Ollo Audio S4X

Open-back dynamic studio reference headphones for mixing and producing. Features 50mm PET drivers with 25 µm membrane, American walnut earcups with perforated backplates. 32 ohm impedance, 109 dB SPL sensitivity. Warmer and fuller frequency response compared to S4R, representing typical room acoustics. SoundSeal technology with separated front and back cavities. 5-year limited warranty.

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