Focusrite Scarlett 18i20 3rd Gen vs SSL 2+ USB Audio Interface
Focusrite Scarlett 18i20 3rd Gen vs SSL 2+ USB Audio Interface 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 SSL 2+ USB Audio Interface? Get the Focusrite Scarlett 18i20 3rd Gen.
The Focusrite Scarlett 18i20 3rd Gen wins Creator Features and Connectivity. It is also the cheaper of the two, by $49.01.
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 | SSL 2+ USB Audio Interface |
|---|---|---|
| Audio Resolution | 10/10 | 10/10 |
| Preamps | 9.7/10 | 10/10 |
| Mic Inputs | 10/10 | 10/10 |
| Monitoring | 10/10 | 10/10 |
| Creator Features | 10/10 | 5/10 |
| Connectivity | 10/10 | 4/10 |
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) and TRS outputs (10, +6). It gives up bus powered and preamp gain to the SSL 2+ USB Audio Interface. 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.
-
TRS Outputs +6104
More TRS outputs allow routing to studio monitors and outboard gear.
SSL 2+ USB Audio Interface
Desktop audio interface intended for creator workflows, microphone input, monitoring, and clean signal routing.
On paper the SSL 2+ USB Audio Interface takes bus powered (Yes) and preamp gain (62dB, +2dB). 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 PoweredYesNo
Bus power means the interface runs off USB alone — no wall adapter to carry or find a socket for.
-
Preamp Gain +2dB62dB60dB
More gain drives quiet dynamic microphones like the SM7B without a separate booster.
Where they’re identical
These 10 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
- XLR Inputs 2
- Headphone Outputs 2
- Direct Monitoring Yes
- Loopback No
- MIDI I/O In/Out
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 SSL 2+ USB Audio Interface?
The clearest difference is ADAT expansion, which the Focusrite Scarlett 18i20 3rd Gen has and the SSL 2+ USB Audio Interface does not. Across the catalog's specification sheet the two differ on 4 specs. They match on 10 specs, including connection type, operating system and sample rate. Two audio interfaces from Focusrite and SSL, each taking a different approach to audio quality and I/O flexibility.
Which is better for streaming, Focusrite Scarlett 18i20 3rd Gen or SSL 2+ USB Audio Interface?
Get the Focusrite Scarlett 18i20 3rd Gen. The Focusrite Scarlett 18i20 3rd Gen wins Creator Features and Connectivity. It is also the cheaper of the two, by $49.01.
What do the Focusrite Scarlett 18i20 3rd Gen and SSL 2+ USB Audio Interface have in common?
Both share 10 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 SSL 2+ USB Audio Interface worth the extra $49 over the Focusrite Scarlett 18i20 3rd Gen?
The SSL 2+ USB Audio Interface costs $199.00 against $149.99, a difference of $49. The premium buys bus powered (Yes) and preamp gain (62dB). Whether that is worth it depends on which of those you would actually use.