OLLO Audio HPS S4

OLLO Audio HPS S4 – Review

OLLO Audio HPS S4 | 50 mm Dynamic Driver | American Walnut Wood | ๐ŸŽง OLLO Audio HPS S4, an open-back headphone with wooden cups. The OLLO HPS S4 are not the typical industrially manufactured headphone, instead this is a[…]

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