[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

推力充足判据:输出功率≥250mW@32Ω 才能有效驱动多数便携监听耳机(如DT770 250Ω除外),若耳机阻抗≥300Ω需选功率≥500mW@32Ω或带高增益档的型号

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85%
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