About this gear
The Caldera Open is ZMF's flagship open-back planar magnetic headphone, meticulously hand-crafted from exotic hardwoods in Chicago. ZMF's house sound brings warmth and musicality to planar magnetic drivers, countering the typical analytical presentation with organic, engaging tonality. Each pair represents boutique American craftsmanship at its finest, combining stunning visual aesthetics with serious audiophile performance.
About ZMF Headphones

Boutique American headphone maker founded by Zach Mehrbach in Chicago. ZMF Headphones are hand-crafted from exotic hardwoods — walnut, cherry, padauk, cocobolo — making each pair a unique work of art. Known for lush, warm, euphonic sound signatures that pair beautifully with tube amplifiers. The Cal...
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