ART MX821S Rackmount Mic/Line Mixer Certified Open Box

Name: ART MX821S Rackmount Mic/Line Mixer
Brand: ART
Rating: 4.5 (9 reviews)

8-channel Mic/Line Mixer with Individual Volume, Pan, and Phantom Power Controls, and Stereo Output

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Item ID: MX821Sd1

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Condition Notes:

This item is in good condition and perfect working order. Product includes all original accessories. This item ships in its original factory packaging.

This item was thoroughly inspected by our factory-authorized service team and is backed by Sweetwater's exclusive 2-year warranty. The images shown do not necessarily represent the condition of this particular item.

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Stereo Mixer for Mics and Line Signals

Grab a compact and useful mixer to add to your setup with the ART MX821. Whether you need phantom-powered XLRs or 1/4" inputs, this powerful, yet simple, mixer has you covered. It's perfect for your keyboards, small-stage setups, drum kits, or submixing before going to the main mixer. Balanced 1/4" stereo outputs are ready to send your mix to the main mixer of your sound system. Engineers at Sweetwater appreciate the MX821S as a problem solver, giving you comprehensive mixing capabilities in applications where a traditional full-featured mixing console is impractical. Simplify your rig by adding an ART MX821S mixer!

Related Videos: MX821S Rackmount Mic/Line Mixer

ART MX821S Mic/Line Stereo Mixer at a Glance:

Flexible I/O
Phantom power for all
A very versatile unit

Flexible I/O

ART's MX821S mixer not only gives you eight channels of mic pres - each channel also supports line inputs for maximum flexibility. It's an ideal mixer for schools and multimedia centers that may need to mix an ever-changing variety of sources.

Phantom power for all

Each channel of the ART MX821S features an independent phantom power switch. No more "all on" phantom power, pick and choose which channels get juiced and which ones don't. Rest at ease knowing that you aren't hurting your precious mics or other gear with unwanted voltage.

A very versatile unit

This generously featured 1U mixer is at home or on stage as it is in a machine room, and it's priced to fit into any budget. Whether you're a professional musician, an audio contractor, an A/V consultant, or looking for a useful line mixer for your house of worship, ART MX821S mic/line mixer is the tool to get the job done.

ART MX821S Mic/Line Stereo Mixer Features:

8-channel stereo mixer in a convenient 1U rack unit
XLR and 1/4" inputs on each channel
Separate 48-volt phantom power switches for each channel
Balanced 1/4" outputs for sending to mixer or monitors
RCA aux buss input and pre-fade output

Add a convenient and easy-to-use mixer to your rig with the ART MX821S!

What is Certified Open Box Gear?

At Sweetwater, we're so picky that what we call "Certified Open Box" is actually better than what most music retailers sell as "new" gear! Our gear hasn't endured hundreds of people a week plunking away at all the keyboards, fumbling through Stairway to Heaven on every guitar or playing with every fader and knob on a mixer or control surface.

Certified Open Box (also known as a demo) means we’ve had it out of the box for our YouTube channel, displayed at events, tested in our studio, or maybe it was in a customer’s hands for a few days and isn’t ‘factory fresh’ as a result. Every Certified Open Box item we sell has Sweetwater’s 2-year Total Confidence Coverage™ warranty and has been tested and verified up to ‘new’ specs by our factory-authorized technicians to make sure it’s in perfect working order before we ship it to you.

When you buy a Certified Open Box item at Sweetwater, you get:

2-year Total Confidence Coverage Warranty™!
Products inspected and tested by our factory-authorized techs, guaranteed to function like new (or better)!
FREE shipping on most items
Equipment that will MEET or EXCEED your expectations!

Click HERE to browse our current inventory of Certified Open Box equipment. Purchasing Certified Open Box gear from Sweetwater is a smart and safe way to save!

Warranty Info

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Tech Specs

Type: Analog
Channels: 8
Inputs - Mic Preamps: 8 x XLR
Phantom Power: 8
Inputs - Line: 8 x TS
Inputs - Other: 1 x Stereo (RCA)
Outputs - Main: 2 x TRS
Outputs - Other: 1 x Stereo (RCA)
Rackmountable: Yes
Height: 1.75"
Width: 19"
Depth: 6"
Weight: 6.3 lbs.
Manufacturer Part Number: MX821S

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The Art MX821S is an essential mobile rack microphone rig.!

I'm using this mixer as an analog sub group/ media source for my digital SoundcraftUi16. The Ui16 is great, but just a tad behind the times as it's built in usb media player doesn't simply stream from a Bluetooth source (it has to read files). So, long story short, I got this mixer (3 days from Ft. Wayne to Pittsburgh via FedEx ground) for two reasons.
1.) To connect a Bluetooth receiver to my digital mixer so I can simply stream music.
2.) To serve as an analog sub group for my overall main mix.
The routing is simple, there is Phantom power available on each of the 8 channels. The stereo send is in both 1/4" and RCA formats, which is perfect for my ch. 15 & 16 RCA inputs. If you're looking for more channels to expand your current rig, I highly recommend this mixer!

have a nuce mic kit for my drums and the PA board did not quite fit the bill for the first gig with them,
Had not enough channels and had to Split mics and share four channles with 8 mics... it was a disater!!!

it was an outdoor party. its an annual thing so I researched equipment and found this mixer. I messaged Kurt exactly what I wanted to do for the PA... *Mic the kit, individualy and send them all to ONE board and send that to the main PA.. volume controls for each mic and a master vol for the little extra control.. He said it will do EXACTLY that , and it did. it was worth every cent I spent and every minute I spoent stting it up... if you want a great inexpensive mixer for your drum kit * I mean only 8 channels but enough for most kits( then BUY THIS MIXER!!
Each input is eithe LINE IN or XLR and each channel as PHANTOM POWER!!!
This thing is AMAZING!!!

The MX821S is the perfect accessory for my rack as I can assign the 8 channels to several instruments and not constantly have to change out cables. The onboard phantom power makes the shift between a powered mic and a dynamic mic too easy. I'd highly recommend this piece to anyone doing home recording that does not like having a desktop mixer taking up space and dividing your time between hook-ups. This mixer is quiet and versatile.

Have 2 of these for traveling evangelical group. Mounted in one rack for 12 mics. Running them piggy backed. No problems after 2 years of service. Simple enough that ALL can operate them.