High power explosion proof sounder. Certified for use in a wide range of temperatures from the Ex enclosure is manufactured from with a rugged thermoplastic flare providing a corrosion free and aesthetically pleasing product. Capable of producing 122dB at 1m and with a range of per-tones.
The DB3B includes an integral volume control which is ideal when a lower output is required.
High Standard Quality Fire Alarm Siren Sounder


This conventional strobe sounder a kind of fire alarm notification appliance.

It’s audible and visible to alert the occupants of a fire and warn people for evacuation.
Who We Are ?

ANSORL TECHNOLOGY LTD is a building automatic control system and fire alarm system provider. Over the past years, We have always been dedicated to serving the diverse needs of our customers. Although we started out as a tiny engineering and manufacturing company in China and have grown into a global player in the international safety market, Ansorl continues to work hard to earn your trust and retain your confidence in our product line.

We focus on providing advanced building automatic control system and fire alarm, fire protection system. Orleans works harder to tailor our solutions to meet your needs.

Orleans is an ISO 9001:2008 certified manufacturer with number of testing facilities. We are also planning to expand our manufacturing and testing facilities in China to ensure that our products and manufacturing practices continue to meet the highest standards.Sounder, Siren

We invite you to get to know Orleans better. Experience the best fire alarm technology and solution. We are convinced that you will find Orleans superior to any other detector company in China. You’ll see it in our facilities, in our people, and in the products that Orleans makes. It’s our uncommon commitment to excellence and quality, and to the automation and productivity of our customers.

What We Have ?

  • Conventional and Addressable fire control panel
  • Smoke, heat, gas, flame, beam detector
  • Manual call point and pull station
  • Audio/visual alarm, strobe horn
  • Standalone battery operated fire alarm detectors
  • Explosion-proof and weather-proof fire alarm devices
  • FM200/CO2 gas extinguishing control system
  • Other fire safety products

Why Choose Us Sounder, Siren?

  • Prompt Response.
  • Standard Quality Control System.
  • Sample & Customized Order Can Be Supported.
  • Independant R&D / Manufacturing / Customer Service / Marketing Dept.
  • Direct Control On Materials, Production Status, Quality Checking.
  • Fast Delivery Time for Standard Products.
  • State-of-the-art Technology and Models.

  • re you manufacturer ?
    Yes, our associated factory has more than 10 years production management experience in fire alarm industry.

Do you provide samples ?
Yes, sample for quality test is understandable, tell us your interested models, we will prepare for your study.

How’s your product quality ?
Our QC team responsible for the whole quality supervision during production and inspect the goods before shipment.
We’ve achieved the third party certificates ISO, CE, LPCB etc.

Where are your markets ?
Our customers are from worldwide, covering south/east Asia, south/east Europe, middle east, central/south America and the whole Africa etc.

What kind of shipping methods you choose ?
By international express

How long can I get the goods ?
Normally it takes 3-8 working days. For customized items or bulk orders, it takes more than 15 working days.

Do you provide warranty ?
We provide 12 months warranty, if any item to be found in quality defects, we will provide replacement or repair services.
Electronic sirens: Siren alarm with multiple tones Sounder, Siren

With electronic sirens, the audible signal is generated electronically and depending on the size of the signaling device, is then output via sound capsules, pressure chamber loudspeakers or classic loudspeakers. Auer Signal multi tone alarm sounder offer up to 63 different tones and maximum volume for all the different sounds. Simply select clearly distinguishable signal tones for your area of application, to which different meanings and actions are assigned.

The size of our models varies depending on performance. In our product range you will find electronic sirens in the sizes 30 to 132mm. The mounting of the devices is as simple as it is versatile: horizontally, vertically, on a pole or with an angle for wall mounting.
ASX – the loudest multi-tone siren

The ASX multi tone alarm sounder from our Series A is the loudest multi tone sounder available with a sound pressure of up to 127 dB. The user has a choice of 63 tones, three of them are externally controllable. The square electronic sirens of the Series A convince even in smaller sizes with their loud performance. For additional visual signaling, the Series A models can be combined with beacons from the Series M22 or the Series Q.
Top quality products from Auer Signal, made in Austria

Electronic sirens are developed and produced like all other signaling devices from Auer Signal in our Austrian factory. The multi-tone sirens and alarm sounders are particularly robust and suitable for applications under harsh conditions. Our multi-tone sirens withstand temperatures from -20°C to +70°C and reach, depending on the model, a protection class up to IP66. The signaling devices are used worldwide and convince with their quality and long service life. To place an order, please contact our headquarters or a sales partner in your area.

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