Shenzhen Longsun Acoustic Co., Ltd.

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1. General Siren and Alarms

Application:
Siren and alarms is widely used in fire fighting, car, office, residential building and security equipment etc

Specifications:

DC Resistance: 19 ohm +/- 10%
Impedance: 100 ohm +/- 25% at 1KHz
Frequency Range: ...

2. Mylar speaker

Application:
Speaker is widely used in TV, computer, laptop, home theater, car entertainment, music entertainment, mobile phone, toys, games machines, telephone, door bell etc product related to sound.

Model: YD1708H4.8

S.P.L: 90 +/- ...

3. Piezoelectric Receiver

Application:

it is used in mobile phone handset, or telephone handset.

Main Parameters:

Rated Voltage: 1 Vp-p
Operating voltage range: 1-10Vp-p
Rated Current(Max): 3mA
Capacitance: 75000 +/- 30% pF
Sensitivity: >= 103dB (1KHz ...

4. SMD Piezoelectric Buzzer

Application:
Automotive alarms;
Toys, games machines etc;
Electrical appliances;
Automatic control devices;
Conveyors, medical equipment;
Fire alarms, burglar alarms, gas detectors;
Data processing equipment.

Specifications:

Rated ...

5. Ultrasonic Sensors

Application:

Ultrasonic sensor is widely used in burglar alarms, Range finders, Automatic control, Back sonar of automobiles, parking meters, Water level meters, short distance test, intelligent toys, liquid gas flow detection, wind speed ...