Teenage Engineering’s KO Sidekick is a mixer with fun performance effects

The EP-136 KO Sidekick sandwiched between two KO-II samplers. | Image: Teenage Engineering The EP-136 KO Sidekick is Teenage Engineering's stylish new two-channel mixer, clearly designed to connect two of its KO-II samplers for live performances and DJ sets. Though, it can connect any two audio sources, not just TE gear.