1. Product Overview
The 36mm Mylar Speaker is a high-performance micro speaker based on polyester film (PET) diaphragm technology, specifically designed for portable two-way radios. Its compact size and lightweight structure (typical weight ≤5g) make it an ideal choice for space-constrained communication devices, while ensuring high-fidelity audio output and long-term reliability.
2. Structural Design and Technical Advantages
Film Diaphragm Technology: Utilizes ultra-thin Mylar diaphragms (0.02–0.03mm thickness) to extend high-frequency response (up to 20kHz), effectively eliminating distortion issues common in traditional paper diaphragms and improving voice clarity and noise resistance.
Magnetic Circuit Optimization: Features neodymium iron boron (N35–N45 grade) magnets with a magnetic flux density ≥800mT, combined with symmetrical voice coil winding, ensuring high sound pressure levels (SPL ≥90dB@1W/1m) while maintaining low power consumption (rated power 0.5–1W).
Waterproof and Dustproof Design: IP54-rated protection with sealing rings and waterproof breathable membranes, suitable for harsh environments such as rain, snow, and dust.
3. Core Performance Parameters
Frequency Response: 300Hz–20kHz (±3dB), covering the primary human voice range (800Hz–4kHz) without attenuation.
Total Harmonic Distortion (THD): <1%@1kHz/0.5W, ensuring near-original call quality.
Impedance Matching: 8Ω±15%, compatible with mainstream two-way radio amplifier circuits.
Durability: >2000 hours of continuous operation (@25°C/60% RH), passing -30°C to +70°C thermal cycling tests.
4. Typical Application Scenarios
Outdoor Operations: Resists wind noise in construction and forestry patrols, penetrating mechanical background noise.
Emergency Rescue: Delivers high-decibel alarms and clear instructions in firefighting and disaster relief scenarios.
Industrial Environments: Provides electromagnetic interference resistance (EMC Class B) in factory workshops, ensuring device compatibility.
5. User Benefits
Enhanced Communication Efficiency: Wide frequency response and low distortion reduce repeat confirmations, improving team collaboration response times.
Lower Maintenance Costs: Mylar material's anti-aging and moisture-resistant properties reduce repair rates by over 40% compared to traditional units.
Improved User Experience: Lightweight design reduces wearing fatigue, with smooth sound pressure and no harsh tones.
6. Conclusion
The 36mm Mylar Speaker redefines the performance benchmark for two-way radio audio units through deep integration of material science and acoustic engineering. Its exceptional performance in high-noise environments, extended lifespan, and energy efficiency make it a core component for upgrading professional communication devices, enabling users to achieve safe and efficient wireless communication experiences.