Some drum machines want a studio. The Teenage Engineering PO-12 Rhythm wants a hoodie pocket and two AAA cells. It is a calculator-sized beat box with real synth drums, sampled hits, a 16-step sequencer, and an animated LCD that looks like a sewing machine having a rave. Street price still hangs around $59, which is either a rounding error or a lifestyle.
Pocket Operators have been a cult since the mid-2010s, and the PO-12 remains the “start here” model: drums, not bass or factory leads. You tap 16 rubber pads, lock parameters, punch in effects, and chain patterns until the cafe side-eyes you. That is the product.
What $59 of naked circuit actually does
Teenage Engineering and retailer spec sheets agree on the toy-meets-instrument list:
- Sounds: 16 synthesized + sampled drums (kicks, snares, hats, the weird ones)
- Sequencer: 16 steps, 16 patterns, chain up to 16 patterns
- FX: 16 punch-in effects (delay, bit crusher, filters, and friends)
- Locks: parameter locks, auto compressor, hardware limiter, step multiplier, fill-ins
- I/O: 3.5mm in and out for jam sync with other POs, Volcas, click tracks, and the occasional iOS hack
- Power: 2x AAA (not in the box); TE quotes about a month of play and up to 2 years standby
- Extras that should not exist: folding wire stand, break-off hanger, alarm clock, Knowles speaker under the LCD
Inside the joke is serious hardware: Silabs EFM32 Gecko CPU, Cirrus Logic DAC, components parked under the display so the board can stay naked and cheap. The speaker cavity is the LCD’s basement. Soldering pads on the back let lunatics wire it to a bigger speaker. Optional silicone pro case (sold separately) adds grip and hides the “I bought a PCB with buttons” aesthetic.
The honest limits (they are part of the charm)
You cannot load your own samples. That is a PO-33 KO trick, not a PO-12 trick. Export means “record the 3.5mm out into something else.” Tempo presets are HIP HOP / DISCO / TECHNO with a fine knob from 60 to 240 BPM. Volume goes to 16; TE’s own guide says be careful above 5 on headphones, which is the most Swedish warning in audio.
It will auto power off after 5 minutes (60 if a cable is in the line-in). Patterns save. The alarm clock is real, which means you can be woken up by a 16-step cowbell. We consider this a feature.
If your beat habit already lives in software, we once cheered Fruity Loops hitting iPhone and iPad — same “make a loop with thumbs” energy, zero PCB. Hardware travelers got a Fusion Smart Guitar with a built-in looper, and the truly unhinged can still salute the pocket-sized Guitar Hero as the ancestor of “music toy that fits in a jacket.” The PO-12 sits in that pocket with better taste.
Who should buy a PO-12 Rhythm
Buy it if you want a drum teacher that fits next to your keys, a jam-sync buddy for other POs, or a $59 excuse to stop scrolling and tap a pattern. Skip it if you need user samples, MIDI USB, or a device that will not look like you stripped a calculator. Batteries are extra. The case is extra. The grin is not.
Buy: Teenage Engineering PO-12 Rhythm — about $59.