixes. There are built-in DIs on the first two channels for direct connection of guitars or bass and a dedicated talkback section with a built-in mic that lets you easily communicate with band members while on stage or recording. With all these proven, great-sounding analog features, it is easier than ever to create a memorable mix.

Smacks of Quality
The Onyx 820i offers a tremendous collection of professional analog features and extremely deep DAW integration, but it is so much more than that. The sleek, modern design might even tempt you build a museum quality display for your engineer friends to admire. Plus, since it’s a Mackie, you can be sure that it is "built like a tank" and will survive years of abuse.

Any audio company can cram a bunch of inferior components into a chassis and, believe us, a lot of them do. This is never the case with a Mackie mixer. Everything about the Onyx-i Series smacks of quality, because only the most quality, high-end components are used throughout the entire signal path. At the front end, you have the pristine signal boost offered by the Onyx mic preamps, which will likely get routed through the legendary Perkins EQ. The signal then passes through a series of sealed rotary knobs, which keep dust and grime out of the potentiometer. Then your mix hits the summing bus, which has been custom-designed to offer the highest possible headroom while preserving the sonic quality offered by the aforementioned components. Maybe you assigned the signal to stream across the FireWire outputs. If so, they had the pleasure of passing through the high-quality Cirrus analog-to-digital converter on their way to your computer. Or maybe you were overdubbing and streamed your backing tracks from your DAW and integrated them into the mix. In that case, you can thank the ridiculously high-end AKM digital-to-analog converter for the immaculate quality of the playback. These converters are extremely high-quality and easily rival the most esoteric (and expensive) interfaces out there today. From start to finish, no matter how you use it, the 820i offers the quality demanded by industry professionals.

Software Requirements:
For PC

  • Microsoft Windows 7 32 / 64, Vista 32 / 64 RTM, or XP SP 2
  • Pentium 4, Celeron or Athlon XP processor
  • 512 MB RAM
For Mac
  • Mac OS X 10.4.11 – 10.6.2
  • G4 processor
  • 512 MB RAM

Product Information

Item Weight 12 pounds
Product Dimensions 16 x 12 x 8 inches
Shipping Weight 12.3 pounds
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Shipping Advisory This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
Item model number onyx820i
Customer Reviews
3.8 out of 5 stars 18 customer reviews

3.8 out of 5 stars
Best Sellers Rank #68,853 in Musical Instruments (See Top 100 in Musical Instruments)
#293 in Musical Instruments > Recording Equipment > Mixers & Accessories > Mixers
#70,499 in Electronics > Accessories & Supplies > Audio & Video Accessories
Date first available at April 13, 2004

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

I have to agree with Ona's review. Unfortunately I have just today returned my 820i. It's a lovely mixer, sounds great, well-featured, but the low level that the 820i sends to my computer via firewire is unacceptable.

I spoke to Mackie, who informed me that they have purposely built a -18db attenuation in the firewire signal. So anything that reads as 0db on your 820i mixer will come out as -18db in your DAW. As a result, waveforms entering my DAW are almost non-existent.

This is great for those using the mixer to record in a live situation, as your signal is unlikely to peak to tape, but as an interface in a home studio situation it is pretty much unworkable.

A real shame, as on paper this looked like an extremely well-featured firewire mixer at a great price. Let down entirely by this ridiculously low level firewire signal. I'm sure there are probably ways to work around this problem, but I'm not interested in paying for something that i then have to work around. I need it to work straight out of the box, and sadly the Mackie Onyx 820i does not deliver.
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Verified Purchase
I purchased this mixer for use in my home studio and was very disappointed.

I had a great deal of difficulty finding software that would actually work with the firewire feature, despite Mackie's claim that the 820i "is compatible with every major DAW" it's not. Even if that's true, the mixer definitely does NOT work with every major operating system. I've tried to use the mixer with 3 different computers it will allegedly work with, of those attempts only one was successful.

When i contacted Mackie about my issues I was told that my firewire cable was likely broken (IT WASN'T), and/or I should update the firmware in my mixer (- which is difficult to do if it isn't recognized by your computer).

I've updated software, hardware, spent a ton of money, waited months, and I STILL cant get this damn thing working.

Now I'm told even if I do, it has a built-in -18db on the firewire channel? WTF? Mackie should've advertised that too.

For all it's bells and whistles, I've seen $50 mixers that function infinitely better than this unit. Do yourself a favor, and buy one of those instead.
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I really have to disagree with the negative reviews here, although my 820i is an older one and maybe Mackie did something recently when the unit was updated a year or two ago so please check with them. My 820i is EXCELLENT, sounds truly professional, and the firewire has worked perfectly on every version of Mac OS since Leopard except Mountain Lion. It does work perfectly on Mavericks, even though it's not documented - I'm using it every day on Mavericks and it works flawlessly. I am not experiencing a "low firewire signal level" like some others have mentioned - my firewire signal is exactly as I would expect it when working with Pro Tools.

I'm a professional audio engineer for a living and own several other mixers in addition to this one. The sound quality of this mixer is truly excellent and rivals much more expensive mixers. The ONYX preamps are very good for the price, just don't expect them to outperform a $1,000+ mic pre. I also own the 820i's bigger brother, the 1640i, which I use when I need to record an entire band at once, and that mixer is also excellent - I compared it to both the Allen & Heath ZED and the Midas Venice F and was not as impressed with those vs. these. And again, no firewire problems with the 1640i either.

Both the 820i and the 1640i are excellent firewire mixers in their price range, and to be honest, in their price range there's really not that much else available that can touch them. Based on my experience I would highly recommend them.
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After an existing audio interface went bad, I ordered the Mackie Onyx 820i as a replacement (not from Amazon), setting out to love the thing. I did at first, but after noticing some limitations, I am exchanging it for a different setup. My biggest gripe is the low output to the DAW. At detent, the highest level captured in a waveform was -22dB. At full gain (firewire send is pre-fader, so gain is only option for adjusting level unless you route everything - and I do mean everything - through a preamp) I was capturing -16dB, regardless of instrument (this introduced a lot of noise when recording guitar). A follow up call to the vendor from which I purchased it revealed that other customers had noted the same characteristic. Some would argue that this is just fine when recording in 24-bit, but I'd prefer to make that adjustment on my own rather than having hardware make the decision for me. Gripe #2 - no control panel. The only setting you can adjust outside of the DAW software is buffer size.

Maybe this thing needs someone smarter than me at the wheel, but all the same, I'm going with a different interface.
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Verified Purchase
As many others have pointed out, you will get barely a signal out of the firewire output into your recording software. Mackie says that's on purpose for arcane reasons that don't need to be detailed here. I got fed up with recording low signals and having to process them up to acceptable levels with dynamics processing. So I just pulled my Onyx 820i out of service and am replacing it with a Mackie VLZ3 series mixer and a balanced sound card in my machine.

It's a shame, because the Onyx is powerful board, but the level issue is a real pain and makes quite a mockery of one of this mixer's key features: Integrated Firewire and routing to/from it.
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