MODEL??	FBF40-5NB
DIMENSION??	40mm  x   4.8mm
VOICE COIL IMP??	8  ohm
SOUND PRESSVRE LEVEL?¡§S.P.L????	85 dB
RESONAT FREQUENEY??	780 Hz
EFFECTIVE FREQUENEY??	fo-12000 Hz
NOISE POWER??	0.4 w
MAGNET SIZE AND ASSEMBLY??	9.5mm Alnico