Hilmo was founded in 1998 and devotes to researching developing, producing and selling Warning Lights, Siren, Speaker, Vehicle illumination, Work light etc. Its product ranges covers 22 categories more than 200 products.
The 10th China International Road of Traffic Security Products Expo & Traffic Police Equipment Exhibition,
The Automechanika is holding from Nov. 28th. to Dec. 1st. In National Exhibition and Convention Center, Hongqiao, Shanghai.
Speaker is a kind of transducer device which converts electrical signal into acoustic signal, and the performance
Generally speaking, as long as the frequency response curve is flat, the effective frequency range is greater than the width of the acoustic
For a variety of different speakers, the requirements for the quality factor--q0 value of low-frequency speakers are different.
1.The speaker has two terminal (two leads), when the single speaker is used when the two pins do not match the positive and negative polarity
Depending on the position set by the transmitter and receiver, the receiver is divided into the type of mounting mode
The infrared transmitter drives the infrared light-emitting diode to emit a noisy, modulated infrared beam.
According to the principle of sound different points are:
Add:No.16 Jiuyuan Road, Automobile Industrial Zone, Economic Development Area, Jiujiang City, Jiangxi Province, China
Hilmo owns rich experience in exporting goods all over the world, mainly Europe, North and South America, Middle East, Southeast Asia, North Africa and Australia. Hilmo enjoys good reputation at home and abroad for its reliable quality and excellent after-sale services.