36mm speaker

When sourcing a 36mm speaker, you must prioritize Rated Power (W) and Impedance (typically 4 or 8 ohms) to ensure compatibility with your PCB or amplifier. Pay close attention to the Frequency Response range; for 36mm drivers, a range of 300Hz to 20kHz is standard for voice and mid-high frequencies. Additionally, verify the Sound Pressure Level (SPL), usually measured in dB at 1W/0.5m, to ensure the volume meets your application requirements.

For the diaphragm, Mylar (PET) is excellent for moisture resistance and cost-efficiency, while Paper cones with cloth edges provide a warmer sound for indoor devices. The magnet type is critical; Neodymium (NdFeB) magnets are preferred for 36mm speakers because they offer high magnetic flux in a compact size, allowing for a thinner profile without sacrificing sound quality.

To ensure smooth customs clearance and market entry, products must be RoHS (Restriction of Hazardous Substances) compliant, ensuring they are free from lead and other toxic materials. For the European market, CE marking is essential, while REACH compliance may be required for chemical safety. If the speaker is part of a wireless device, ensure the assembly meets FCC or RED standards.

Request a Total Harmonic Distortion (THD) report; a high-quality 36mm speaker should maintain THD < 5% at rated power. You should also perform a Rub and Buzz test to check for mechanical defects or loose components within the housing. If possible, ask the supplier for a Bode plot to visualize the frequency consistency across multiple units.

Implement a strict QC protocol by hiring a third-party inspection service to perform an AQL (Acceptable Quality Limit) inspection before the final balance payment. On Made-in-China.com, prioritize Audited Suppliers who have undergone on-site verification of their manufacturing facilities and quality management systems.

Since 36mm speakers are lightweight but sensitive to magnetism, Air Freight or International Express (DHL/FedEx) is often best for small to medium batches. Ensure the supplier provides Magnetic Shielding Packaging to comply with IATA regulations for air transport, otherwise, the shipment may be rejected by the airline.

Suppliers typically offer tiered pricing; aim for a 15-20% discount when moving from sample quantities to 5,000+ units. If you require custom wire lengths or specific connectors (e.g., JST or Molex), negotiate these as a bundled unit price rather than separate add-on costs to simplify your landed cost calculation.

Always use Secured Payment services provided by reputable platforms like Made-in-China.com to ensure your funds are held in escrow until shipping documents are verified. Avoid direct wire transfers to private accounts; ensure the beneficiary name matches the company name on the business license and the proforma invoice.