Teenage Engineering PO-33 K.O! – pocket-sized lo-fi sampler

The Teenage Engineering PO-33 K.O! is a compact sampler from the Pocket Operator series, designed to let you create music anywhere. This portable device combines studio-quality sound, simplicity, and signature lo-fi character. With its built-in microphone and line input, you can record your own samples, edit them, and turn them into complete tracks.

Key features

• Built-in microphone for real-time sampling
• 8 melodic sample slots
• 8 drum slots
• Up to 40 seconds of sample memory
• 16 built-in effects
• Step multiplier for advanced sequencing
• Compact, lightweight design for portable creativity

Unlimited creativity

Sampling is one of the most exciting techniques in music production. With the PO-33 K.O!, you can capture, edit, and manipulate samples on the go – whether in the studio, on stage, or traveling. The Jam Sync function lets you connect it with other Pocket Operators, creating a modular and expandable setup in a pocket-sized format.

Applications

• Creating lo-fi and hip-hop beats
• Sampling instruments, vocals, and environmental sounds
• Live performance and jam sessions
• Experimental sound design in electronic music
• Portable and home studio music production

Technical specifications

• Type: lo-fi sampler
• Memory: up to 40 seconds of samples
• Sample slots: 8 melodic + 8 drum
• Effects: 16
• Inputs: built-in microphone, line input
• I/O: 3.5 mm stereo mini jack
• Power: 2 x AAA batteries (up to 1 month runtime)
• Display: animated LCD
• Dimensions: 60 × 105 × 10 mm
• Weight: approx. 90 g (with batteries)

Design and build

Like all Pocket Operators, the PO-33 K.O! features a minimalist open PCB design. Lightweight yet sturdy, it is built for mobile musicians who want to record and shape samples anywhere. Its animated LCD display adds a playful, visual element to the music-making process.

Included in the box

• Teenage Engineering PO-33 K.O! – lo-fi sampler
• 2 x AAA batteries
• Quick start guide

Summary

The Teenage Engineering PO-33 K.O! is a portable lo-fi sampler that opens the door to creative sampling. With intuitive controls, 16 effects, and 40 seconds of memory, it’s a versatile tool for beginners and professionals alike. Whether at home, on stage, or on the move – the PO-33 K.O! delivers endless inspiration in a pocket-sized package.