Focusrite Scarlett 18i20 3rd Gen vs Audio-Technica AT-UMX3 Desktop Mixer
Focusrite Scarlett 18i20 3rd Gen vs Audio-Technica AT-UMX3 Desktop Mixer compared — specs, features, and which one to buy for your setup. See the full breakdown on CreatorConfig.
The Ruling
Focusrite Scarlett 18i20 3rd Gen or Audio-Technica AT-UMX3 Desktop Mixer? Get the Focusrite Scarlett 18i20 3rd Gen.
The Focusrite Scarlett 18i20 3rd Gen wins Audio Resolution, Mic Inputs and Monitoring. It is also the cheaper of the two, by $49.01.
Unless…
- You need power — get the Audio-Technica AT-UMX3 Desktop Mixer.
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.
| Category | Focusrite Scarlett 18i20 3rd Gen | Audio-Technica AT-UMX3 Desktop Mixer |
|---|---|---|
| Audio Resolution | 10/10 | 7.5/10 |
| Mic Inputs | 10/10 | 5/10 |
| Monitoring | 10/10 | 7.5/10 |
| Creator Features | 5/10 | 5/10 |
| Power | 0/10 | 10/10 |
| Value | 10/10 | 7.5/10 |
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), sample rate (192kHz, +144kHz), XLR inputs (2, +1) and headphone outputs (2, +1). It gives up loopback and bus powered to the Audio-Technica AT-UMX3 Desktop Mixer. It is the cheaper of the two, by $49.01.
Leads on
-
ADAT ExpansionYesNo
ADAT lets you add eight more inputs later instead of replacing the interface.
-
Sample Rate +144kHz192kHz48kHz
Higher sample rates capture more audio detail — important for professional recording and mixing.
-
XLR Inputs +121
More XLR inputs let you record multiple microphones simultaneously.
-
Headphone Outputs +121
A second headphone output lets a guest monitor without a splitter.
Audio-Technica AT-UMX3 Desktop Mixer
Compact desktop streaming mixer/interface with tactile controls for mic and monitor balancing.
On paper the Audio-Technica AT-UMX3 Desktop Mixer takes loopback (Yes) and bus powered (Yes). It gives up ADAT expansion and sample rate to the Focusrite Scarlett 18i20 3rd Gen. That costs $49.01 more than the Focusrite Scarlett 18i20 3rd Gen.
Leads on
-
LoopbackYesNo
Loopback routes computer audio back into the stream without a second interface or cable.
-
Bus PoweredYesNo
Bus power means the interface runs off USB alone — no wall adapter to carry or find a socket for.
Where they’re identical
These 5 specs are the same on both of them, so none of it is part of the decision.
- Connection Type usb-c, xlr, trs
- Bit Depth 24-bit
- Max Sample Rate 192kHz
- Phantom Power Yes
- Direct Monitoring Yes
The Record
19 specs, grouped by area
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.
Frequently Asked Questions
What is the main difference between Focusrite Scarlett 18i20 3rd Gen and Audio-Technica AT-UMX3 Desktop Mixer?
The clearest difference is loopback, which the Audio-Technica AT-UMX3 Desktop Mixer has and the Focusrite Scarlett 18i20 3rd Gen does not. Across the catalog's specification sheet the two differ on 6 specs. They match on 5 specs, including connection type, bit depth and max sample rate. Two audio interfaces from Focusrite and Audio-Technica, each taking a different approach to audio quality and I/O flexibility.
Which is better for streaming, Focusrite Scarlett 18i20 3rd Gen or Audio-Technica AT-UMX3 Desktop Mixer?
Get the Focusrite Scarlett 18i20 3rd Gen. The Focusrite Scarlett 18i20 3rd Gen wins Audio Resolution, Mic Inputs and Monitoring. It is also the cheaper of the two, by $49.01.
What do the Focusrite Scarlett 18i20 3rd Gen and Audio-Technica AT-UMX3 Desktop Mixer have in common?
Both share 5 specifications in the catalog, including connection type (usb-c, xlr, trs), bit depth (24-bit), max sample rate (192kHz) and phantom power (Yes), among others. None of those is a reason to pick one over the other.
Is the Audio-Technica AT-UMX3 Desktop Mixer worth the extra $49 over the Focusrite Scarlett 18i20 3rd Gen?
The Audio-Technica AT-UMX3 Desktop Mixer costs $199.00 against $149.99, a difference of $49. The premium buys loopback (Yes) and bus powered (Yes). Whether that is worth it depends on which of those you would actually use.