TWS Audio

TWS Audio Waterproof Acoustic Vent Membrane
Ultra-thin ePTFE acoustic vent membrane designed for TWS earphones, Bluetooth earbuds and miniature microphones. It provides reliable waterproof protection while maintaining high-fidelity sound transmission for audio devices.
Product Overview
The microporous structure of the ePTFE membrane allows air and sound waves to pass freely while blocking water, sweat and dust. It ensures stable acoustic performance and protects sensitive electronic components in compact audio devices.
Core Advantages
- Ultra-low acoustic insertion loss ≤1dB for high-fidelity sound quality
- IP67/IP68 waterproof and sweatproof protection for daily and sports use
- Ultra-thin structure suitable for compact earbud design
- Stable acoustic performance in mass production consistency
- Custom die-cut shapes (round, oval, micro size) available
Main Applications
- True wireless stereo (TWS) earbuds
- Bluetooth sports earphones
- In-ear hearing devices
- Microphone acoustic protection modules
- Portable wireless audio devices
Related Solution
Explore our waterproof breathable membrane system for full material comparison of TPU, ePTFE and PU solutions.
Order Information
- MOQ: 1000 pcs
- Sample Lead Time: 3–5 working days
- Mass Production Lead Time: 7–15 working days
Frequently Asked Questions
What waterproof rating do your membranes achieve?
Our ePTFE waterproof breathable membranes achieve IP67 and IP68 protection grades. They withstand immersion at 1 meter depth for 30 minutes (IP67) and continuous submersion (IP68), while maintaining stable airflow for pressure equalization.
Can you provide custom sizes and die-cutting shapes?
Yes, we offer full custom die-cutting services. We can produce membranes in any size or shape according to your specifications, including round, rectangular, and complex custom geometries. Our Class 10,000 cleanroom ensures precision cutting for production volumes.
What is the minimum order quantity (MOQ)?
We support both prototyping and mass production. Free samples are available for testing with 3-5 working days delivery. For mass production, MOQ is flexible depending on the product specification and can be discussed based on your project requirements.
What industries and applications do your membranes serve?
Our membranes are widely used in automotive electronics, lithium batteries, smart wearables, consumer electronics, LED lighting, medical devices, and industrial sensors. Applications include speaker acoustic vents, pressure balance vents, microphone waterproof membranes, and battery venting solutions.
How long is the delivery time for samples and mass production?
Free samples are delivered within 3-5 working days via express shipping. Mass production typically takes 7-15 working days depending on order quantity and customization requirements. We provide one-stop technical support from sample testing to mass production.
