Electronics > Audio > Headphones & Earbuds > Earbud Headphones
KA-716 Wired 3.5mm Earphones with Microphone
Brand: Generic / OEM
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Audited BOM: 9 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Cold solder joints on the P2 connector (ENG-001) cause intermittent poor contact, leading to returns (RMA-003) and complaints of sound failure (REV-003).
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