Circle Labs is a Polish high-end audio manufacturer known for its innovative hybrid amplification technology and minimalist industrial design. Founded by Krzysztof Wilczyński and Krzysztof Lichoń, the brand combines tube warmth with solid-state precision to deliver emotionally engaging sound and exceptional build quality. Their acclaimed amplifiers, like the A200 and P300/M200, reflect a deep commitment to musicality, craftsmanship, and engineering excellence.