Teenage Engineering adds lo-fi mode, USB audio, and more to its KO II sampler

The OS 2.5 update is one of its biggest yet. The OS 2.5 update is one of its biggest yet. Posts from this author will be added to your daily email digest and your homepage feed. Posts from this author will be added to your daily email digest and your homepage feed. Teenage Engineering has already issued multiple substantial updates for its surprisingly capable $329 EP-133 KO II sampler. Its latest is one of the biggest yet. OS 2.5 adds audio over USB, selectable sample rates for lo-fi fun, sample reverse, an arpeggiator, equal-length autochopping, and it extends the maximum length of a sample from 20 seconds to 40 seconds by capturing mono, instead of stereo, audio. Sample reverse is such a simple feature that it’s shocking it wasn’t implemented earlier. An arpeggiator doesn’t always make a ton of sense on a sampler, but the KO II sounds so incredible repitching samples (like the SK-1 successor I’ve always wanted) that here i

Jun 27, 2026 → Jun 27, 2026