Lossy Music Files Lossless Music Files Frequency Response & Drivers (Tweeters, Mid-range, Woofers) "Beyond" the Human Hearing Range and Sample Rates Sensitivity/Signal-to-Noise Ratio Impedance & Power Handling...

根據BBC新聞報告在歐洲發賣的數字音頻播放器可能就快強制音量的上限到85dB。但如果使用者想的話也可以調到100dB。 看來許多人在通勤時為了減低交通的噪音，把音量調過高所以聽覺出現問題。有些播放器可調到120dB - 像噴射式飛機那麼大聲。 我用我部播放器原裝的耳筒要把音量調到40之15(38%)，但用了耳道式耳筒後只要調到40之7(18%)。 耳筒入到耳道好像會不舒服但其實不太差。但當以，也不可再聽到別人的談話哪（笑） BBC新聞應該要收正MP3 Players為DAP (Digital Audio Players)。現時的播放器己經不是只可播放MP...

Audio Terms Practical Home Theater and Headwize have some pretty good glossary as to what all the other specs mean but, I only looked them up after I bought these headphones because I wanted to know what the other terms meant. Packaging Performance Electrical Interferences...