--- product_id: 19251541 title: "Piezoelectric Speaker KSN 1142A - Horn Driver" brand: "piezo source" price: "€ 3.38" currency: EUR in_stock: false reviews_count: 2 url: https://www.desertcart.pt/products/19251541-piezoelectric-speaker-ksn-1142a-horn-driver store_origin: PT region: Portugal --- # Frequency Response 1.8kHz-30kHz 400W Power Handling Max Temp 80°C Piezoelectric Speaker KSN 1142A - Horn Driver **Brand:** piezo source **Price:** € 3.38 **Availability:** ❌ Out of Stock ## Summary > 🎉 Elevate Your Sound Experience! ## Quick Answers - **What is this?** Piezoelectric Speaker KSN 1142A - Horn Driver by piezo source - **How much does it cost?** € 3.38 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/19251541-piezoelectric-speaker-ksn-1142a-horn-driver) ## Best For - piezo source enthusiasts ## Why This Product - Trusted piezo source brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Protection circuitry ensures longevity and reliability. - • **Heat Resistant:** Designed to perform even at temperatures up to 80°C. - • **Unmatched Power:** Handle up to 400 Watts without breaking a sweat! - • **High Sensitivity:** 92 dB sensitivity means you get more sound with less power. - • **Crystal Clear Sound:** Experience a smooth frequency response from 1.8 kHz to 30 kHz. ## Overview The KSN 1142A Piezoelectric Speaker is engineered for high performance, featuring a robust power handling capacity of 400 Watts and a wide frequency response range from 1.8 kHz to 30 kHz. With a sensitivity of 92 dB and built-in protection circuitry, this speaker is designed for durability and exceptional sound quality, making it a perfect choice for audiophiles and professionals alike. ## Description The POWERLINE series of speakers incorporate protection circuitry which allows them to be used safely with amplifiers rated as high as 400 W. This results in a product that is practically blowout proof. The KSN 1142A speaker was designed to provide a smooth response over the 2 kHz to 20 kHz range. Review: Works very efficiently for 28KHZ and up. Good for ultrasonics. - work well, using for a super power dog repeller, 28KHZ, they run far away and stop barking, the neighbors can't hear it so they are mystified. Review: Excellent service, have used these in our production for ... - Excellent service, have used these in our production for many years, and pleased to be able to have a regular supply again. Thank you Kelly for your prompt help. ## Features - The POWERLINE series of speakers incorporate protection circuitry which allows them to be used safely with amplifiers rated as high as 400 W. This results in a product that is practically blowout proof. The KSN 1142A speaker was designed to provide a smooth response over the 2 kHz to 20 kHz range. - Frequency Response: 1.8 kHz to 30 kHz - Average Sensitivity: 92 dB at 1m/2.83V (1 watt @ 8ohms) - Maximum Power Handling Capacity: 400 Watts - Maximum Temperature: 80 degrees Celsius - Typical Impedence: Appears as a 0.3 Microfarad - Data Sheets available at: piezosource.com ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B009CETPEM | | Antenna Location | For Home Stereos, For PA Systems, For Professional Audio Equipment | | Audio Driver Type | Piezoelectric Driver | | Audio Output Mode | Stereo | | Best Sellers Rank | #131,896 in Musical Instruments ( See Top 100 in Musical Instruments ) #195 in Guitar Amplifier Speakers | | Brand | Piezo Source | | Color | Black | | Compatible Devices | Laptop, MP3 Player, Smartphone, Tablet, Television | | Controller Type | Corded electric | | Customer Reviews | 3.9 3.9 out of 5 stars (8) | | Enclosure Material | Plastic and Piezo Ceramic | | Frequency Response | 30 KHz | | Impedance | 3 Ohms | | Is Waterproof | FALSE | | Item Dimensions D x W x H | 4"D x 4"W x 4"H | | Item Weight | 4 Ounces | | Manufacturer | Piezo Source Inc | | Model Name | KSN1142A | | Model Number | KSN1142A | | Mounting Type | Flush Mount | | Number of Items | 1 | | Power Source | Corded Electric | | Speaker Maximum Output Power | 400 Watts | | Speaker Size | 1 Inches | | Speaker Type | Component | | Specific Uses For Product | Professional audio applications, live music performances, instrument amplifiers | | Unit Count | 1.0 Count | ## Product Details - **Audio Output Mode:** Stereo - **Brand:** Piezo Source - **Frequency Response:** 30 KHz - **Mounting Type:** Flush Mount - **Speaker Maximum Output Power:** 400 Watts ## Images ![Piezoelectric Speaker KSN 1142A - Horn Driver - Image 1](https://m.media-amazon.com/images/I/41Lml+nylrL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works very efficiently for 28KHZ and up. Good for ultrasonics. *by M***R on July 5, 2017* work well, using for a super power dog repeller, 28KHZ, they run far away and stop barking, the neighbors can't hear it so they are mystified. ### ⭐⭐⭐⭐⭐ Excellent service, have used these in our production for ... *by D***Y on May 10, 2016* Excellent service, have used these in our production for many years, and pleased to be able to have a regular supply again. Thank you Kelly for your prompt help. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/19251541-piezoelectric-speaker-ksn-1142a-horn-driver](https://www.desertcart.pt/products/19251541-piezoelectric-speaker-ksn-1142a-horn-driver) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-02*