---
product_id: 12897399
title: "Engineering 295SL Series Full Function, Hands-Free Siren"
brand: "whelen"
price: "NT$26987"
currency: TWD
in_stock: true
reviews_count: 8
category: "Whelen"
url: https://www.desertcart.tw/products/12897399-engineering-295sl-series-full-function-hands-free-siren
store_origin: TW
region: Taiwan
---

# 17 tones 12.8 VDC Emergency ready Engineering 295SL Series Full Function, Hands-Free Siren

**Brand:** whelen
**Price:** NT$26987
**Availability:** ✅ In Stock

## Summary

> 🚨 Siren your way to safety with style!

## Quick Answers

- **What is this?** Engineering 295SL Series Full Function, Hands-Free Siren by whelen
- **How much does it cost?** NT$26987 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/12897399-engineering-295sl-series-full-function-hands-free-siren)

## Best For

- whelen enthusiasts

## Why This Product

- Trusted whelen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Design:** Self-contained amplifier designed for under-dash mounting.
- • **Hands-Free Operation:** Enjoy seamless communication with hands-free functionality.
- • **Versatile Sound Selection:** Choose from 17 Scan-Lock siren tones to fit any situation.
- • **Battery Powered Convenience:** Operates on 12.8 VDC for reliable performance.
- • **Emergency Vehicle Compatibility:** Perfectly suited for all emergency vehicles.

## Overview

The Whelen Engineering 295SL Series Full Function Siren is a powerful, hands-free siren system designed for emergency vehicles. It features 17 selectable siren tones, a compact under-dash mountable amplifier, and operates on a reliable 12.8 VDC battery, ensuring you stay heard in critical situations.

## Description

The Whelen 295SL Series is a full-function siren with radio repeat and public address, providing maximum warning protection in a compact design. Engineered as a self-contained unit for under-dash mounting, the 295SL Series is available with a hard-wired or removable microphone. The unit has backlighting to assist in low light conditions.

Review: Great variety of tones - I did not know ordering this siren that there would be even more variety of tones to pick from. This thing is amazing, and outputs the advertised WATTS!
Review: Súper loud - Work nice and fit good in my SUV you can change the Sounds.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001VHRX6A |
| Best Sellers Rank | #63,967 in Electronics ( See Top 100 in Electronics ) #248 in Security Horns & Sirens |
| Control Method | Touch |
| Customer Reviews | 4.9 4.9 out of 5 stars (42) |
| Date First Available | October 4, 2012 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 4.09 pounds |
| Item model number | 295SL100 |
| Manufacturer | Whelen |
| Manufacturer Part Number | 295SL100 |
| Mounting Type | Under Dash Mount |
| Noise Level | 90 Decibels |
| Package Dimensions | 7.52 x 7.44 x 5.94 inches |
| Voltage | 12.8 Volts |

## Product Details

- **Battery Description:** Alkaline
- **Brand:** Whelen
- **Color:** black
- **Compatible Devices:** Emergency Vehicles
- **Power Source:** Battery Powered

## Images

![Engineering 295SL Series Full Function, Hands-Free Siren - Image 1](https://m.media-amazon.com/images/I/4120RPGGiNL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great variety of tones
*by S***E on September 3, 2024*

I did not know ordering this siren that there would be even more variety of tones to pick from. This thing is amazing, and outputs the advertised WATTS!

### ⭐⭐⭐⭐⭐ Súper loud
*by I***Z on June 5, 2023*

Work nice and fit good in my SUV you can change the Sounds.

### ⭐⭐⭐⭐⭐ Love it!
*by S***T on May 22, 2021*

Absolutely love this siren. By far the best sounding siren I’ve owned versus Galls or Carson.

## Frequently Bought Together

- Whelen Engineering 295SL Series Full Function, Hands-Free Siren
- Feniex S-2009 Triton 100W Speaker Hardwire Connected Black

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**Shop now:** [https://www.desertcart.tw/products/12897399-engineering-295sl-series-full-function-hands-free-siren](https://www.desertcart.tw/products/12897399-engineering-295sl-series-full-function-hands-free-siren)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-14*