12 Most Expensive IEMs & Earphones in the World - Headphonesty
2021-9-3u2002·u2002Predominantly known for high quality bespoke in-ear headphones, the ERLKÖNIG (Elf King) is Vision Ears' first universal in-ear earphone. Designed and handcrafted in Cologne, Germany, they are the world's first universal in-ear earphone with interchangeable faceplates – available in silver, gold, rose gold, and black.
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