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推力匹配核心看阻抗：300Ω以上高阻大耳（如HD650/DT880 600Ω）需台式耳放单端输出≥300mW@300Ω或平衡口≥1W；便携小尾巴多数在32-300Ω耳机上够用，硬推300Ω以上高阻会明显动态不足

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Unverified推力选择看阻抗：低阻高敏耳塞（16-32Ω）只需30-50mW即可，300Ω大耳（如HD650/DT880）需要单端≥250mW或平衡≥500mW@32Ω折算才能推出动态和控制力93% similar Unverified300欧姆以上高阻大耳（如HD650、DT880 600Ω）需要平衡口单端输出功率≥250mW@300Ω才能推出充足动态，便携小尾巴通常不足以驱动此类耳机88% similar Unverified耳机阻抗≥250Ω（如HD650、拜亚T1）需选带平衡XLR输出或推力≥1000mW@32Ω的解码耳放一体机，纯DAC接RCA输出推力不足87% similar Unverified推平衡耳机（阻抗≥300Ω或大尺寸平板振膜）需选带4.4mm平衡口且平衡输出≥300mW@32Ω的机型，否则驱动力不足会导致声音发虚、动态受限87% similar Unverified驱动大阻抗头戴耳机(≥250Ω)需播放器单端输出功率≥200mW@32Ω或配备4.4mm平衡口(输出≥500mW)，否则大耳机推不响、声音发闷发虚87% similar

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