"Looking for a factory that can deliver your custom siren speaker or warning horn — with CE certification ready, on-time delivery, and zero IP leaks?"
You've found the right partner. Since 1988, we have been engineering professional acoustic warning solutions for law enforcement agencies, civil defense authorities, maritime operators, and OEM distributors across 50+ countries. We don't just manufacture — we engineer solutions that meet your exact specifications, pass your target market certifications, and arrive at your door on schedule.
Simple. Transparent. Reliable.
| Step | Stage | Timeline | What You Receive |
| 01 | Requirement Discussion — Our engineers review your power specs, voltage, tone type, application, and certification needs | 3 Days | Written technical proposal + preliminary price quote |
| 02 | Sample Design — In-house R&D develops 3D drawings and builds the first prototype using our own molds | 7 Days | Prototype photos & video for your review |
| 03 | Sample Approval — Physical sample shipped for your inspection. Up to 3 rounds of adjustments included | 5 Days | Production-ready confirmed sample |
| 04 | Mass Production — Full production line activated under ISO 9001 quality control. Real-time updates provided | 15 Days | Batch inspection report + production photos |
| 05 | QC & Delivery — 100% acoustic output test + visual inspection before shipment. Export packing applied | 3 Days | Shipping docs + test reports + certificates |
Every Detail. Built Around Your Market.
·Output Power: 30W 50W 100W 200W 300W 400W
·Voltage: 12V DC 24V DC 110V AC 220V AC
·Tone Modes: Wail Yelp Hi-Lo Air Horn PA Voice Custom Digital Tones
·Sound Level: Tuned from 100dB up to 130dB+
·Activation: Standalone Controller-integrated Remote-activated Solar-ready
·Material: ABS PA66 Nylon Die-cast Aluminum Stainless Steel
·Color: Any RAL color code — Black Silver Yellow White or fully custom
·Form Factor: Compact grille-mount Full-size horn Omni-directional tower Marine foghorn
·Branding: Laser engraving Silk-screen printing Custom label Embossed badge
·Mounting: U-bracket Flush-mount Pole-mount Light bar integrated
·Retail box with multilingual instructions & custom branding
·Wiring harness: length, connector type & waterproof rating to spec
·Certifications: CE FCC RoHS IP65/IP67 CCS Marine ISO 9001
·Country standards available for: EU / USA / Australia / Middle East / Southeast Asia
The Engineering Behind Every Custom Order.
| Capability | Details |
| In-house Engineers | 12+ senior acoustic and electrical engineers on staff |
| Patents | 10+ patents covering siren driver units, horn acoustics & housing design |
| Mold Development | Full in-house tooling facility — custom molds ready within 7 days |
| Testing Equipment | Anechoic chamber / IP waterproof tank / Vibration & drop test rig |
| Production Area | 4,000+ sqm dedicated factory floor — no outsourcing |
| Compliance Testing | In-house CE/FCC pre-compliance screening before third-party lab submission |
Your Market Requires It. We Already Have It.
| Certification | Target Market | Products Covered |
| CE (EMC + LVD) | Europe / EU / Global | All siren speakers, warning horns, light bars |
| FCC Part 15 | USA / Canada / North America | Electronic siren controllers, PA systems |
| RoHS Compliance | EU / Global | All electronic components & assemblies |
| IP65 / IP67 | All outdoor & weather-exposed applications | Outdoor warning towers, marine sirens |
| CCS Type Approval | Maritime / Marine vessels worldwide | CDD-300 Marine Electronic Foghorn series |
| ISO 9001 : 2015 | Global — all product categories | Full factory quality management system |
We Sign an NDA Before Any Project Details Are Shared.
Your product design, technical specifications, and brand identity are your competitive advantage. Here is our commitment:
your molds are never shared with or used for other clients
your custom model is produced exclusively for your brand
all design files secured in our internal system
our track record speaks for itself
Trusted by Clients Across 50+ Countries.
A leading police equipment distributor required 500 units of dual-tone siren speakers with custom U-bracket mounting, CE certification, and branded black housing. Our team modified the in-house mold within 5 days, delivered certified samples in 12 days, and completed full production in 28 days.
A civil defense authority required a complete outdoor siren tower network with remote activation, solar-ready wiring, national frequency compliance, and IP65 weatherproofing. Full system engineering, production, and on-site acceptance testing completed by our team.
A regional brand required 1,000 units of compact motorcycle siren speakers with vibration-proof housing rated for tropical humidity, custom logo, and retail-ready packaging with multilingual instructions. Full order delivered in 30 days.
A commercial fishing fleet operator required bulk marine foghorns with CCS type approval, corrosion-resistant salt-spray-rated housing, and PA voice broadcast capability. All units certified and individually tested before shipment.
Tell Us What You Need. We Respond Within 24 Hours.
Whether you need 1 prototype or 10,000 units, our engineering team will review your specifications and return a full technical proposal and price quotation — completely free of charge.
To get started, simply share:
Wenzhou Nanfang Electro-Acoustical Equipment Factory JINGWEI Brand — Est. 1988 Specialized in Custom Siren Speakers · Warning Horns · Outdoor Acoustic Warning Systems · Marine Foghorns