I. Core Technical Parameters
Precision Structural Design: Φ31mm diameter with an optimized height of 16.8mm to maximize magnetic circuit efficiency.
Multi-Impedance Adaptation: Standard 4Ω±15% impedance, supporting 2W rated power and 3W maximum power handling.
Wide Frequency Response: Effective bandwidth covers F0~20kHz, with a resonance frequency of 210±20%Hz.
Industrial-Grade Reliability: Passed 96-hour continuous white noise load testing and temperature range validation (-25℃~+60℃).
II. Target Application Scenarios & Solutions
Bluetooth Speaker Systems
External magnetic structure effectively isolates electromagnetic interference, ensuring wireless transmission stability.
73±3dB sound pressure level (0.5W/0.5M) delivers clear audio output.
5% maximum distortion rate ensures high-fidelity sound reproduction.
Smart Robot Platforms
Optimized transient response meets real-time voice interaction demands.
Passed 6-direction drop testing, adapting to vibration environments in mobile devices.
Home Audio Equipment
Forward-facing diaphragm design enhances sound wave directivity.
Compatible with 350℃/3-5 second soldering processes, suitable for automated production lines.
Smart Central Control Terminals
Compact structural design meets embedded installation requirements.
Wide operating temperature range (-25℃~+60℃) ensures long-term stable operation.
III. XuanDa Electronics Manufacturing Capabilities
【Precision Manufacturing System】
Fully automated magnetic circuit assembly system ensures uniform air gap (tolerance ±0.05mm).
Laser welding process guarantees terminal connection strength (pull resistance >12N).
【Quality Control Standards】
100% full inspection includes:
Polarity consistency verification
Abnormal sound detection (Fo~5KHz sweep)
Impedance matching testing
IV. Customization Services
Acoustic Performance Customization
Frequency response curve tuning (optimizable within F0~20kHz range)
Sensitivity adaptation (adjustable within 73±3dB range)
Special resonance frequency design (customizable at 210Hz±20%)
Structural Adaptation Services
Mounting height customization (adjustable from the 16.8mm baseline)
Terminal layout optimization (supports multi-directional wiring designs)
Environmental Adaptability Upgrades
Protection level enhancement (supports dustproof and moisture-proof treatments)
Special coating applications (corrosion-resistant/UV-resistant)
V. Typical Application Cases
Portable Bluetooth Speaker: Customized 4Ω version for a brand, achieving 2W continuous output power.
Service Robot: Developed anti-vibration structure, passing 96-hour continuous load testing.
Smart Background Music System: Optimized frequency response curve to enhance voice clarity.
Home Control Panel: Ultra-thin design for compact installation spaces.
XuanDa Electronics boasts a comprehensive acoustic laboratory and CNAS-certified testing capabilities, providing full-process technical support from prototype design to mass production. Our engineering team is available 24/7 to address customization needs. Smart device manufacturers are welcome to contact us for detailed technical specifications and samples.