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Piezo transducers are versatile components used in a wide array of electronic devices for both generating and detecting sound or vibration. Selecting the correct one is crucial for ensuring optimal performance in applications ranging from simple buzzers to complex sensor systems. This guide will help you navigate the key factors to consider when purchasing a piezo transducer.
Perfect for beginner to use as touch-sensors, electronic drum triggers, buzzers, make your own contact mics, also used for watches, cameras, phones, electronic , computer, etc.
These pre-wired piezo pickups are easy to install, foot stompers and other home-made instruments for sound and vibration detection.
Resonant frequency 3.0~5.0+/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity.
Made of brass and ceramic, temperature resistant, stable
Lead Length: 10cm /3.94 Inch.Package Contents: 10 PCS.
You will get 20 pack 20mm piezo disc transducer with 58.5mm/2.3 inch leads
Made from brass and ceramic materials, these piezo discs deliver outstanding temperature resistance and long-lasting performance for your musical projects.
Pre-wired for easy installation, making it easy to integrate into your acoustic pickups, foot stompers, and contact microphones.
With a resonant frequency of 5.8 +/- 0.7 KHz, enjoy high sensitivity and low power consumption for exceptional audio output.
Suitable for hobbyists of any skill level, these versatile pickups can serve as touch sensors, electronic drum triggers, and contact microphones for various creative uses.
πππ₯π’πππ₯π πππππ«π’ππ₯π¬: The piezo discs transducer is made of brass and ceramic, it is sturdy and can guarantee long-term use, low power consumption and high sensitivity
ππ¨π§π¬π’π¬πππ§π πππ«ππ¨π«π¦ππ§ππ: Resonant frequencies by size: 20mm (6.0Β±0.7 KHz), 27mm (3.5Β±0.5 KHz), 35mm (1.8Β±0.3 KHz), 41mm (3.0~5.0Β±0.5 KHz). Max resonant impedance 300 ohms, with low power...
πππ¬π² ππ¨ ππ¬π: These piezo elements are pre-wired for easy installation and are ideal for acoustic instrument pickups, foot stompers, contact microphones and other home-made instruments for sound vibration detection
This piezo pickup set includes 20pcs 20mm piezo sensor discs, each pre-wired with 3.94-inch leads for effortless installation
Crafted from brass and ceramic materials, each piezo microphone disc delivers temperature resistance and long-lasting performance. This piezo speaker transducer ensures clear audio output for your musical projects
Versatile and beginner-friendly, these piezo pickup discs can be used as touch sensors, electronic drum triggers, or contact microphone pickups for DIY electronics. The pre-soldered wires make installation quick and easy, whether you're building a custom...
Designed for hobbyists and professionals alike, this piezo sensor pack offers wide application in acoustic instrument pickups, foot stompers, and homemade contact microphone systems. The compact 20mm diameter fits snugly into tight spaces, while the...
Each piezo disc transducer measures 20mm in diameter, making it lightweight and portable for any project. Whether you need a piezo microphone for sound detection or a piezo speaker for vibration feedback, this set delivers reliable results with every use
Complete 32-Piece Kit with 4 Sizes: Get 32 pre-wired piezo discs in 4 versatile sizes (20mm, 27mm, 35mm, 41mm), 8 pieces each. This comprehensive pack is ideal for various DIY projects.
Premium Brass & Ceramic Construction: Crafted from durable brass alloy, these piezo transducers are built for longevity and consistent performance. They feature low power consumption, high sensitivity for clear audio capture.
Pre-Wired for Immediate Use: Each piezo disc comes with attached leads for quick and hassle-free installation. Simply connect them to your projectβperfect for creating acoustic instrument pickups, contact microphones, drum triggers, foot stompers, or...
Versatile Piezo Sensor & Pickup Applications: An essential component for makers and musicians! Use these as a sensitive piezo sensor in DIY electronics or as a powerful piezo pickup to electrify acoustic guitars, ukuleles, or percussion. Great for...
Detailed Specifications for Optimal Results: Resonant frequencies by size: 20mm (~6.0 KHz), 27mm (~3.5 KHz), 35mm (~1.8 KHz), 41mm (~3.0-5.0 KHz). Gold-color brass disc, lightweight design. Package includes 32 discs, ready for your creative sound...
What you will get: 20pcs 20mm piezo discs. Resonant frequency: 5.8 KHz. Resonant Impedance: max 300 Ohms. Leads length: 3.94 inch/100 mm. These piezo discs are light and easy to use.
Good material: The piezo discs transducer is made of brass and ceramic, it is durable and can guarantee long-term use, low power consumption and high sensitivity.
Easy to use: These piezo elements are pre-wired for easy installation and are ideal for acoustic instrument pickups, foot stompers, contact microphones and other home-made instruments for sound vibration detection.
Wide Application: The piezo discs are perfect for beginner to use as touch-sensors on DIY projects, it is fun to turn acoustic instruments into electric sound, great for installing on cigar box guitars, drum triggers etc.
If you are not satisfied or have any questions, please feel free to contact us to get a satisfied solution. Cheerock will be happy to assist you and reply within 24 hours.
What you will get: 20pcs 20mm piezo discs. Resonant frequency: 3.2 KHz. Leads length: 3.94 inch/100 mm. These piezo discs are light and easy to use.
Good material: The piezo discs transducer is made of brass and ceramic, it is durable and can guarantee long-term use, low power consumption and high sensitivity.
Easy to use: These piezo elements are pre-wired for easy installation and are ideal for acoustic instrument pickups, foot stompers, contact microphones and other home-made instruments for sound vibration detection.
Wide Application: The piezo discs are perfect for beginner to use as touch-sensors on DIY projects, it is fun to turn acoustic instruments into electric sound, great for installing on cigar box guitars, drum triggers etc.
If you are not satisfied or have any questions, please feel free to contact us to get a satisfied solution. Cheerock will be happy to assist you and reply within 24 hours.
The sound pickup is high-quality 50mm Piezoelectric ceramic disc transducer,It is very large and can collect a wider range of sound in case you are sure where are the best parts of the sounds.
This is a pre-wired, pre-soldered piezo and jack harness which make it easy for you. All you have to do is to attach the piezo in or on your build, drill a hole and mount the jack. Then you're done!Fit for most st music instruments such as Guitar Mandolin...
Installation instruction:1 Take the plastic film down from the back of transducer to expose the adhesive, 2 Place the transducer through the sound hole to the lower part of the front body where the guitar produces the best tonal response,3 Drill a hole...
Ensure great tone: pickup piezo transducer with metal material body will enhance the sound of your guitar or ukulele with the advantage of being able to eliminate interfering external sounds and not be influenced by sound reflections from nearby objects...
No soldering required, just drill two hole for the jack glue on the piezo.
Perfect replacement: nice replacement part for your instrument. Which fit for most string music instruments such as Guitar Mandolin Cigar box Guitar Violin Ukulele Banjo, etc. Great accessory for guitar enthusiasts.
Premium material: made of high quality material, which is wear-resistant, durable and also eco-friendly with exquisite design and workmanship.
Large piezo has double stick tape mounted,works great.
High mechanical Q-value, high conversion efficiency
Large amplitude
Positive electrode: located in the middle of the voltage ceramic sheet, the negative electrode is close to the metal parts
The oscillators are directly connected in parallel with each other, that is, the positive pole is connected to the positive pole, and the negative pole is connected to the negative pole. If the connection is wrong, it will not work and have no response.
There is no need to use additional insulating material between the transducer and the metal surface, just fix it with glue
Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Piezo Transducers
Understanding Piezo Transducer Types
Piezoelectric transducers operate on the piezoelectric effect, converting electrical energy into mechanical energy (as a sounder or speaker) or vice-versa (as a sensor). They are broadly categorized into:
Active Transducers: These require an external electrical signal to produce sound or vibration. They are commonly used as buzzers, alarms, and speakers.
Passive Transducers: These generate an electrical signal when subjected to mechanical stress or vibration. They are ideal for use as sensors, microphones, and vibration detectors.
Key Specifications to Consider
When evaluating piezo transducers, several specifications are paramount:
Operating Voltage: The voltage range the transducer can safely handle.
Frequency Response: The range of frequencies the transducer can effectively generate or detect.
Sensitivity: For passive types, this indicates how well it converts mechanical input into an electrical output. For active types, it relates to sound pressure level (SPL) output at a given voltage.
Sound Pressure Level (SPL): For active transducers, this measures the loudness of the sound produced.
Capacitance: An important electrical characteristic that affects how the transducer interacts with driving circuitry.
Dimensions and Mounting: Ensure the physical size and mounting method are compatible with your project.
Application-Specific Needs
The intended use of the transducer will heavily influence your choice:
Audio Output: For buzzers or speakers, focus on SPL and frequency range for audible alerts.
Sensing: For vibration or acoustic sensing, prioritize sensitivity, frequency response, and durability.
Environmental Factors: Consider operating temperature, humidity, and potential exposure to chemicals if the transducer will be used in harsh conditions.
Comparison Tips
When comparing different piezo transducers, it's helpful to:
Read Manufacturer Datasheets: These provide detailed specifications and performance curves.
Check User Reviews: Look for feedback on reliability, ease of integration, and actual performance in similar applications.
Match to Your Circuitry: Ensure the transducer's electrical characteristics (like impedance and capacitance) are compatible with your driving or sensing electronics.
Consider Durability: If the application involves frequent actuation or harsh environments, opt for more robustly constructed models.
Frequently Asked Questions
What is the difference between a piezo buzzer and a piezo speaker?
A piezo buzzer typically produces a single tone or a set of pre-defined tones, acting as an alert device. A piezo speaker, on the other hand, can reproduce a wider range of frequencies and is capable of producing complex sounds or speech when driven by an appropriate signal.
Can piezo transducers be used for high-frequency applications?
Yes, many piezo transducers are designed for high-frequency operation, making them suitable for ultrasonic applications, specialized sensors, and high-frequency signal generation. Always check the frequency response specifications on the product's datasheet.
How do I connect a piezo transducer?
Connection methods vary, but typically involve soldering wires to the terminals or using spring clips. Active buzzers often have positive and negative leads, while passive elements may have two terminals for signal sensing or an integrated circuit board.
What does 'piezoelectric effect' mean?
The piezoelectric effect is the ability of certain materials to generate an electric charge in response to applied mechanical stress, and conversely, to deform when an electric field is applied. This is the fundamental principle behind how these transducers work.
Are piezo transducers waterproof?
Some piezo transducers are designed with encapsulation or sealing to provide resistance to moisture and environmental elements. However, not all are inherently waterproof, so it's essential to check the product's specifications for its environmental ratings.
What is the typical lifespan of a piezo transducer?
The lifespan can vary significantly based on the quality of the transducer, the application, and how it's used. For standard audible buzzers, they can last millions of cycles. For sensor applications, lifespan is often determined by mechanical fatigue and environmental exposure.
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