MODEL??	FBF27-2N
DIMENSION??	27mm  x   9.5mm
VOICE COIL IMP??	32 ohm
SOUND PRESSVRE LEVEL?¡§S.P.L????	85 dB
RESONAT FREQUENEY??	640 Hz
EFFECTIVE FREQUENEY??	fo-18000 Hz
NOISE POWER??	0.25 w
MAGNET SIZE AND ASSEMBLY??	12mm Ferrite