Electronics > Audio > Headphones & Earbuds > Earbud Headphones
KA-6120 Stereo Earbuds
Brand: Generic / OEM
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Audited BOM: 7 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Low-quality audio drivers (ENG-001) lead to the failure of one earphone side (RMA-001), causing customer dissatisfaction (REV-001).
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