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Precision Acoustic Components for Global Innovation

Changzhou L&C Electronics Co., Ltd is a trusted manufacturer of high-performance buzzers, receivers, transducers, alarms, and sirens. Engineered for reliability, durability, and clarity in industrial, medical, automotive, and consumer electronics.

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About Changzhou L&C Electronics

Changzhou L&C Electronics Co., Ltd is a professional company specializing in the design, development, and manufacturing of acoustic components. With years of industry experience, we deliver high-quality buzzers, receivers, transducers, alarms, and sirens trusted by clients worldwide.

Our dedicated engineering team focuses on innovation and precision, ensuring every product meets rigorous performance and durability standards. From concept to production, we maintain strict quality control to serve diverse sectors including telecommunications, medical devices, home appliances, and industrial equipment.

15+
Years Experience
50+
Products
30+
Countries Served
Acoustic Components

Our Product Range

High-performance acoustic components engineered for clarity, durability, and reliability across industrial and consumer applications.

YSMT08A-H2.5-V3.6-F2.7-R16

YSMT08A

H:2.5mm | V:3.6V | F:2.7kHz | R:16Ω

  • • Miniature Surface Mount Buzzer
  • • High-frequency output
  • • Low power consumption
SMT Type
YSPT12C-H3.0-V03-F4.0-C16

YSPT12C

H:3.0mm | V:3V | F:4.0kHz | C:16Ω

  • • Piezoelectric Transducer
  • • Compact through-hole design
  • • Ideal for alarm systems
Piezo Type
YSMT07A-H2.5-V3.6-F2.5-R15

YSMT07A

H:2.5mm | V:3.6V | F:2.5kHz | R:15Ω

  • • Ultra-thin SMT buzzer
  • • Low-profile for space-limited PCBs
  • • Stable frequency response
SMT Type
YMB16A-H14-V12-F2.3

YMB16A

H:14mm | V:12V | F:2.3kHz

  • • Magnetic buzzer with housing
  • • High sound pressure level
  • • Wide operating voltage
Magnetic Type
YSPT22B-H11-V12-F4.0-C19

YSPT22B

H:11mm | V:12V | F:4.0kHz | C:19Ω

  • • High-power piezoelectric transducer
  • • Loud and clear tone
  • • Suitable for industrial panels
Piezo Type
Miniature Buzzer Module

LC-BZ01

Φ16mm | 5V | 2.7kHz

  • • Self-drive buzzer module
  • • Easy integration
  • • Consistent sound output
Module Type
High-Frequency Receiver

LC-RX20

Φ20mm | 3V | 4kHz

  • • High-sensitivity receiver
  • • Clear audio reproduction
  • • Low distortion
Receiver
Industrial Siren

LC-SRN01

12V | 100dB | IP54

  • • Waterproof siren unit
  • • High decibel output
  • • Outdoor & industrial use
Siren
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Technical Support & Resources

We provide comprehensive support to ensure seamless integration and optimal performance of our acoustic components.

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Design Assistance

Custom tuning, footprint design, and PCB layout guidance for optimal acoustic performance.

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Datasheets & Manuals

Access detailed specifications, performance curves, and application notes for all products.

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Application Notes

Learn best practices for speaker protection, impedance matching, and noise reduction.

Latest Insights & News

Stay updated with technical articles and industry knowledge from L&C Electronics.

The Difference Between Speaker and Buzzer

Understanding functional and structural distinctions for proper component selection.

Published: 2014-03-04

General Types of Loudspeakers

Overview of dynamic, piezoelectric, and electrostatic speaker technologies.

Published: 2014-03-04

Speaker Protection Techniques

Methods to prevent over-voltage, thermal damage, and mechanical stress.

Published: 2014-03-04

What Is Speaker Impedance?

Explaining nominal impedance, frequency response, and matching with drivers.

Published: 2014-03-04

Built-in Speaker Configuration

Tips for optimizing internal speaker placement and enclosure design.

Published: 2014-03-04

Working Principle of Electrostatic Speakers

How electrostatic fields drive diaphragms for high-fidelity audio.

Published: 2014-03-04

Get in Touch

Reach out for product inquiries, technical support, or custom solutions.

Contact Information

  • Tel: 86-18961252228
  • Fax: 86-519-85265885
  • Email: [email protected]
  • Address: Changzhou City, Jiangsu Province 213163, China

Visit Our Website

For full product details, downloads, and company updates.

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