SSL 2+.
Solid State Logic's Legacy 4K button adds the signature SSL high-end sheen and low-end punch to any source.
The Verdict.
Gavler Meta-Score
“The SSL 2+ is the interface for producers who want analog character from the tracking stage, not just in the mix. The Legacy 4K button adds genuine SSL console DNA to your recordings — not a plugin approximation, but an actual analog circuit. At $299, it is the most affordable way to get the SSL sound into your signal chain.”
The Gavler Verdict
Precision Engineering
Legacy 4K Button
Analog circuit modeled after the SSL 4000E console adds signature high-end sheen and low-end punch to any source.
SuperAnalogue Preamps
Two microphone preamps with 62dB gain deliver clean, transparent capture — add SSL character with the 4K button when desired.
MIDI I/O
Built-in MIDI input and output for hardware synthesizer and drum machine connectivity — uncommon at this price.
Technical Specifications
The Scoreboard
Experts value the Legacy 4K character and SSL pedigree. Community notes the preamps are transparent without 4K engaged, and the software bundle is excellent. Some prefer the MOTU M2's monitoring quality.
Cast Your Vote
Do you think SSL 2+ deserves the #5 spot in Best Audio Interfaces?
Best Price Availability.
Prices checked April 2026
Global Critique
“The Legacy 4K button is the real deal — not a digital approximation. SSL's console DNA in a $299 interface.”
“SSL brings genuine analog character to the entry-level interface market. The 2+ sounds like a console, not a box.”
“The SSL software bundle alone is worth half the interface price. Outstanding value from a legendary brand.”
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