🔍 Behind the Scenes: Our Factory's Quality Control Process
🏭 Ensuring Excellence from Start to Finish
At Hi-FiD, every white noise machine goes through a meticulous quality control process to guarantee premium sound performance, safety, and durability. With 15+ years of expertise, our factory in Shenzhen follows strict international standards, ensuring each product meets the expectations of global customers. We also provide CE, FCC, and RoHS certifications to support compliance in different markets.
📦 1. Incoming Material Inspection
Before production starts, all raw materials and components undergo a thorough inspection. Our QA team checks for compliance with RoHS standards, verifies certifications, and tests key components like speakers, PCBs, and LED modules.
🛠 2. In-Process Quality Control
Throughout the assembly process, our technicians conduct real-time checks. Automated screw machines and soldering stations ensure consistent accuracy, while functional tests verify sound output, light brightness, and wireless charging performance.
🎧 3. Acoustic & Performance Testing
Every unit is placed in a sound chamber to measure noise levels, frequency accuracy, and speaker output quality. This ensures that the white noise machine delivers the calming sounds users expect.
🔦 4. Final Inspection & Packaging
Before shipping, each product undergoes a final visual check, power-on test, and drop-resistance assessment. Once approved, the products are carefully packed to prevent damage during
🌍 Why It Matters
By maintaining a 97.5% quality pass rate, we deliver reliable products to customers worldwide. Our commitment to quality, along with CE/FCC/RoHS certifications, makes Hi-FiD a trusted partner in the white noise machine industry.
📩 Want to Learn More?
Contact us to schedule a virtual factory tour or request our quality inspection report.