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Mackie Onyx 820i - 8-Channel FireWire Recording Mixer

B&H # MAO820I MFR # ONYX 820I
Mackie Onyx 820i - 8-Channel FireWire Recording Mixer

Mackie Onyx 820i - 8-Channel FireWire Recording Mixer Front View Top View Back View

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Product Highlights

  • Compatible with Pro Tools M-Powered 8
  • Ideal for Use with Final Cut Pro
  • Switch Master Outs to Mic or Line-Level
  • Route Any Channel Pre or Post EQ to DAW
  • Send Auxes to DAW to Use Effects Live
  • 2 Aux Sends & Control Room Routing
  • Dedicated Talkback Section with Mic
  • Mac and Windows Compatible
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You Pay: $449.99


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The Onyx 820i from Mackie is an 8-channel audio mixer with a built-in FireWire computer audio interface. It features a meticulously designed audio mixer section with flexible capabilities for both the studio and the stage. You can tap into the power of computer recording in new ways with its deep DAW integration. The fact that the 820i is fully compatible with Pro Tools M-Powered 8 software really makes it a full-featured audio tool that can adapt to any situation.

Each of the 3 mic channels on the 820i features a 3-band Perkins EQ with a sweep and a boutique-quality Onyx mic preamp, and the 2 stereo channels all feature 3-band EQ. There are 2 aux sends for monitor mixes on stage, headphone cue mixes in the studio, and for effect sends. Every one of these channels (including the aux sends and the master) can be routed through the FireWire interface into the DAW of your choice. You can even return 2 channels from your DAW back into the 820i and integrate them into your mix. For a device that easily fits in a backpack and doesn't take up very much room on a desk, the 820i packs a lot of power into a small footprint.

There are some interesting capabilities in the computer integration aspect of the 820i. If you have any good sounding effects that you use with your DAW software, you can easily integrate them into your mixes. For live sound, you can have your computer connected and route an aux send to your DAW, apply the effect in your software, and route the wet signal back into the mixer. You can record individual tracks in your DAW, and record the master mix outputs separately.

The first two channels on the Onyx 820i feature a button that transforms the input into an instrument-level DI. This is ideal for recording guitars and basses. It includes a full-featured talkback section with a built-in microphone that enables you to communicate with artists from the control room of your studio, or through monitors with musicians on stage. It's no accident that Mackie is one of the most heavily relied upon manufacturers of recording and sound reinforcement equipment, and the Onyx 820i is among the most versatile pieces of gear they've ever produced.

8-channel premium analog mixer with integrated 24-bit/96kHz FireWire I/O
Qualified by Mackie for use with all major production software, including:

Pro Tools M-Powered 8
Final Cut Pro
Ableton Live
Sonar Final Cut Pro

3 Onyx boutique-quality mic preamps
3-band Perkins EQ with sweepable mids on mono channels
3-band Perkins EQ on stereo line channels
Hybrid mono/stereo channel with 4-band Perkins EQ
Flexible FireWire routing, including aux sends, groups and pre/post EQ assignment for all channels
Stereo playback from DAW, returned to control room or into channel for integration into mix
2 aux sends with pre/post assignment
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
Total # Of Inputs 8
Mic/Line Inputs 3 x Microphone Inputs
5 x Line Inputs (channels 1 & 2 can be switched to Hi-Z instrument level)
Stereo Line Inputs 3-band Perkins EQ on stereo line channels
AUX Sends 2
AUX Returns 2 Stereo Returns
Inserts 2 x Channel Inserts
BUS (Group) Outputs None
2 Trk Master I/O 2 x Balanced XLR Outputs with Mic or Line-Level Output Button
ALT I/O 2 x TRS 1/4" Alt. Output
Stereo RCA Tape Input & Output
Monitor Outputs 2 x Balanced TRS 1/4" Control Room Outputs (with dedicated volume knob)
1 x Stereo 1/4" Headphone Output (with dedicated volume knob)
EQ Section 2 x 4-Band EQ with Mid Sweep
1 x 4-Band EQ
2 x 3-Band EQ (on stereo channels)
Solo/Mute Yes, on every channel
Channel Level Control Rotary Knobs
Trim/Gain Control Rotary Knob
Phantom Power Yes, +48V (on every mic channel with individual buttons)
Metering 12-Segment LED Master Meter
2-Segment LED Meter On Every Channel
Frequency Response Mic input to any output with all gain stages at unity: +0/-0.5 dB, 20 Hz to 20 kHz
Stereo channel line input to any output with all gain stages at unity: +0/-0.5 dB, 20 Hz to 20 kHz

FireWire In & Out at 44.1 kHz: +/-0.5 dB, 20 Hz to 20 kHz, -3 dB at 21 kHz
FireWire In & Out at 96 kHz: +/-0.5 dB, 20 Hz to 20 kHz, -3 dB at 45 kHz

Total Harmonic Distortion (THD) 20 Hz to 20 Hz, 20 Hz to 80 kHz Bandwidth

Mic Input at Insert
(+4 dBu in, 0 dB gain, +4 dBu out): 0.001%

Power Supply Universal AC Power Supply, 100 VAC - 240 VAC, 50 - 60 Hz
Dimensions 14.2 x 9 x 3.8" (361 x 229 x 96mm)
Weight 10 lbs (4.5 kg)
Mackie Onyx 820i - 8-Channel FireWire Recording Mixer
  • Power Cord
  • Owner's Manual
  • Limited 1-Year Warranty

    by PowerReviews
    MackieOnyx 820i - 8-Channel FireWire Recording Mixer

    (based on 5 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars




    of respondents would recommend this to a friend.


    • Compact (4)
    • Excellent sound (3)
    • Simple controls (3)


      Best Uses

        Reviewed by 5 customers

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        Displaying reviews 1-5

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        Good - if you get it working...Drivers!!

        By DMarro

        from Williamstown, NJ

        About Me Professional Musician

        Verified Buyer


        • Accurate Controls
        • Compact
        • Excellent Sound


        • Difficult To Use
        • Drivers Drivers Drivers

        Best Uses

        • Professional Recording
        • Video production

        Comments about Mackie Onyx 820i - 8-Channel FireWire Recording Mixer:

        In theory its the perfect unit for the digital recording age - in theory.

        I'll be honest - its does what it says. Its a great little machine with a great mixer and interface. However - there comes a matter of actually getting it to work with your computer you need the right driver. Again, theoretical physics would suggest to upload a recent driver from Mackie's web site - EASIER SAID THAN DONE!

        I have windows 7 and the drivers that came with the unit are for xp and vista. Accessing the drivers online was a challenge - I kept getting errors that the drivers failed to install. I had to do a bit of digging in the uploaded driver file , closed my eyes, left my fate in the hands of Jesus and picked a random app file to upload - and it works.

        I use this for different applications - and each one requires a little tweak to get it working right. For example - protools - it works fine. When do my radio show with skype - I get input signal at all - a quick fix was pressing in the 7/8 input switch above the master volume.

        Another tweak was adapting it for adobe premier pro - but it all works fine now. I have also had no issues with low levels as some people have had. these issues can be simply solved in the chain of audio from the source to software.

        Understand - I'm 41 and came from an analog world. i still call it tape! So in my old world, you buy something, you plug it in, and it works - for a musician today you need to have a background of NASA engineering, and I am confident, after getting this to work, that I qualify for the space program. Since I'm self employed, I can afford to spend days on it at a time to trouble shoot and tweak.

        Mackie could have made this easier with direct individual links to win7 drivers. There are easier interfaces available - check them out first. If you feel brave enough to tackle the driver issues - by all means - this unit is just for you.

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        By Producer

        from Columbus, OH.

        About Me Professional Musician

        Verified Buyer


        • Accurate Controls
        • Compact
        • Easy To Use
        • Excellent Sound
        • Versatile


        • Heavy bulky

        Best Uses

        • Amateur Recording
        • Events
        • Performances

        Comments about Mackie Onyx 820i - 8-Channel FireWire Recording Mixer:

        Anyone looking for a straight forward, versatile connection from your computer to your instruments can find this device a wonder!

        Share this review



        By Mustang

        from Saginaw MI

        About Me Novice

        Verified Buyer



            Best Uses

              Comments about Mackie Onyx 820i - 8-Channel FireWire Recording Mixer:

              Great so far! clear and crisp with no delay as using logic express. Only thing I'm working with is a cable that didn't match to my Macbook Pro and input signals being weak to my software.. hopefully a problem I work out!

              Share this review

              (7 of 12 customers found this review helpful)


              Mackie Onyx 820I low gain problem

              By T. Powers

              from Paris, France

              About Me Experienced

              Verified Reviewer


              • Accurate Controls
              • Compact


              • Limited Functions
              • Low gain
              • Unusable for recording

              Best Uses

              • Events

              Comments about Mackie Onyx 820i - 8-Channel FireWire Recording Mixer:

              The Mackie Onyx I series, compared A/B with competition (cheaper Yamaha USB mixers or Motu) exhibit about 40 dB less signal in captured audio files.
              With normal voice, talking (like telling a story), you will fill only 8% (yes) of the total dynamic ratio, gain knob fully right.
              On the other mixers, gain knob at about 1 a clock you get covered 90% of the dynamic ratio.
              The attenuation on the A/D block is way to much, about 40 db more than usable.
              Actually you cannot use 100% of those 24 bit resolution because analog clipping will occur about 8 dB before the digital clipping.

              If you really want to use the mixer in your DAW, you will end up using about 10-11 bits at maximum.

              Just my 2c,
              T. Powers

              Share this review

              (4 of 4 customers found this review helpful)


              Awesome project studio Mixer / Soundcard

              By Niels

              from Reston. VA

              About Me Experienced

              Verified Buyer


              • Compact
              • Easy To Use
              • Excellent Sound


                Best Uses

                • Project studio

                Comments about Mackie Onyx 820i - 8-Channel FireWire Recording Mixer:

                Using this for my wife's project studio; one box to handle computer recording and in-studio monitoring / mixing. Very compact, all the right inputs for a musician / singer, and easy to use.

                The main selling point was the small footprint; it works just like every other mackie, and the computer integration is easy.

                For a little extra money, you can buy an upgrade that will let you use this machine with Protools M Powered, which makes for an awesome DAW setup.

                The inputs on this mixer have individually selectable Phantom Power (input 1-3) so a mix of mics is easily used. Input 1 and 2 will also work as direct instrument ins for electric guitars etc, so no messing around with direct boxes.

                My wife is not an audio engineer or recording engineer; the limited scope and functionality provided here make this a solution she can handle.

                The sound quality is very decent for something in this price range as well. We have it paired with a set of HR624Mk2 Studio Monitors, and it's about the best setup in this price range I have heard for small project studio use.

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                Rack Accessories

                Mackie - Rack Mount Bracket for Onyx 820i
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                Special Order ?
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