Teenage Engineering EP-133 K.O. II (128 MB) – Portable Sampler, Sequencer & Composer

The Teenage Engineering EP-133 K.O. II is a compact yet powerful sampler and sequencer designed to take ideas from capture to finished track at lightning speed. With expanded 128MB sample memory, hands-on pressure-sensitive pads, punch-in effects, and a fast, flexible sequencer, the EP-133 K.O. II delivers serious production power in a highly portable format—available at Soundium.

Key Features

• All-in-one sampler and sequencer: Record, resample, sequence, and arrange complete tracks without a computer
• Increased 128MB sample storage: Store up to 999 samples with room for full projects
• Pressure-sensitive pads and fader: Expressive performance control with velocity and pressure response
• Punch-in FX 2.0: 12 pressure-sensitive effects for live performance and beat construction
• Built-in microphone and speaker: Capture sounds instantly and sketch ideas anywhere
• Advanced sequencing engine: High-resolution sequencer with swing, variable pattern lengths, and song mode
• Flexible connectivity: Stereo I/O, MIDI I/O, Sync I/O, and USB-C for modern hybrid setups
• Portable power options: Runs on 4× AAA batteries or USB-C power

New in OS 2.5 (free firmware update)

Teenage Engineering's free OS 2.5 firmware adds major new features to the EP-133 K.O. II — no new hardware required:

• USB audio in & out: use it as a class-compliant USB-C audio interface with a computer or phone
• Built-in arpeggiator with new Blues, Harmonic Minor and Melodic Minor scales
• Reverse sampling: play any sample backwards
• Selectable recording sample rate (Lo / Mid / Hi)
• Mono recording up to 40 seconds
• Equal-length auto chop for precise loop and vocal slicing

Customer Benefits

The EP-133 K.O. II is built for fast, intuitive music creation. Its hands-on workflow allows producers, beatmakers, and performers to sample, arrange, and manipulate sounds in real time without menu diving. With powerful resampling, punch-in effects, and deep sequencing tools, it encourages experimentation while remaining portable enough to take anywhere.

Quick Specs

• Type: Sampler / Sequencer / Composer
• Sampling resolution: 46.875 kHz / 16-bit
• Internal signal chain: 32-bit float
• Polyphony: 12 stereo voices / 16 mono voices
• Sample memory: 128 MB
• Effects: 6 master FX, 12 punch-in FX
• Power: 4× AAA batteries or USB-C
• Dimensions: 240 × 176 × 16 mm
• Weight: 620 g

In the Box

• Teenage Engineering EP-133 K.O. II (128 MB)
• Redesigned paper-pulp carrying box

Use Cases / Ideal For

Ideal for beatmaking, sampling, songwriting, live performance, mobile music creation, and hybrid hardware setups.

Compatibility

Compatible with MIDI hardware, sync-based devices, DAWs via USB-C, and external audio gear through stereo line I/O.

Pros & Cons

✅ Pros:

• Fast, hands-on workflow with deep sequencing power
• Portable design with battery operation
• Expressive punch-in effects and pressure-sensitive pads
• Expanded sample memory for larger projects

⚠️ Cons:

• No built-in screen for detailed visual editing
• Limited polyphony compared to large studio samplers

The Teenage Engineering EP-133 K.O. II combines portability, creativity, and serious production power into a compact sampler built for modern music makers—available at Soundium.