EST ELECTRONICS

EST ELECTRONICS

Speakers, piezoelectric transducers and acoustic components

About the manufacturer

Changzhou EST Electronics manufactures electroacoustic components used in electronic devices, signaling systems and industrial equipment. The company focuses on components that convert electrical signals into sound or mechanical vibration, including speakers and piezoelectric transducers.

The EST portfolio covers speakers in different diameters, impedances, power ratings and frequency ranges, together with piezo elements used for acoustic signaling and vibration generation. A variety of diaphragm materials and mechanical formats allows designers to match the component to the enclosure, required sound level and expected frequency response.

In compact devices, size, simple assembly and stable acoustic parameters are often the key requirements. Larger designs may prioritize power, efficiency and wider bandwidth. As a result, EST components can be used for simple warning tones as well as voice prompts and general audio reproduction in electronic equipment.

Applications

EST Electronics components are used in products that require sound generation, audible signaling or conversion of electrical energy into mechanical vibration.

• Alarm systems – warning tones and audible alerts.
• Consumer electronics – speakers for portable and stationary devices.
• Industrial automation – operator signals and audible status notifications.
• Measurement equipment – operating and alarm signaling.
• Communication systems – voice prompts and audio signals.
• Toys and educational equipment – simple audio modules.
• Ultrasonic and piezo systems – vibration and signal generation.
• Medical and laboratory equipment – operating-status and alarm indications.

EST-ELECTRONICS products available from Maritex

The EST Electronics offer from Maritex includes a broad range of acoustic components for integration into electronic devices. The selection covers both conventional speakers and piezoelectric elements used for signaling and vibration generation.

Available product groups include:

• Miniature speakers.
• Speakers with Mylar and paper diaphragms.
• Speakers with different impedances and power ratings.
• Piezo discs and piezoelectric transducers.
• Components for audible signaling.

Available examples include EST27N-A-8R, EST36N-A-8R2W and EST50N-C-8R speakers, together with piezo elements such as PIEZO20T-3.6A1-EST, PIEZO20T-4.5A1-EST and PIEZO35T-2.6A1-EST. When selecting an acoustic component, key parameters include diameter, height, impedance, rated power, frequency response and mounting method. For piezo elements, resonant frequency, capacitance and mechanical dimensions are also important