NEW – teenage engineering EP–133 K.O. II 128MB – the bestselling groovebox returns even stronger! The latest version of the cult K.O. II now features expanded memory up to 128 MB, allowing you to store even more samples, loops, and projects – perfect for modern live sets and quick sketches on the go.

Bestseller in a new version

The EP–133 K.O. II 128MB is a versatile music production tool combining sampler, sequencer, and complete groovebox functions in one compact housing. It's the perfect companion for work at home, in the studio, and on stage – from lo-fi beats and live performances to a sketchpad for ideas you can always carry with you.

What's new in the 128MB version

The biggest change in the new EP–133 version is the increased memory – now you have 128 MB at your disposal, which translates to significantly more samples and longer loops without the need for constant project cleanup. Plus, there are 999 sample slots, allowing you to prepare your own sound libraries, drum kits, and instruments for entire sets and projects.

• 128 MB memory for samples – more space for your sounds
• 999 sample slots and 9 user projects (each up to 80,000 notes)
• 4 pattern groups per project, each with 99 patterns and 12 tracks (samples + MIDI)
• Song mode with maximum length of up to 9,801 bars

Groovebox, sampler, and sequencer in one

The teenage engineering EP–133 K.O. II 128MB combines a powerful sampler with an advanced step sequencer. You can record sounds around you, sequence samples and loops, and then automate filters, pitch, volume, or effects – all without taking your hands off the instrument. The fast workflow lets you go from idea to finished track sketch in just a few minutes.

• 12 pads sensitive to pressure and velocity
• Multi-function fader with 12-parameter automation capability
• Resampling of patterns and individual sounds
• Stereo/mono sampling at 46.875 kHz / 16-bit
• Fully programmable sequencer: free mode or quantized with swing function

Knockout sequence – how to build beats

The K.O. II sequencer engine provides an intuitive way to build beats and arrangements. You have 4 groups x 12 patterns at your disposal, which you can freely switch like in a DAW – mix different combinations of drums, bass, and melodies until you find the perfect combination. The "approve" button lets you "freeze" a moment in time and move on – add a new verse, bridge, or breakdown.

• Variable pattern length per group (from 1 to 99 bars)
• Fast arrangement thanks to instant pattern approval
• Song mode for building complete tracks from existing patterns
• Note-triggered sidechain – smart pumping without external compressor

Put on your gloves – unlimited sampling

The EP–133 K.O. II encourages creative sampling. Use the factory-loaded collection of drums, basses, and keys, or record anything that catches your ear: your voice, favorite synths, vinyl records, or sounds from your phone. The resampling function lets you "run" the material through effects, filters, pitch, or compression and record the result as a new, ready-for-further-processing sample.

• Built-in microphone and speaker – ready to use right out of the box
• Automatic sample slicing or live slicing from pads
• Stereo input (24-bit, SNR 96 dBA) and stereo line/headphone output
• Support for multiple inputs, outputs, and sync modes

Modern technology, vintage vibe

The teenage engineering EP–133 K.O. II 128MB is equipped with characteristic vintage-style keys that gained a modern twist – classic buttons with pressure sensitivity. The whole is complemented by a unique high-resolution display that not only looks great but also clearly shows sequencer states, parameters, and animations during play.

• One-of-a-kind high-resolution display
• 32-bit floating-point signal chain, 24-bit ADC/DAC
• 6 built-in effects in send mode + master compressor
• 12 pressure-sensitive Punch-in 2.0™ effects

Connectivity, MIDI, and convenient sample tool

The K.O. II works great with other gear and computers. Thanks to the USB-C port, you can power the device and transfer samples via drag'n'drop using the convenient web tool EP sample tool. It also features MIDI input and output (TRS type A), pad assignment to 16 MIDI channels, and sync modes with other machines in your live setup.

• MIDI input and output (TRS type A), MMA standard compliant
• Input/output sync: 8 ppm, 16 ppm, 24 ppqn
• Sample drag'n'drop via USB-C and EP sample tool
• Pad assignment to any of 16 MIDI channels

Mobile beat-making powerhouse

Despite its extensive capabilities, the EP–133 K.O. II 128MB remains an ultra-mobile device. It runs on 4 AAA batteries with USB-C power option, weighs only about 620 g, and its compact dimensions (240 x 176 x 16 mm) make it easy to fit in a backpack alongside a laptop or other instruments.

• Power: 4 AAA batteries or USB-C
• Dimensions: 240 mm x 176 mm x 16 mm
• Weight: approx. 620 g

Ready to take up the gloves?

If you're looking for a groovebox that combines creative workflow, powerful sampling and sequencing capabilities, and mobility – the teenage engineering EP–133 K.O. II 128MB is exactly the device. From the first sketch to a finished track – everything you can do in one compact and incredibly inspiring box.