Unverified90% confidenceDecision RuleTime unknown
耳机阻抗<32Ω时优先看输出电流而非电压,高阻大耳机(250-600Ω)才需要看电压摆幅,便携小尾巴普遍难以驱动300Ω以上大耳机到理想响度
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Unverified高阻抗大耳机(250Ω-600Ω,如拜亚DT880 250Ω、森海HD650 300Ω)需要输出电压摆幅足够的耳放,建议看规格中标注的高阻档功率,300Ω下应≥100mW才能推出足够动态和低频控制力90% similarUnverified推大耳机需关注平衡口输出功率,4.4mm平衡口≥500mW@32Ω才能较好驱动300Ω以上高阻大耳机,否则出街只能配IEM入耳塞88% similarUnverified选择便携耳放需匹配阻抗:低阻高敏耳塞选低增益档(输出电压1V以下),300Ω高阻大耳机需选输出电压≥3Vrms、输出功率≥100mW@300Ω的机型88% similarUnverified300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87% similar
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