Ningbo Best Group Co.,Ltd
Product Categories
Piezo Element ( 6 )
Buzzer And Transducer ( 106 )
Speaker ( 64 )
Siren ( 9 )
Ultrasonic Sensor ( 6 )
Switch ( 92 )
Fuse& Fuse Holder ( 55 )
Battery Holder ( 38 )
Magnetic Contact ( 57 )
(Total 5 Products for 57mm 400hz Speaker)
FBF57-1TB 57mm * 8.7mm 0.5w 8ohm mylar speaker
FBF57-1TB 57mm * 8.7mm 0.5w 8ohm mylar speaker The FBF57-1TB is a 0.5w Speaker with Mylar, 350Hz to 7kHz frequency range. This speaker features water resistant transparent Mylar cone making them ideal for portable or exterior equipment where moisture ingress is a problem, polyester suspension giving a high degree of...
FBS58A 57mm x 18mm Full range loudspeaker
FBS58A 57mm x 18mm Full range loudspeaker Loudspeaker is a transducer that transforms electrical signals into acoustic signals. The performance of speakers has great influence on sound quality. The audio power can vibrate through the electromagnetic, piezoelectric or electrostatic effects, make the paper basin or...
FBS57DWP 57mm waterproof speaker 8ohm speaker
FBS57DWP 57mm waterproof speaker 8ohm speaker There is no magnet behind the inner magnetic horn. The magnet is wrapped in the outer shell, usually with two pairs of the same polarity to reduce magnetic leakage.Both the computer multimedia and the TV's built-in speakers are internal magnetic speakers. Behind the...
FBS57C 57mm x 19mm 8ohm mylar loudspeaker
FBS57C 57mm x 19mm 8ohm mylar loudspeaker Loudspeaker is a transducer that converts electric current into acoustic signal into acoustic signal. The performance of loudspeaker has great influence on sound quality.The magnet can not be seen behind the magnetic horn. The magnet Wireless Loudspeaker is wrapped in the...
FBS57A 57mmx13mm 8ohm loudspeaker with paper cone
FBS57A 57mmx13mm 8ohm loudspeaker with paper cone There is no magnet behind the inner magnetic horn. The magnet is wrapped in the outer shell, usually with two pairs of the same polarity to reduce magnetic leakage.Both the computer multimedia and the TV's built-in speakers are internal magnetic speakers. Behind the...
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