[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

甲类(Class A)功放音质最佳但发热极大、效率仅20-30%、耗电高;乙类/甲乙类(AB类)效率与音质平衡;D类数字功放效率高达90%、发热小、体积小,适合桌面或多声道系统

1
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85%
Confidence
Long-term
Relevance
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