Electronics > Portable Audio & Video > Portable Bluetooth Speakers
60W Waterproof Bluetooth Speaker 4000mAh Battery AL-9999
Brand: Generic / OEM
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Audited BOM: 13 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 low-quality audio amplifier (ENG-001) cannot deliver the advertised power (60W), resulting in weak and distorted sound (RMA-001), which leads to consumer complaints about unrealistic power (REV-001, REV-005).
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