
Manufacturer of electronic sirens, alerting systems and EMS services in Eggenfelden
SONNENBURG ELECTRONIC AG
Lauterbachstraße 45, 84307 Eggenfelden · DENew on Amplifa
About Sonnenburg
SONNENBURG ELECTRONIC AG, headquartered in Eggenfelden in Lower Bavaria, is a manufacturer of comprehensive alerting and public warning systems. Core products include electronic sirens (SES and SDS series, 300 to 4800 watts), analog and digital siren control receivers, remote-control receivers and stationary radio systems. The sirens are made of seawater-resistant aluminium, can be configured modularly, are low-maintenance and optionally solar-powered. In addition to product manufacturing, the company offers EMS services: SMD and THT PCB assembly, device assembly, control cabinet construction, selective coating of electronic assemblies, and the development of customised electronics solutions on modern production and test facilities. The portfolio is complemented by software such as the LSR siren control centre, the alerting portal and the SESCO sound level planning tool. The alerting systems are used by municipalities, emergency services and industrial companies and are deployed in 25 countries worldwide.
- Site
- Eggenfelden
- Processes
- PCB assembly (SMD and THT assembly), Device assembly, Control cabinet construction (incl. terminal assembly, wiring, functional testing), Selective coating (selective protective coating of electronic assemblies), Development of customised electronics solutions (tailor-made products, conception), Functional testing (production and test facilities, internal test field), Assembly of siren control receivers incl. delivery of TEA2-TETRA end device and service, EMS: PCB assembly (SMD/THT)
- Materials
- Seawater-resistant aluminium, Printed circuit boards & electronic components, Selective protective coating
- Certificates
- ISO 9000/9001, ISO 14001, ISO 9001
- Industries
- Public warning / disaster control, Emergency services, Municipalities/communities, Industrial companies
- 01
Development & Conception
- 02
PCB assembly (SMD/THT)
- 03
Selective Coating
- 04
Device Assembly & Control Cabinet Construction
- 05
Functional Testing
- 06
Service & System Tests
Materials & Processes
Seawater-resistant aluminium
Material of the electronic sirens for durable, low-maintenance systems even under extreme environmental conditions.
Printed circuit boards & electronic components
Assembled using SMD and THT technology and processed into customised electronics solutions.
Selective protective coating
Protects sensitive electronic assemblies against moisture, dust and corrosion.
Locations
Eggenfelden
DEHeadquarters, development and manufacturing
- Lot size
- Small to large quantities
- Materials
- Aluminium, printed circuit boards, electronic components
- Production and test facilities for electronics
- Siren manufacturing facility
- Articulated telescopic truck-mounted work platform GSR-220pxe
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| PCB assembly (SMD and THT assembly)Assembly | – | – | – | small quantities – large quantities | Printed circuit boards, Electronic components |
| Device assemblyAssembly | – | – | – | small quantities – large quantities | Electronic assemblies |
| Control cabinet construction (incl. terminal assembly, wiring, functional testing)Assembly | – | – | – | – | – |
| Selective coating (selective protective coating of electronic assemblies)Surface | – | – | – | – | Electronic assemblies |
| Development of customised electronics solutions (tailor-made products, conception)Engineering | – | – | – | – | – |
| Functional testing (production and test facilities, internal test field)Testing | – | – | – | – | – |
| Assembly of siren control receivers incl. delivery of TEA2-TETRA end device and serviceAssembly | – | – | – | – | – |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Articulated telescopic truck-mounted work platform GSR-220pxe | Rothlehner Arbeitsbühnen GSR-220pxe | 1 | – | – | Eggenfelden |
| Production and test facilities for electronics | – | – | – | – | Eggenfelden |
| Siren manufacturing facility | – | – | – | – | Eggenfelden |
Additional services
Reference customers
Quality & Certification
All project phases from planning through development to assembly take place in-house; extensive tests in the internal test field guarantee functionality. The ISO 9000 and 14001 quality and environmental management systems support the continuous improvement of processes.
| Evidence | Eggenfelden |
|---|---|
| ISO 9001 | |
| ISO 14001 |
History
- 1940er
Foundation of the company
- 2023
Purchase of a GSR-220pxe articulated telescopic truck-mounted work platform from Rothlehner Arbeitsbühnen
- 2024
First complete TETRA siren conversion of a municipality in the ILS Landshut area (market town of Simbach)
- 2025
Construction of a new company building at the Eggenfelden site