耳机扬声器(ED)
Impedance: 14 (8~150) Ohms Power Rated (Max.): 2 (4) mW S.P.L.: 108 +/- 3dB @ 1K Hz / 118mV Freq. Range: 300~4000 Hz
Impedance: 32 (8~150) Ohms Power Rated (Max.): 1 (2) mW S.P.L.: 112 +/- 3dB @ 1K Hz Freq. Range: 300~3400 Hz