Description :
Model : 28MM speaker
Type : Electric ( moving type )
circuit form : internal
Frequency characteristics : ( )
Rated power : 1 ( W )
Rated impedance : 8 (Ω)
Frequency response : 640 ( )
Directivity : forward
Sensitivity : 88 ( dB / W )
Suitable for MP3 , point pen , pronunciation box , etc .
Package Includes :(6 Pack)
Thin 28mm Speaker