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The Allure of Pure Copper CODE 23 MK II is the purest expression of UP-OCC Pure Copper Litz — a single-material that delivers an unmistakably powerful sound signature. Like a finely tuned subwoofer, it dives deep into the low end with satisfying weight, laying a solid foundation that feels immersive, richly textured, and profoundly musical.
Immersive, Subwoofer-like Bass Harnessing the full character of copper, CODE 23 MK II delivers a low-end with depth and authority. Like a finely tuned subwoofer, it anchors the music with powerful, textured bass while maintaining a rich, immersive body across the spectrum.
