Focusrite Scarlett 18i20 3rd Gen vs Mackie Onyx Artist 1x2

Focusrite Scarlett 18i20 3rd Gen vs Mackie Onyx Artist 1x2 compared — specs, features, and which one to buy for your setup. See the full breakdown on CreatorConfig.

Focusrite Scarlett 18i20 3rd Gen
Focusrite
Focusrite Scarlett 18i20 3rd Gen
$149.99
Mackie Onyx Artist 1x2
Mackie
Mackie Onyx Artist 1x2
$199

The Ruling

Focusrite Scarlett 18i20 3rd Gen or Mackie Onyx Artist 1x2? Get the Focusrite Scarlett 18i20 3rd Gen.

The Focusrite Scarlett 18i20 3rd Gen wins Mic Inputs, Monitoring, Creator Features and Connectivity. It is also the cheaper of the two, by $49.01.

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At a Glance

Where each one actually leads

Every axis is scored out of 10 from the catalog specs below. The scores are relative to the products on this page, so a 10 means “best of these”, not “perfect”, and two identical columns mean the catalog genuinely cannot separate them. Axes the catalog holds no figure for on both sides are left off entirely rather than guessed at.

CategoryFocusrite Scarlett 18i20 3rd GenMackie Onyx Artist 1x2
Audio Resolution10/1010/10
Mic Inputs10/105/10
Monitoring10/107.5/10
Creator Features10/105/10
Connectivity10/102/10
Power0/1010/10

The Split

What each one wins

Focusrite Scarlett 18i20 3rd Gen

Desktop audio interface intended for creator workflows, microphone input, monitoring, and clean signal routing.

On paper the Focusrite Scarlett 18i20 3rd Gen takes ADAT expansion (Yes), TRS outputs (10, +8), XLR inputs (2, +1) and headphone outputs (2, +1). It gives up bus powered to the Mackie Onyx Artist 1x2. It is the cheaper of the two, by $49.01.

Leads on

  • ADAT Expansion
    Yes
    No

    ADAT lets you add eight more inputs later instead of replacing the interface.

  • TRS Outputs +8
    10
    2

    More TRS outputs allow routing to studio monitors and outboard gear.

  • XLR Inputs +1
    2
    1

    More XLR inputs let you record multiple microphones simultaneously.

  • Headphone Outputs +1
    2
    1

    A second headphone output lets a guest monitor without a splitter.

Mackie Onyx Artist 1x2

Desktop audio interface intended for creator workflows, microphone input, monitoring, and clean signal routing.

On paper the Mackie Onyx Artist 1x2 takes bus powered (Yes). It gives up ADAT expansion and TRS outputs to the Focusrite Scarlett 18i20 3rd Gen. That costs $49.01 more than the Focusrite Scarlett 18i20 3rd Gen.

Leads on

  • Bus Powered
    Yes
    No

    Bus power means the interface runs off USB alone — no wall adapter to carry or find a socket for.

Where they’re identical

These 7 specs are the same on both of them, so none of it is part of the decision.

  • Connection Type usb-c, xlr, trs
  • Operating System windows, macos
  • Sample Rate 192kHz
  • Bit Depth 24-bit
  • Phantom Power Yes
  • Direct Monitoring Yes
  • Loopback No

The Record

19 specs, grouped by area

Full specification comparison of Focusrite Scarlett 18i20 3rd Gen and Mackie Onyx Artist 1x2, grouped by area.
Specification
Focusrite
Focusrite Scarlett 18i20 3rd Gen
Mackie
Mackie Onyx Artist 1x2
Audio ResolutionEven
Sample Rate192kHz192kHz
Max Sample Rate192kHzno data
Bit Depth24-bit24-bit
PreampsNot enough data
Preamp Gain60dBno data
Dynamic Rangeno datano data
Mic InputsFocusrite Scarlett 18i20 3rd Gen
XLR Inputs✓ 21
MonitoringFocusrite Scarlett 18i20 3rd Gen
Headphone Outputs✓ 21
Direct MonitoringYesYes
Creator FeaturesFocusrite Scarlett 18i20 3rd Gen
LoopbackNoNo
ADAT Expansion✓ YesNo
MIDI I/OIn/OutNone
Bundled Softwareno datano data
ConnectivityFocusrite Scarlett 18i20 3rd Gen
TRS Outputs✓ 102
Connection Typeusb-c, xlr, trsusb-c, xlr, trs
PowerMackie Onyx Artist 1x2
Bus PoweredNo✓ Yes
Phantom PowerYesYes
BuildNot enough data
Dimensionsno datano data
Weightno data0.5 kg
CompatibilityNot enough data
Operating Systemwindows, macoswindows, macos

A group is won by whoever takes more of its rows outright. Specs the catalog cannot rank are shown but never decide a group.

Bottom Line

Who each one is for

The Focusrite Scarlett 18i20 3rd Gen is the pick on the specs the catalog holds, but “better on paper” and “right for you” are different questions. Each case below names what the product is actually good at and who that suits.

Our pick
Best ValueMost ConnectivityBest for Multi-mic

At $149.99, the Focusrite Scarlett 18i20 3rd Gen is the most affordable option — 25% less than the priciest pick. It leads in XLR inputs (2) and headphone outputs (2). Offers the most spec advantages per dollar in this comparison.

  • + More XLR inputs (2 vs 1)
  • + More headphone outputs (2 vs 1)
  • + Better ADAT expansion (Yes vs No)
  • + More TRS outputs (10 vs 2)
  • × Weaker bus powered (No vs Yes)

Also worth knowing

  • ✓ You need 2 XLR inputs for recording multiple sources
  • ✓ You want the stronger headphone outputs (2)
  • ✓ Budget is your top priority — $49.01 less than the priciest option
  • ✓ You want room for eight more inputs later, without replacing the box

Look elsewhere if

  • × You need the best bus powered available

Best for value-focused buyers, complex setup builders, multi-person podcasts.

The alternative
Easiest Setup

At $199.00, the Mackie Onyx Artist 1x2 is the most expensive option and doesn't clearly outspec the cheaper alternatives. It leads in bus powered (Yes). Fewer ports and inputs — plug in and go.

  • + Better bus powered (Yes vs No)
  • × Fewer XLR inputs (1 vs 2)
  • × Fewer headphone outputs (1 vs 2)
  • × Weaker ADAT expansion (No vs Yes)

Also worth knowing

  • ✓ You want the stronger bus powered (Yes)
  • ✓ You want it to run off USB alone, with no power adapter to carry

Look elsewhere if

  • × You're on a tight budget — save $49.01 with a cheaper option
  • × You plan to record multiple microphones simultaneously
  • × You need the best headphone outputs available

Best for beginners.

Frequently Asked Questions

What is the main difference between Focusrite Scarlett 18i20 3rd Gen and Mackie Onyx Artist 1x2?

The clearest difference is ADAT expansion, which the Focusrite Scarlett 18i20 3rd Gen has and the Mackie Onyx Artist 1x2 does not. Across the catalog's specification sheet the two differ on 5 specs. They match on 7 specs, including connection type, operating system and sample rate. Two audio interfaces from Focusrite and Mackie, each taking a different approach to audio quality and I/O flexibility.

Which is better for streaming, Focusrite Scarlett 18i20 3rd Gen or Mackie Onyx Artist 1x2?

Get the Focusrite Scarlett 18i20 3rd Gen. The Focusrite Scarlett 18i20 3rd Gen wins Mic Inputs, Monitoring, Creator Features and Connectivity. It is also the cheaper of the two, by $49.01.

What do the Focusrite Scarlett 18i20 3rd Gen and Mackie Onyx Artist 1x2 have in common?

Both share 7 specifications in the catalog, including connection type (usb-c, xlr, trs), operating system (windows, macos), sample rate (192kHz) and bit depth (24-bit), among others. None of those is a reason to pick one over the other.

Is the Mackie Onyx Artist 1x2 worth the extra $49 over the Focusrite Scarlett 18i20 3rd Gen?

The Mackie Onyx Artist 1x2 costs $199.00 against $149.99, a difference of $49. The premium buys bus powered (Yes). Whether that is worth it depends on which of those you would actually use.

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