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Portable Rechargeable White Noise Machine for Baby Adult
Brand: Generic / OEM
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Audited BOM: 6 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The choice of a Class AB audio amplifier and a generic microcontroller on the PCB (COMP-001) leads to background noise issues and premature failures, as evidenced by complaints of poor sound and devices stopping working.
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