MODEL??	FBF40-1N
DIMENSION??	40mm  x  6.5mm
VOICE COIL IMP??	8 ohm
SOUND PRESSVRE LEVEL?¡§S.P.L????	85 dB
RESONAT FREQUENEY??	620 Hz
EFFECTIVE FREQUENEY??	fo-20000 Hz
NOISE POWER??	0.25 w
MAGNET SIZE AND ASSEMBLY??	9.5mm Alnico