Use of speakers: 1.You may replace them to your original AKG N90Q headphone 2. Or DIY a headphone with your headphone shell with the same sound performance as AKG N90Q Specification: Diameter: 52mm Thickness: About 1cm Resistance: 32 ohms Frequency Response: 10-30K Sensitivity: 115Db Sound quality features: The overall three-frequency balance is balanced, the sound is atmospheric, the low frequency is not sloppy, the texture is good, the high frequency is delicate, the resolution is high, the sound field is surrounded by a sense of hierarchy, the mid-frequency connection is natural, moist, feminine, and the sense of thick lines is good. Package content: as your choose(as the picture show) 1pc speaker or 2pcs speakers.
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