Products

Buzzer

Buzzer is an electromagnetic device that produces a bee-like sound.Often used in place of an electric bell or as an audio current generator.Buzzer has the characteristics of small size, light weight, ...
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Speaker

Speaker is a kind of transducer which converts electrical signal into acoustic signal. The performance of speaker has great influence on sound quality.TDA has a professional technical team, profession...
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Microphone

Microphone transmits the sound vibration to the diaphragm of the microphone, and pushes the magnet inside to form a changing current, which is sent to the sound processing circuit behind for amplifica...
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Ultrasonic Sensor

Ultrasonic sensors are sensors that convert ultrasonic signals into other energy signals (usually electrical signals). Characteristics: It has high frequency, short wavelength, small diffraction phen...
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Negative Ion Generator

Role: The role of the ozone generator is mainly to sterilise and disinfect, killing bacteria, mould, yeast, viruses and other microorganisms. Ozone generator sterilization characteristics: sterilizati...
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Automotive AVAS and SAF

Product Name: Auto AVAS - Acoustic Vehicle Alerting System Product functions: simulated engine sound, alerts pedestrians to vehicle status Frequency range: 500~5000Hz Sound pressure level: 50~85dB N...
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about TDA

Our story

Founded in 2002, TDA is a self-registered brand in China. The company is currently implementing IATF16949 and ISO13485 quality management systems. By December 2022, TDA will have 4 production factories in Changzhou, Nantong, Chongqing, and Qingdao. The company's current main customers include B/S/H, Panasonic, GEA, Audi, Haier, etc. The company mainly produces various electroacoustic devices and injection molding parts, including various buzzers, car speakers, 5G speakers, coil speakers, microphones, etc. Electroacoustic Devices Suppliers and Wholesale Electroacoustic Devices Company in China.It has several independent research and development patent projects, among which piezoelectric speakers are used in many special fields due to their ultra-thin features. The products are mainly used in various home appliances, automobiles, security, medical and other industries. The company has self-supporting import and export rights, and its products are mainly exported to Europe and North America. The products meet the EU RoHS and REACH standards.

4

Production Factory
21+

Inudstry Experience
300+

Staff Member

Qualification Certificates

The company is currently implementing IATF16949 and ISO13485 quality management systems. As Electroacoustic Devices Company, the products meet the EU RoHS and REACH standards.