The Teenage Engineering PO-33 K.O! is a portable micro-sampler designed for audio recording and editing on the go. This compact device features a built-in microphone for direct sound capture without the need for external equipment, making it ideal for spontaneous sampling anywhere. With its line input capability, the sampler can record audio directly from instruments such as guitars, drum machines, or synthesizers, allowing for versatile sound processing. The integrated sequencer and built-in effects enable users to program and edit recorded samples, including adding delay or creating drum patterns. The battery-operated PO-33 K.O!, with its pocket-sized design of approximately 7.6 cm wide, 12.1 cm high, and 2.5 cm deep, weighing around 120 g, ensures complete portability for musicians and producers. Made from durable materials in a black finish, this sampler supports real-time audio processing and is suitable for various musical applications. The device requires 2 AAA batteries for operation and features 40 seconds of sample memory, divided into 8 melodic and 8 drum slots. The sample recording quality reaches 32 kHz with 8-bit resolution, providing adequate sound fidelity for creative projects. The PO-33 K.O! is a successor model in Teenage Engineering's Portable Operator series, maintaining the brand's focus on compact, functional design for electronic music production.