Electronics > Audio > Live Sound & Stage Equipment > Microphones > Wireless Microphone Systems
VHF Dual Wireless Microphone System KA-M87 210-270 MHz
Brand: Generic / OEM
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Audited BOM: 11 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 RF components (ENG-001) and unstable electronics (ENG-002) in the receiver and transmitters cause noise and interference (RMA-001, RMA-004), resulting in complaints about poor audio quality (REV-001, REV-004).
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