蜂鳴器志豐電子 kingstate 壓電式蜂鳴器電磁式蜂鳴器環保受話器環保揚聲器耳機麥克風電容式麥克風電聲元件電聲零組件志豐電子報志豐新聞環保系列

Earphone

Part Number	---------------Type---------------	Dimensions (mm)	Sound Pressure Level (dB)	Impedance(Ω)	Frequency Response for Ear-Speakers
KJAG2030ALKCB	Earbud-Plug-in -Without Microphone	φ 3.5	88±4dB SPL(0dB=20μ Pa) at 1KHz with Vrms input=179mV	32Ω +/- 15% at 1KHz	20 ~ 20,000Hz
KJAG2320ADDCB	Earbud-Plug-in -Without Microphone	φ 3.5	100±4dB SPL(94dB=1Pa) at 1KHz with Vrms input=179mV	32Ω +/- 20% at 1KHz	20 ~ 20,000Hz
KJAG2410AFDCB	Earbud-Plug-in -Without Microphone	φ 3.5	100±4dB SPL(94dB=1 Pa) at 1KHz with Vrms input=179mV	32Ω +/- 20% at 1KHz	20 ~ 20,000Hz
KJAG2070AEUCA	Earbud-Plug-in -Without Microphone	Mini USB Type	112±4dB SPL(0dB=20μ Pa) at 1KHz with Vrms input=179mV	32Ω +/- 20% at 1KHz	20 ~ 20,000Hz