Waterproof and Air-permeable Vents
As consumers become more dependent on their smartphones, their need for enhanced water resistance IPX8 becomes more important.
Meanwhile, Consumer handling of these electronic devices can cause rapid pressure changes and pressure differentials between the inside and outside of the device, leading to transducer bias and compromised acoustic performance when devices experience temperature or altitude changes. Pressure Vents are designed to provide optimum airflow within the available design envelope without compromising the required level of ingress protection by balancing pressure.
Consumers expect devices that deliver high-quality sound and flawless functionality under harsh conditions or activities devices are exposed to dust and water ingress , while that can damage components, leading to malfunctions and premature device failure. Johan solution of acoustic vents is to keep high-quality that sound waves is delivered with less energy loss as much as possible while contaminants and water is block out.
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| IPX8 Water Resistance | Mic Acoustic Vents | Air Pressure Vents |
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| Acoustic Vent design (Typical 0.6mm) |
Air Vent design (Typical 0.3mm) |
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| IL = SVLwoWRM − SVLwWRM | Transmission loss <3dB, 1.6mm of inner diameter @1000Hz |
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| 100% Inspection of online CCD |
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