Teenage Engineering EP-133 K.O. II – Versatile Sampler & Workstation

The EP-133 K.O. II is made for beat-makers, live performers, and anyone who wants powerful sampling, sequencing, and creative control in a compact unit. With built-in mic, speaker, 999 sample slots, and lots of hands-on effects and automation, it speeds you from idea to track. Soundium delivers this workstation to help you unlock your full creative flow.

Key Features

• 12 stereo / 16 mono-voice polyphony: Lets you layer complex samples or dual-voice chords without running out of voices.
• 999 sample slots & 64 MB memory: Store large libraries of samples and switch between them fast.
• Built-in mic, speaker, line-in/out, MIDI, sync & USB-C: Record anywhere and connect to your rig or DAW seamlessly.
• Punch-in FX 2.0 + 6 master FX and 12 punch-in effects: Real-time effects shaping for performance or detailed studio work.
• Pressure- and velocity-sensitive pads, multifunctional fader: Dynamic control and expressive performance possibilities.
• Resampling, song mode, side-chain support: OS 2.0 features give you more creative performance tools — e.g. chaining scenes, groove side-chaining, and resample patterns on the fly.

Customer Benefits

With the K.O. II you can sketch ideas anywhere, build full tracks live, and tweak sounds on the fly. The variety of FX and ability to automate parameters makes performance and studio work more musical and fluid. Being battery-powered or USB-C powered gives portability, while features like song mode and improved polyphony let you expand into more ambitious compositions. Soundium supports your growth with gear that adapts to your ambition.

Quick Specs

• Sampling frequency: 46 kHz / 16-bit
• Internal signal chain: 32-bit float
• Polyphony: 12 stereo voices, 16 mono voices
• Sample slots: 999 slots, 64 MB of sample memory
• Audio I/O: Stereo line input/out 3.5 mm, built-in mic and speaker
• MIDI & Sync: MIDI in/out, sync in/out (supports 8th, 16th note, Sync24), USB-C for MIDI and power
• FX: 6 master send FX + master compressor, 12 punch-in effects
• Pads & Controls: 12 pressure-and-velocity sensitive sample pads, multifunctional fader, hands-free sampling mode
• Power: 4 × AAA batteries, or via USB-C
• Dimensions: 240 × 176 × 16 cm
• Weight: 620 g

What’s in the Box

• EP-133 K.O. II sampler/workstation
• USB-C cable
• Quick start guide and safety info
  

Use Cases / Ideal For

Ideal for producers traveling or performing live, electronic musicians sketching beats, sample-based composers, or anyone wanting to build full tracks with a portable, powerful device. Also great for workshops and live shows where you want one instrument to handle sequencing, effects, and performance control.

Compatibility

Works with standard audio gear via 3.5 mm line-in/out, connects to MIDI gear via MIDI in/out, and syncs with other equipment via sync in/out. USB-C allows for sample transfer, firmware updates, and power. Batteries make it usable on-the-go without needing external power.

Pros & Cons

✅ Pros:

• Very capable sampler + workstation with performance-grade features.
• Portability thanks to battery power and built-in speaker/mic.
• OS 2.0 brings improvements like song mode and side-chain for more creative workflow.
• Expressive pads and fader for live control and automation.

⚠️ Cons:

• Batteries may drain fast under heavy use of speaker or effects.
• Sample memory, while generous, may still be limiting for very long or high-res sample sets.
• Built-in speaker useful for previewing, but not a substitute for proper monitoring in serious mixing situations.

The Teenage Engineering EP-133 K.O. II combines sampling, effects, sequencing, and performance in one sleek, portable unit. If you’re making music on the go or building complex patterns live, this is a powerful instrument to grow with—Soundium delivers tools that follow your pace and creativity.