[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

录制动圈麦(如SM7B、RE20)需要前放增益≥60dB,若接口增益仅50-56dB则需额外购买激励器(Cloudlifter/FetHead)来补足约25dB,购买前应确认增益数值

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