EVO 4x4 USB-C Audio Interface vs SSL 2+ USB Audio Interface

EVO 4x4 USB-C Audio Interface vs SSL 2+ USB Audio Interface compared — specs, features, and which one to buy for your setup. See the full breakdown on CreatorConfig.

EVO 4x4 USB-C Audio Interface
Evo
EVO 4x4 USB-C Audio Interface
$199
SSL 2+ USB Audio Interface
SSL
SSL 2+ USB Audio Interface
$199

The Ruling

EVO 4x4 USB-C Audio Interface or SSL 2+ USB Audio Interface? Get the EVO 4x4 USB-C Audio Interface, narrowly.

The EVO 4x4 USB-C Audio Interface wins Creator Features — but only just, and the rest of the chart is close.

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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.

CategoryEVO 4x4 USB-C Audio InterfaceSSL 2+ USB Audio Interface
Audio Resolution10/1010/10
Preamps9.7/109.9/10
Mic Inputs10/1010/10
Monitoring10/1010/10
Creator Features10/105/10
Connectivity10/1010/10

The Split

What each one wins

EVO 4x4 USB-C Audio Interface

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

On paper the EVO 4x4 USB-C Audio Interface takes loopback (Yes) and dynamic range (113dB, +2.5dB). It gives up preamp gain to the SSL 2+ USB Audio Interface. The two are priced the same, so price does not decide it.

Leads on

  • Loopback
    Yes
    No

    Loopback routes computer audio back into the stream without a second interface or cable.

  • Dynamic Range +2.5dB
    113dB
    110.5dB

    Wider converter dynamic range means less noise between the quietest and loudest parts of a take.

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 preamp gain (62dB, +4dB). It gives up loopback and dynamic range to the EVO 4x4 USB-C Audio Interface. The two are priced the same, so price does not decide it.

Leads on

  • Preamp Gain +4dB
    62dB
    58dB

    More gain drives quiet dynamic microphones like the SM7B without a separate booster.

Where they’re identical

These 11 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
  • ADAT Expansion No
  • Bus Powered Yes
  • TRS Outputs 4

The Record

19 specs, grouped by area

Full specification comparison of EVO 4x4 USB-C Audio Interface and SSL 2+ USB Audio Interface, grouped by area.
Specification
Evo
EVO 4x4 USB-C Audio Interface
SSL
SSL 2+ USB Audio Interface
Audio ResolutionEven
Sample Rate192kHz192kHz
Max Sample Rateno datano data
Bit Depth24-bit24-bit
PreampsEven
Preamp Gain58dB✓ 62dB
Dynamic Range✓ 113dB110.5dB
Mic InputsEven
XLR Inputs22
MonitoringEven
Headphone Outputs22
Direct MonitoringYesYes
Creator FeaturesEVO 4x4 USB-C Audio Interface
Loopback✓ YesNo
ADAT ExpansionNoNo
MIDI I/ONoneIn/Out
Bundled Softwareno datano data
ConnectivityEven
TRS Outputs44
Connection Typeusb-c, xlr, trsusb-c, xlr, trs
PowerEven
Bus PoweredYesYes
Phantom PowerYesYes
BuildNot enough data
Dimensionsno datano data
Weightno datano data
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 EVO 4x4 USB-C Audio Interface 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

The EVO 4x4 USB-C Audio Interface is priced at $199.00. It leads in dynamic range (113dB) and loopback (Yes). Offers the most spec advantages per dollar in this comparison.

  • + Better dynamic range (113dB vs 110.5dB)
  • + Better loopback (Yes vs No)
  • × Weaker preamp gain (58dB vs 62dB)

Also worth knowing

  • ✓ You want the stronger dynamic range (113dB)
  • ✓ You want the stronger loopback (Yes)
  • ✓ You want to capture computer audio without a second interface

Look elsewhere if

  • × You need the best preamp gain available

Best for value-focused buyers.

The alternative
Solid Alternative

The SSL 2+ USB Audio Interface is priced at $199.00. It leads in preamp gain (62dB). A capable option with its own strengths.

  • + Better preamp gain (62dB vs 58dB)
  • × Weaker dynamic range (110.5dB vs 113dB)
  • × Weaker loopback (No vs Yes)

Also worth knowing

  • ✓ You want the stronger preamp gain (62dB)
  • ✓ You have MIDI gear to plug in without a separate adapter

Look elsewhere if

  • × You need the best dynamic range available
  • × You need the best loopback available

Best for open to alternatives.

Frequently Asked Questions

What is the main difference between EVO 4x4 USB-C Audio Interface and SSL 2+ USB Audio Interface?

The clearest difference is loopback, which the EVO 4x4 USB-C Audio Interface has and the SSL 2+ USB Audio Interface does not. Across the catalog's specification sheet the two differ on 3 specs. They match on 11 specs, including connection type, operating system and sample rate. Two audio interfaces from Evo and SSL, each taking a different approach to audio quality and I/O flexibility.

Which is better for streaming, EVO 4x4 USB-C Audio Interface or SSL 2+ USB Audio Interface?

Get the EVO 4x4 USB-C Audio Interface, narrowly. The EVO 4x4 USB-C Audio Interface wins Creator Features — but only just, and the rest of the chart is close.

What do the EVO 4x4 USB-C Audio Interface and SSL 2+ USB Audio Interface have in common?

Both share 11 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.

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