Pricing and availability

We compare 600+ stores and found this item at 9 stores. Prices updated .

Sweetwater
4.5 (9)
$209.99
Amazon
4.5 (41)
$209.99
Reverb
5.0 (1)
$152.00 New
$88.29 Used
B&H
$219.99 $209.99 $10.00 · All time low
Thomann
4.5 (6)
$272.00 $270.00 $2.00 · All time low
Gear4Music
£227.00

Price History

Based on price data from 6 merchants for "ART MX821S Rackmount Mic/Line Mixer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The ART MX821S Rackmount Mic/Line Mixer is a versatile solution for musicians, sound engineers, and venues looking to streamline their audio setups with precision and simplicity. This 8-channel mixer effortlessly combines your mic and line inputs into a unified stereo output, all within a sleek 1U rackmount design. Each channel offers both balanced XLR and unbalanced 1/4-inch inputs, ensuring you have the flexibility required for various audio environments, from live performances to studio settings.

Designed with user-friendly controls, the MX821S provides individual level and tone adjustments for each channel, allowing you to tailor your sound with ease. Notably, the mixer features switch-selectable +48 Volt phantom power on each channel, offering the power necessary for condenser microphones without the worry of overloading other gear. Balanced TRS 1/4-inch output jacks ensure a clean and strong signal to your main mixer or monitors.

For those needing to expand their setup, the MX821S includes RCA pre-fade outputs and auxiliary buss input jacks, making it simple to daisy-chain multiple units for more channels. Its built-in power supply and robust single rack height construction ensure this mixer is not only compact but also reliable for long-term use.

Whether you’re handling a small gig, outfitting a boardroom, or enhancing your studio, the ART MX821S is an essential tool that strikes the perfect balance between flexibility and functionality.

Key Features:

  • 8 independent input channels with XLR mic and 1/4-inch line inputs
  • Individual level and tone controls on each channel
  • Switchable +48 Volt phantom power for each channel
  • Balanced TRS 1/4-inch main output jack with master level control
  • RCA pre-fade output and aux buss input for easy channel expansion
  • Compact single rack height design with built-in power supply

Owner's manual

ART MX821S Rackmount Mic/Line Mixer User Manual

Product 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.

FAQs

How many channels does the ART MX821S Rackmount Mic/Line Mixer have?

The ART MX821S features 8 channels, each with its own XLR mic preamp and line input, making it versatile for various live sound applications.

Does the ART MX821S provide phantom power for condenser microphones?

Yes, the ART MX821S offers phantom power on all 8 XLR mic inputs, allowing you to use condenser microphones without additional power sources.

Can the ART MX821S be mounted in a standard equipment rack?

Yes, the ART MX821S is designed to be rackmountable, fitting standard 19-inch racks, making it ideal for both studio and live sound setups.

What types of outputs does the ART MX821S offer?

The ART MX821S includes main outputs on 2 x TRS jacks and an additional stereo RCA output, providing flexible connection options for different audio systems.

Is the ART MX821S suitable for live sound applications?

Yes, with its 8-channel capability, mic/line inputs, and rackmount design, the ART MX821S is well-suited for live sound environments, offering comprehensive mixing control.

Reviews

PROS

  • Compact 1U rackmount design saves valuable space in setups

  • Easy integration with existing systems, minimizing setup time

  • Low-noise operation with plenty of headroom

  • Each channel offers phantom power, enhancing microphone versatility

  • Clip indicators with good visibility, preventing signal saturation

  • Supports both line and XLR inputs for flexible connectivity

  • Ideal for sub-mixing and expanding channel count efficiently

  • Solves input limitation issues for setups with multiple microphones

  • Simple operation suitable for users of all experience levels

  • High-quality construction with consistent audio performance

CONS

  • Audible hum reported when connected to some power amps

  • Headamps may produce noise when gain is increased beyond halfway

  • Balanced output only available in 1/4" jack, not XLR

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about ART MX821S Rackmount Mic/Line Mixer.

Features and functionality

  • The ART MX821 has pan functionality but lacks a mono out, which is a trade-off for those needing stereo management with more control.

    Source

Comparisons

  • The Denon DN-312X offers balanced combo jacks but lacks pan control, making it less suitable for stereo input needs compared to the ART MX821.

    Source

Setup and maintenance

  • Users note that the ART MX821's line inputs are unbalanced, which may require additional equipment for setups needing balanced inputs.

    Source

User experience

  • Owners of the Ashly LX-308b highlight its ability to handle greater than +24dBu without distortion, ideal for high-headroom applications.

    Source

Based on 0 Reviews and 0 Ratings

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Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use ART MX821S Rackmount Mic/Line Mixer, it is most commonly used with the following gear.

Shure - SLX4
Shure - SLX4 Wireless Microphones
1

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