Supreme x teenage engineering EP-133 K.O. II
Supreme vs. Original

Original — teenage engineering
EP-133 K.O. II
About the original
The teenage engineering EP-133 K.O. II is a portable sampler and sequencer with 128 MB of internal sample memory, 999 sample slots, pressure- and velocity-sensitive pads, a built-in microphone and speaker, and 12 stereo voices with effects, fader-based punch-in, and a step sequencer. It runs on four AAA batteries or USB-C and weighs roughly 565 grams. teenage engineering was founded in Stockholm in 2005 by Jesper Kouthoofd, David Eriksson, Jens Rudberg, and David Mollerstedt, and built a following with the OP-1 synthesizer and Pocket Operator series. The EP-133, released in 2023, is the successor to the original Pocket Operator KO-33. The collab adds Supreme branding at a $99 markup over the standard $299 retail price.
About teenage engineering
teenage engineering is a Swedish electronics and design firm founded in 2007 in Stockholm by Jesper Kouthoofd, David Eriksson, Jens Rudberg, and David Mollerstedt. The company's debut product, the OP-1 portable synthesizer, launched in 2011 and combined a synthesizer, sampler, four-track recorder, and FM radio in an aluminum chassis the size of a paperback. Subsequent releases include the Pocket Operator series of credit-card-sized synths, the OP-Z sequencer, and industrial design work for IKEA, Panic's Playdate console, and Rabbit R1. Its products are in the MoMA permanent collection. Supreme's collaboration with teenage engineering produced a co-branded Pocket Operator.
Price comparison
All teenage engineering items · All Accessories · Spring/Summer 2026


