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PUI Audio, Inc.

- PUI Audio, Inc. is a leading developer, manufacturer and supplier of quality audio devices and components including buzzers, alerts and transducers. Corporate offices, product development, engineering, sales and customer service are located in Dayton, Ohio.

Our growth and product innovation are the results of listening to our customers. With an extensive network of sales representatives, agents and distributors, we provide products and services throughout the world.

Whether your needs are for an off-the-shelf product or a custom design, Projects Unlimited has your sound solution.

Sound Solutions

PUI Audio Sound Solutions

PUI Audio has a large portfolio of audio components including audio sound eXciters and a variety of other products that create a total sound solution. Learn More

Audio Kits for Design Solutions

Image of PUI Audio's Audio Kits for Design Solutions

PUI Audio offers kits that cover any audio application. Designing audio components can be difficult due to the different sounds, frequencies, and sensitivities. Learn More

Featured Products

Image of PUI Audio AS01508/AS01808 Series Microspeakers

AS01508/AS01808 Series Micro Speakers

PUI Audio’s slim-line micro speakers are purpose-built for space-limited, modern electronics, such as smartphones, tablets, and laptops, as well as wearable technology and IoT devices, such as Wi-Fi-enabled thermostats. Learn More

Image of PUI Audio SMT-0440 Series Transducers

SMT-0440 Series 4 x 4 x 2 mm Surface Mount Transducers

PUI Audio, Inc. pushes the envelope of audio transducer design by shaving the size of their already small SMT-0540 transducers down 20% with their new SMT-0440 series surface-mount transducers, adding sound to even smaller devices than ever before. Learn More

Newest Products View All (22)

Image of PUI Audio's Sound eXciters Speakers

Sound eXciters Speakers

PUI Audio’s large high-output sound eXciters are designed for applications that demand loud sound with high fidelity, while remaining completely hidden.

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Image of PUI Audio's Piezoelectric MEMS Microphone

Piezoelectric MEMS Microphone

PUI Audio's piezoelectric MEMS microphone is suitable for voice user interface, IoT products, wearables, smartphones, and smart home devices.

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PUI Audio Sound Solutions

Your Total Sound Solution

PUI Audio has a large portfolio of audio components including audio sound eXciters and a variety of other products that create a total sound solution.

Learn More
Image of PUI Audio's Full Range Point-Source Speakers

Full-Range, Point-Source Speakers

PUI Audio’s full-range, point-source speakers are designed for audio applications where maximum output and high resolution response are required.

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Image of PUI's Audio eXciter

Audio Sound eXciters

PUI’s audio sound eXciters transform nearly anything into an audio generating device without the challenges of speakers and are driven just like a speaker.

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Image of PUI Audio's Ultrasonic Receivers, Transmitters, and Benders

Ultrasonic Receivers, Transmitters, and Benders

PUI Audio’s ultrasonic sensors are used in distance measuring, fluid flow and fluid-level systems, ultrasonic cleaning systems, or for detecting glass breakage.

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Product Training Modules View All (5)

Image of PUI Audio SMT-0440 Series Transducers

SMT-0440 Series Surface Mount Transducers

Duration: 5 minutes

PUI's electro-mechanical surface mount transducers, the SMT-0440 series, are ideal for reducing the size of a hand-held device without sacrificing audible output, battery life, or functionality.

Enclosed speakers

Enclosed Speaker Components

Duration: 5 minutes

Highlighting the components' operation and the benefits of the new speaker offerings from PUI Audio.

SMT-0540-T-2-R BUZZER MAGNETIC 3V 5MM SMD

SMT-0540 Series Surface Mount Transducers

Duration: 5 minutes

This transducer offers sound output comparable to three times the size of the component, making it a ideal for the shrinking sizes of handheld devices.

BUZZER MAGNETIC 3.6V 8.5MM SMD

Side-Firing Washable Surface Mount Transducers

Duration: 5 minutes

Even when standard solder pastes are used, component can be washed in high pressure without damaging the audio device.

Featured Videos View All (6)

PUI Audio Ultrasonic Receivers, Transmitters, and Benders | Digi-Key Daily

PUI Audio's ultrasonic receivers, transmitters, and benders are designed for high frequency sensing in distance measuring, fluid flow, and fluid-level systems.

PUI Piezoelectric Ultrasonic Sensors – Another Geek Moment

A look at PUI Audio’s piezoelectric ultrasonic sensors and how piezoelectric ultrasonic sensors are integrated into a circuit.

PUI Audio Sound eXciters | Digi-Key Daily

PUI Audio Sound eXciters audio generators can be used on nearly any surface, don't need enclosure openings or perforations, and are easy to add to any design!

PUI Speaker Enclosures - Another Geek Moment Product Preview

PUI Audio introduces a new series of high quality, hassle free, loudspeaker enclosures.

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