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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.
𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬: 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
𝐂𝐨𝐧𝐬𝐢𝐬𝐭𝐞𝐧𝐭 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞: Resonant frequencies by size: 20mm (6.0±0.7 KHz), 27mm (3.5±0.5 KHz), 35mm (1.8±0.3 KHz), 41mm (3.0~5.0±0.5 KHz). Max resonant impedance 300 ohms, with low power...
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 transducer 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...
𝐕𝐚𝐫𝐢𝐞𝐝 𝐒𝐢𝐳𝐞𝐬 𝐏𝐚𝐜𝐤: 32pcs piezo discs in 4 sizes (20mm, 27mm, 35mm, 41mm) – 8 pieces each. Pre-wired with 60mm leads, lightweight and ready for quick setup
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.
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.
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.
COMPREHENSIVE KIT - The package includes 2 Packs large 50mm piezoelectric ceramic disc transducer with double-sided tape for easy mounting, ensuring you have everything you need to enhance your instrument's sound.
ENHANCED ACOUSTIC TONE - The high-quality piezoelectric transducer with a metal body ensures your guitar or ukulele produces a purer acoustic tone by eliminating external sound interference and avoiding sound reflections from nearby objects.
EASY INSTALLATION - No soldering is required. Simply drill two holes for the jack, attach the piezo with the included adhesive, and you're done. This pre-wired, pre-soldered harness makes the setup process quick and straightforward.
VERSATILE COMPATIBILITY - This pickup is a perfect replacement part for various string instruments, including guitars, mandolins, cigar box guitars, violins, ukuleles, and banjos, making it a great accessory for any string instrument enthusiast.
PREMIUM MATERIALS - Crafted from high-quality, wear-resistant, and eco-friendly materials, this transducer boasts durability and exquisite design, ensuring long-lasting performance and reliability.
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.
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 project—perfect 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...
[High Performance] Resonant frequency 4.6 +/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity
[Easy To Use] These pre-wired piezo pickups are easy to install and use in cigar box guitars, foot stompers and other home-made instruments for sound and vibration detection
[Wide Usage] Perfect for beginner to use as touch-sensors, electronic drum triggers, buzzers, make your own contact mics, also used for watches, cameras, phones, electronic toys, computer, etc
𝐍𝐚𝐭𝐮𝐫𝐚𝐥 𝐒𝐨𝐮𝐧𝐝 𝐀𝐦𝐩𝐥𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧: The piezo discs capture sound through direct contact with the instrument's surface, helping to reduce external interference and feedback. This results...
𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥𝐬: Crafted from a durable combination of high-quality metal electronic components and robust plastic, this piezo pickups transducer set is built for long-term use. These materials ensure the...
𝐒𝐞𝐥𝐟 𝐀𝐝𝐡𝐞𝐬𝐢𝐯𝐞: The self-adhesive design ensures that the installation is more convenient and fast, without batteries or welding, convenient to use
𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐚𝐥 𝐈𝐧𝐬𝐭𝐫𝐮𝐦𝐞𝐧𝐭 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐢𝐥𝐢𝐭𝐲: These acoustic guitar pickup work effectively with a wide range of stringed instruments, including acoustic guitars...
𝐏𝐚𝐜𝐤𝐚𝐠𝐞 𝐂𝐨𝐧𝐭𝐞𝐧𝐭𝐬: This bundle includes 1pcs 3-in-1 and 1pcs 2-in-1 piezo transducer, allowing you to install them on different instruments or keep replacements handy
[High Performance] Resonant frequency 3.0~5.0+/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity.
[Size] Piezo pickup plate diameter 10mm/ 0.39 inches, thickness 0.3mm/ 0.01 inches; small, thin and lightweight, package: 10 Pcs x buzzer film.
[] Made of brass and ceramic, temperature resistant, stable, durable and long service life.
[Easy To Use] These pre-wired piezo pickups are easy to install, foot stompers and other home-made instruments for sound and vibration detection.
[Wide Usage] 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.
Last update on 2026-07-17 / 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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