Unverified85% confidenceDecision RuleTime unknown
落地箱灵敏度<87dB且阻抗低于6Ω（有4Ω下潜）属于难推负载，需搭配连续输出≥100W/8Ω的功放，AV功放或入门合并机推不动会出现声音发紧、动态受限
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Unverified无源音箱（需搭配功放）灵敏度＜86dB时，功放输出功率建议≥100W/8Ω，否则大动态时推力不足声音发闷80% similarUnverified前级输入阻抗过低(＜10kΩ)会加重胆机唱放或电子管音源的负载，导致高频滚降，搭配这类高输出阻抗音源时应选输入阻抗≥47kΩ的前级77% similarUnverified驱动大耳机（阻抗≥250Ω）需选平衡输出功率≥300mW@32Ω的播放器，否则声音发虚、动态压缩，低阻塞子（16-32Ω）则单端输出即可无需追求大推力76% similarUnverified低阻抗（4Ω）音箱比8Ω对功放要求更高，需要功放有足够电流输出能力，入门级/数字功放推4Ω容易保护性关机或声音发干；预算有限时选6-8Ω音箱更保险75% similarUnverified只用IEM入耳耳塞（阻抗＜32Ω，灵敏度≥110dB）选择输出功率200mW以内的中端播放器即可，盲目追求推力反而会放大底噪并缩短续航75% similar
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