Unverified82% confidenceDecision RuleTime unknown
外放音质看喇叭口径和功率，全频喇叭≥2W且口径≥40mm的听书机人声更清晰，老人听戏曲评书不费力；低于1W的小喇叭在嘈杂环境几乎听不清
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82%
Confidence
Long-term
Relevance
-
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Unverified音质方面看喇叭口径而非单纯功率，全频喇叭口径≥40mm的机型人声还原更清晰，适合听儿歌和故事；口径过小的高音刺耳、低音空洞93% similarUnverified外放音量选购看喇叭功率，给听力衰退的老人应选≥3W大功率喇叭机型，最大音量标称≥90dB；1-2W小喇叭机型在户外或电视旁基本听不清92% similarUnverified追求音质应看扬声器配置与功率：单元数量≥2（高音+低音分频）、总功率≥20W才有明显低频下潜，单全频喇叭的入门音箱只能满足语音播报和背景音乐90% similarUnverified音箱扬声器口径≥2.5英寸+独立低音单元才有明显低频下潜，单全频喇叭的机型听流行/古典明显发闷89% similarUnverified喇叭口径直接决定音量与低频，日常听广播选喇叭≥3英寸(约77mm)机型音量足够；便携掌上机喇叭多为1.5-2英寸，音量小仅适合近距离贴身收听88% similar
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