Electronics > Portable Audio & Accessories > Portable Speakers > Bluetooth Speakers
40W 2000mAh Portable Speaker with Wheels TWS D-BH8115
Brand: Generic / OEM
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Audited BOM: 10 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 amplifier board (ENG-001) does not deliver the promised 40W RMS, resulting in low perceived power (REV-001) and unsatisfactory sound (RMA-002).
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