onears
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ETA Audio O2
ETA Audio Website: https://etaheadphones.com/ O2: https://etaheadphones.com/products/o2 -
ETA O²
ETA O² https://etaheadphones.com/products/o2 The legacy Mini Open headphone was an exercise in maximum minimalism - stripping down the enclosure to its most basic form to reveal the most potential of the drivers within. The question therefore arises - given the unique strengths of this type of...