Best Audio Interfaces
15 products ranked across 99 cited reviews, videos and discussions · Updated 23 Sept 2026
On the stierproducts audio interfaces board, MOTU M2 ranks #1 in S tier, ahead of Focusrite Scarlett 2i2 4th Gen (#2, S tier) and RME Fireface 802 FS (#3, A tier). The board ranks 15 audio interfaces from S (best) to F (avoid), last researched 23 Sept 2026, drawing on 99 cited reviews, videos and discussions. Placed in the bottom tiers as ones to avoid: Focusrite Scarlett Solo 4th Gen, Universal Audio Apollo x8p Gen 2, Audient iD14 MkII, and 2 others.
Frequently asked questions
MOTU M2 sits at #1 in the S tier of our consolidated board, ranked across independent research runs over 99 cited reviews, videos and discussions. Identical driver pedigree and build philosophy in a two-channel body. Ranked below the M4 only because two channels obsolesce sooner.
Focusrite Scarlett 2i2 4th Gen ranks #2 (S tier). The mainstream default, and rightly so under this lens. Not the most durable brand here, but the support network and parts ubiquity are unmatched.
Our research places Focusrite Scarlett Solo 4th Gen, Universal Audio Apollo x8p Gen 2, Audient iD14 MkII, Universal Audio Apollo X4, Behringer UMC204HD in the bottom tiers (D/F). Focusrite Scarlett Solo 4th Gen: One preamp is a ceiling you hit fast, and the 2i2 4th Gen removes it for modestly more. Buy the Focusrite Scarlett 2i2 4th Gen instead.
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