---
product_id: 19251539
title: "Piezoelectric Speaker KSN 1152A - High Output Alarm Annunciator"
brand: "piezo source"
price: "VT9514"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/19251539-piezoelectric-speaker-ksn-1152a-high-output-alarm-annunciator
store_origin: VU
region: Vanuatu
---

# Waterproof High Output Extreme Temp Range Piezoelectric Speaker KSN 1152A - High Output Alarm Annunciator

**Brand:** piezo source
**Price:** VT9514
**Availability:** ✅ In Stock

## Summary

> 🔔 Sound the Alarm: Your Ultimate Alert Solution!

## Quick Answers

- **What is this?** Piezoelectric Speaker KSN 1152A - High Output Alarm Annunciator by piezo source
- **How much does it cost?** VT9514 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/19251539-piezoelectric-speaker-ksn-1152a-high-output-alarm-annunciator)

## 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:** Rugged polyester cone and glass-reinforced housing ensure durability in harsh environments.
- • **High Sensitivity:** Achieve an impressive average sensitivity of 98 dB at 10 ft, making your alarms impossible to miss.
- • **Extreme Weather Warrior:** Operational in temperatures from -40C to 105C, this speaker thrives where others fail.
- • **Unmatched Sound Clarity:** Experience crisp, high-frequency alerts with a frequency response of 2 kHz to 4 kHz.
- • **Versatile Power Handling:** Handles up to 60 V p-p intermittent, perfect for various applications.

## Overview

The KSN 1152A Piezoelectric Speaker is a high-output alarm annunciator designed for exceptional performance in demanding environments. With a frequency response of 2 kHz to 4 kHz and an average sensitivity of 98 dB, it ensures clear alerts. Its waterproof design and rugged construction make it ideal for industrial applications, while its operational range from -40C to 105C guarantees reliability in extreme conditions.

## Description

The KSN 1152A alarm annunciator is manufactured with high density PZT ceramic materials to achieve exceptional performance characteristics including high output and high impedance. A rugged, industrial grade polyester cone in conjunction with a glass reinforced polyester housing is used, rendering the KSN 1152A completely waterproof and suitable for harsh environmental applications.

## Features

- The KSN 1152A alarm annunciator is manufactured with high density PZT ceramic materials to achieve exceptional performance characteristics including high output and high impedance. A rugged, industrial grade polyester cone in conjunction with a glass reinforced polyester housing is used, rendering the KSN 1152A completely waterproof and suitable for harsh environmental applications.
- Datasheets available at: www.piezosource.com.
- Frequency Response: 2 kHz to 4 kHz
- Average Sensitivity: 98 dB at 10 ft. with 18 V p-p sq. wave
- Drive Voltage (sq. Wave): 50 V p-p continuous 60 V p-p intermittent (50% duty cycle)
- Environmental: Operational -40C to 105C at 95% RH
- Typical Impedance: Appears as a 0.14 microfarad capacitor

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 0.2 Pounds |
| Is Waterproof | True |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Manufacturer | Piezo Source Inc |
| Part Number | KSN1152A |
| Item Weight | 3.2 ounces |
| Product Dimensions | 2.03 x 2.03 x 0.94 inches |
| Item Package Quantity | 1 |

## Images

![Piezoelectric Speaker KSN 1152A - High Output Alarm Annunciator - Image 1](https://m.media-amazon.com/images/I/41+Av487PHL.jpg)

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**Shop now:** [https://www.desertcart.vu/products/19251539-piezoelectric-speaker-ksn-1152a-high-output-alarm-annunciator](https://www.desertcart.vu/products/19251539-piezoelectric-speaker-ksn-1152a-high-output-alarm-annunciator)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-21*