Waterproof Acoustic Vents

Waterproof Acoustic Vents – Clear Sound, Reliable Protection
Our Waterproof Acoustic Vents are engineered with advanced ePTFE membranes to deliver exceptional sound transparency while providing robust protection against water, dust, and pressure differentials. Designed for speakers, microphones, and other acoustic components, these vents ensure stable, high-quality audio performance in smartphones, wearables, automotive systems, and industrial devices.
Key Features:

• High acoustic transparency with minimal sound loss
• IP67/IP68 waterproof protection
• Effective pressure equalization to prevent speaker damage
• Hydrophobic & oleophobic surface treatment
• Dust-proof barrier for long-term reliability
• Chemical, UV, and temperature resistance
• Compact, lightweight design for space-limited applications
• Self-adhesive backing for easy automated assembly

Applications: Smartphones, TWS earbuds, smartwatches, automotive audio, outdoor speakers, two-way radios, security cameras, medical wearables.
Specifications:
Material: ePTFE + support layer
Waterproof Rating: IP67 / IP68
Air Flow: 50–500 mL/min @ 70 mbar
Sound Loss: <1.0 dB
Temperature Range: −40°C to +125°C
We provide custom sizes, shapes, and acoustic tuning to meet your exact requirements. Contact us today for samples and technical support.

About Shenzhen San Deli Precision Technology Co., Ltd.

Founded in 2010, Shenzhen San Deli Precision Technology Co., Ltd. is a professional manufacturer specializing in E-PTFE, PU waterproof, oil-resistant, breathable, and acoustic membrane materials. Located in Songgang, Shenzhen, our 3,000㎡ factory employs over 80 skilled technicians and integrates R&D, production, and quality control to deliver high-performance solutions for global clients.

Core Advantages

• Material Expertise: Specialized in E-PTFE & PU membranes for waterproof, breathable, and acoustic applications.
• Customization Capability: Offer OEM/ODM services from raw film to finished components (e.g., waterproof mesh, adhesive tape, pressure-balance membranes).
• Quality Assurance: Strict QC process ensuring consistent performance in harsh environments.
• Acoustic Focus: Dedicated to providing acoustic waterproof solutions for electronics, automotive, and consumer devices.

Main Products

We manufacture:

• Waterproof & Breathable Membranes (E-PTFE / PU)
• Waterproof & Acoustic Membranes (for speakers, microphones, cameras)
• Pressure-Balance Venting Membranes (for enclosures, batteries)
• Waterproof Double-Sided Tape, Waterproof Mesh, Dustproof Mesh
• Custom Finished Components (cut, laminated, die-cut)

Applications

Our products are widely used in:

• Consumer Electronics (smartphones, wearables, drones)
• Automotive Electronics (sensors, ECUs, headlights)
• Medical Devices (sterile equipment, diagnostic tools)
• Industrial Equipment (outdoor enclosures, lighting)

Our Commitment

“Waterproof Technology Serves Life” — We are committed to delivering reliable, high-performance membrane solutions that protect your devices while enabling optimal acoustic performance. San Deli looks forward to becoming your trusted partner in precision material manufacturing.