— From the community
Videos & links
49 videos and 41 articles, threads, tools and official pages that explain the K.O. II well, from teenage engineering’s own clips to the community’s best tutorials. Each one also appears beside the guide section it covers. Videos load from YouTube only when you press play.
Get started with the new EP-133, K.O.II by Teenage Engineering (Tutorial)
True Cuckoo
The most-watched K.O. II tutorial: a calm, chaptered tour from first power-on to jamming, covering nearly every core feature.
1. SCENES & PATTERNS // KO II teenage engineering // beginner tutorial
SON WU
Part 1 of SON WU’s beginner series: projects, scenes and patterns explained clearly before you start recording.
mr. update brings new updates for K.O. II, riddim & medieval!
teenage engineering
TE’s short announcement of OS 2.5 for K.O. II: USB audio, reverse playback, sample-rate choice, equal-length chop and new scales.
KOII just got ANOTHER UPDATE!
SON WU
Concise chaptered tour of OS 2.5: USB audio, sample rates, crop, equal chop, reverse, nudge, pad copy and scale mode.
how to use the EP sample tool
teenage engineering education
Two-minute official walkthrough of the EP sample tool: connecting, assigning, editing, importing and backing up.
K.O. II champions update OS 2.0
teenage engineering
TE’s own four-minute tour of OS 2.0: resampling a chord, hands-free sampling, song mode and sidechain, each shown on the device.
Teenage engineering KO II EP-133 - Deep dive tutorial guide
XNB
A 100-minute deep dive with chapters for every mode; ideal as a reference to jump into a single topic.
midnight operations, ep 23 - EP updates with johan + guests
teenage engineering
TE livestream where developer Johan talks through the 2.5 update; also showcases the community EP-PatchStudio tool.
EP sample tool - backup and restore projects
teenage engineering education
Official one-minute guide to backing up and restoring single projects or everything with the sample tool.
EP–133 K.O. II - controlling external devices over midi
teenage engineering education
Official clip showing where each pad’s MIDI settings live so the K.O. II can play external synths.
how to use the teenage engineering update utility
teenage engineering education
Forty-second official demo of updating firmware with TE’s browser update utility.
K.O.–SIDEKICK
teenage engineering
TE’s launch film for the K.O.–SIDEKICK, a companion mixer and FX box designed around the K.O. II.
EP-133 K.O. II Sampler Composer | First Beat Tutorial | teenage engineering
Sound Technology Ltd
Builds a complete beat in under nine minutes, touching step entry, note repeat, keys, punch-in FX and sampling.
Teenage Engineering K.O. II EP-133 - Before You Buy // Review
The Midlife Synthesist
Balanced five-pros, five-cons review for anyone still deciding whether the K.O. II fits their setup.
Teenage Engineering EP 133 K.O II REVIEW – Does this $299 sampler live up to the HYPE?!
BoBeats
Launch-era review with demos of sampling synths, chopping and playing it from a MIDI keyboard; predates song mode.
2. SOUND & EDITING // KO II teenage engineering // beginner tutorial
SON WU
Part 2: selecting sounds and editing them in Sound Edit, including time-stretch.
3. FADER & GROUPS // KO II teenage engineering // beginner tutorial
SON WU
Part 3: demonstrates every fader assignment by ear, plus how groups and recorded fader moves work.
4. SAMPLING & CHOPPING // KO II teenage engineering // beginner tutorial
SON WU
Part 4: recording samples and chopping them across pads.
5. SEQUENCER // KO II teenage engineering // beginner tutorial
SON WU
Part 5: live and step recording, quantise and pattern basics.
6. FX & COMPRESSOR // KO II teenage engineering // beginner tutorial
SON WU
Part 6: each master effect, how the fader send behaves like dry/wet, recording send moves, and the master compressor.
7. COPY, PASTE & ERASE // KO II teenage engineering // beginner tutorial
SON WU
Part 7: the copy, paste and erase shortcuts that make pattern work fast.
REALLY LEARN K.O. II with DIAGRAMS - Tutorial on Sounds, Groups, Scenes, Patterns & Projects
Rochefsky
Uses diagrams to untangle how sounds, groups, patterns, scenes and projects nest inside each other.
EP-133 K.O. II hip hop Sampling Master Class
Ave Mcree
Hip-hop sampling masterclass: manual and auto chop, beat-matching a break and time-stretching.
Why the EP-133 is Special!
Ricky Tinez
Shows a full sample-everything workflow, from piano chords to synth bass and vocals, with honest gotchas.
KO II Resampling Tactics
Jay Maculate
Practical resampling: baking filters, send FX and punch-ins into kicks, snares and bass to save effect slots.
Baking in PUNCH-IN FX using resampling on KO2
ManCalledMif
Short demo of printing punch-in FX into a new sample via OS 2.0 resampling, with notes on the time limit.
KOII gets a MASSIVE UPDATE! // RE-SAMPLING, SONG-MODE & more…
SON WU
Thorough chaptered walkthrough of everything OS 2.0 added, from resampling and song mode to MIDI changes.
Teenage Engineering KO II 2.0 update Guide Tutorial
XNB
Hands-on guide to the four big OS 2.0 features: resample, song mode, sidechain and the new intervals.
The EP-133 KO II 2.5 UPDATE Made It 100% COMPLETE
Bass Robotics™
Another OS 2.5 walkthrough, with a sample-rate listening test and a look at the arpeggiator.
K.O.II firmware update FINALLY adds reverse and crop sampling
Cage Unlimited
Focuses on OS 2.5’s reverse, crop and new time-stretch, plus the key/scale shortcut and arpeggiator.
Teenage Engineering OS 2.5: USB Audio Changes Everything!
Backpack Jam
Explains what OS 2.5’s USB audio means in practice for recording, streaming and sampling from a phone or computer.
Sequencing a Beat OFF the Grid on the EP-133 KO II (+ Precise editing tips)
windowbed (James)
Loosening a quantised beat with timing and swing, then editing notes precisely; good for the sequencer chapter.
Tips on using the EP-133 as a Straight up DRUM MACHINE
Liam Killen
Approaches the K.O. II purely as a drum machine, including how to think about layering sounds.
Chord shapes & chord progressions on the EP-133 K.O. II (Music Theory Part 1)
windowbed (James)
Music-theory primer mapped to the K.O. II pad layout: chord shapes, inversions and progressions in keys mode.
Helpful EP-133 K.O. II Tips & Tricks: extending samples, transposing notes, resetting knobs & more
windowbed (James)
Handy tips: resetting knobs, time-stretching via Sound Edit vs the TIME fader, playing triads and transposing a part.
EP-133 K.O. II Tips 5: Time Stretching (stretch to 3, 8, or 16 bars; troubleshoot chopping & more)
windowbed (James)
Everything about time-stretching to exact bar lengths, and the problems it causes with chops and external clock.
EP-133 KO II Tips and Tricks
Mo chreach!
Grab-bag of practical tips: USB power, system shortcuts, scale/key, lock mode, tempo nudge, soloing and MIDI out.
How to make better beats on the EP Series
Noisegate
Ten workflow tips for the EP series, such as quick FX switching, scene-building and using resampling to beat voice stealing.
LEARN The EP-133 KO2’s SONG MODE, Patterns, and Scenes Once and For All 👀
Bass Robotics™
Clears up the patterns-vs-scenes-vs-song-mode confusion, then builds a song arrangement.
EP-133 K.O. II – From Empty Project to Finished Track | Step-by-Step
LuanaBB
Builds a full track from an empty project, intro to drop, and arranges it in song mode.
Teenage Engineering EP-133 KO ii - How to MIDI Sync with the Roland S1 & MiniLab 3 from Scratch
The Sound Test Room
Step-by-step MIDI sync with a Roland S-1 and an Arturia MiniLab 3, from cables to settings.
Using the MIDI Mode of KO II EP-133 - Tutorial Guide
XNB
Covers MIDI from a controller, to a DAW and out to a synth.
Tutorial: syncing the EP-133 KO II & OP-Z over MIDI (USB & TRS/3.5mm)
windowbed (James)
Compares USB and TRS MIDI and shows clock sync in both directions with an OP-Z.
EP-133 KO II Midi Sync Out Explained | Exporting Your Beat Projects To The Ableton DAW Step By Step.
Bass Robotics™
Tracking a K.O. II beat into Ableton over MIDI sync, a way to get finished ideas off the device.
The sample tool KO II EP-133 - Deep dive tutorial guide
XNB
Short tour of the EP sample tool’s library, pad assignment and sample editing view.
EP-133 K.O.II Update, Restore, & Backup
DECIMA1
Quick guide to local backup, restoring factory sounds and restoring a backup.
I built an iOS app for Teenage Engineering’s EP-133, EP-40, and EP-1320 samplers
Bad Bad Power | Best Friend for K.O. II creator
The developer of the third-party Best Friend app (iOS/Android) shows sample management, stems and backups.
This EP-133 KO II Tool Exports Projects In 5 Seconds
Bass Robotics™
Demo of Phones24’s EP-133 export-to-DAW tool for pulling projects off the device quickly.
Nevermind... Why I Changed my Mind Playing Live with the EP-133
Ricky Tinez
Launch-era look at live-performance limits such as pattern changes, project swaps and FX sends, with workarounds.
Official teenage engineering
- EP–133 K.O. II online user guideteenage engineering — The official manual, kept current with each OS release; the reference every other link here builds on.
- EP–133 guide: what’s new (OS release notes)teenage engineering — Full feature-by-feature release notes for OS 2.0 through 2.5, including small shortcuts that never made it into videos.
- EP–133 OS updates (version history)teenage engineering — Every OS version with its release date and change list back to 1.1.0, plus links to the browser updater.
- teenage engineering update utilityteenage engineering — Browser-based firmware updater: plug in over USB-C and update without installing anything.
- EP sample toolteenage engineering — TE’s web app for dragging samples on and off the device, renaming them, and backing up or restoring projects.
- EP–133 K.O. II product pageteenage engineering — Product overview with specs; the current model ships with 128 MB of sample memory.
- EP–133 guide: how toteenage engineering — Short recipes from TE: velocity sensitivity, scale changes, syncing with POs and drum machines, resampling a chord, sampling over USB audio.
- EP–133 guide: effectsteenage engineering — What each master effect’s knobs do, plus the output compressor, punch-in FX and the note-triggered sidechain.
- EP–133 guide: system (MIDI reference, note map, CC map)teenage engineering — MIDI reference, note map, CC map, lock mode and error codes; the page to keep open when wiring the K.O. II to other gear.
- K.O. II OS 2.5 press release (24 June 2026)teenage engineering · 2026-06 — TE’s own summary of the summer 2026 update: class-compliant USB audio, reverse, new scales and arpeggiator, MIDI additions.
- EP–133 K.O. II OS 2.0 press release (April 2025)teenage engineering · 2025-04 — TE’s one-page pitch for the Champions update: resampling, song mode, sidechain, more voices, hands-free sampling.
- EP–133 K.O. II playlist (teenage engineering education)teenage engineering education — TE’s education channel playlist for the K.O. II; short how-to clips rather than a full tutorial series.
- EP sample tool playlist (teenage engineering education)teenage engineering education — TE’s two short sample-tool walkthroughs in one place.
- EP–136 K.O.–SIDEKICK product pageteenage engineering — TE’s 2026 companion box for the K.O. II: a mixer, effect unit and 2-bar FX sequencer for live remixing.
Articles & reviews
- Teenage Engineering EP-133 KO II (review)Sound On Sound (Simon Sherbourne) · 2024-02 — Detailed launch-era review; good on how groups, sends and sampling fit together and where the limits were before OS 2.0.
- Teenage Engineering EP-133 K.O. II reviewMusicRadar (Si Truss) · 2024-01 — Rated 3.9/5 at launch; praises the sampling workflow, criticises shallow editing and unrecordable punch-ins.
- Teenage Engineering EP-133 K.O. II Review: Better than an MPC?Gearnews · 2024-04 — Long hands-on review (4/5) that also covers the early fader-packaging issue and how TE addressed it.
- Teenage Engineering’s EP-133 K.O. II: sampler-sequencer, $299CDM (Peter Kirn) · 2023-11 — Launch-day write-up from CDM.
- Teenage Engineering releases "knockout" EP-133 K.O. II sampler and composerMusicTech · 2023-11 — Launch news covering the original specs and price.
- Teenage Engineering’s EP-133 K.O.II just got its first major OS update – here’s what’s newMusicTech · 2025-04 — Readable rundown of the OS 2.0 Champions update.
- teenage engineering EP-133 K.O. II 2.5: new firmware adds USB Audio, reverse, and moreSynth Anatomy · 2026-06 — News write-up of OS 2.5 published on release day.
- Summer Update for PO KO IISonic State · 2026-06 — Brief owner’s take on OS 2.5 with the feature list.
- teenage engineering EP-133 K.O. II: new version with 128 MB memorySynth Anatomy · 2026-01 — Reports the switch to a 128 MB model as standard, replacing the original 64 MB unit.
- Teenage Engineering’s knockout portable sampler is my next musical obsessionTechRadar (Leon Poultney) · 2023-11 — Early hands-on impressions from a general tech outlet, published the day after launch.
- Teenage Engineering EP-133 K.O. II Review! The best affordable sampler by far!SINESQUARES · 2024-04 — Enthusiastic long-form hands-on review.
- EP-133 K.O. II (KO2) Cheat Sheet and Shortcut GuideJoseph Harrington (community) — Searchable, printable, offline-capable shortcut reference updated for OS 2.5; open source on GitHub.
- KO II EP-133 cheatsheetSpongefile (Tina Aspiala) · 2024-09 — One-page printable cheat sheet, updated for OS 2.0, widely shared on the forums.
- How the EP series fader worksSpongefile (Tina Aspiala) · 2025-11 — Diagrams explaining erase-fader vs reset-fader and the virtual fader position per group.
- EP-PatchStudio: sample manager for EP-133, EP-40 and EP-1320Squarewave Studio — Third-party sample editor (free tier) with paid backup and auto-sampling features; featured on TE’s own livestream.
- EP133: Export to DAW (GitHub)Phones24 (community) — Community tool on GitHub that exports K.O. II projects for use in a DAW; still being updated in 2026.
- ep-series-sysex (GitHub)kmorrill (community) — Unofficial documentation and tooling for the EP-133/EP-40 SysEx protocol; the basis for several new community apps.
- Best Friend for K.O. II (App Store)Bad Bad Power (third-party) — Third-party mobile app for managing samples, backups and stems on EP-series devices.
Forum threads
- EP-133 Tips and TricksElektronauts · 2023-11 — The best single forum thread for K.O. II tricks; nearly 300 posts of shortcuts and workarounds, many beyond the manual.
- Teenage Engineering EP-133 K.O. IIElektronauts — The main long-running discussion thread, from launch through every OS update.
- EP-133 categoryOP Forums — OP Forums’ dedicated EP-133 section; new tools and OS discussions appear here first.
- KO-2 OS 2.0 released todayOP Forums · 2025-04 — Owner reactions on release day of OS 2.0.
- USB in and out on the EP 2026 2.5 and 1.5 updatesOP Forums · 2026-06 — Explains the system setting needed to monitor USB audio input after OS 2.5.
- EP-133 K.O. II Applied Music TheoryOP Forums — Written companion to windowbed’s theory videos: chords and scales on the 12-pad grid.
- Opening up the EP series for third-party developmentOP Forums · 2026-07 — Announcement and discussion of the open-source SysEx tooling, plus the Padwork browser app built on it.
- r/teenageengineeringReddit — The large general TE subreddit; frequent K.O. II questions and OS update threads.
- r/EP133Reddit — Community subreddit for EP-133 owners.