LAMPHUS SoundAlert 12V 100W Police Siren PA System Kit - Powerful
LAMPHUS SoundAlert 12V 100W Police Siren PA System Kit - Powerful
Price subject to change. Tap below for current.
Couldn't load pickup availability
In this review the LAMPHUS SoundAlert 12V 100W siren kit is examined for vehicle and small fleet use; its single biggest selling point is raw audibility combined with flexible control options. The reviewer found the system best for tow trucks, UTVs, vans and service vehicles that need a clearly heard warning signal at distance, because the speakers can reach 118-124dB and the 100W amplifier delivers a strong, intelligible output. Installation is straightforward for someone familiar with vehicle wiring, and the included handheld microphone plus hands-free horn trigger add practical versatility.
Key Features
- 100W amplifier: Delivers consistent power so tones and PA announcements remain loud and clear at range.
- 118-124dB speaker rating: Ensures the siren and horn modes are audible in noisy environments and from a distance.
- Multiple operation modes: Offers Horn, Radio and Siren modes with Yelp, Wail, Hi-Lo and Manual options for adaptable warning patterns.
- Push-to-talk microphone: Provides PA capability for voice announcements and straightforward communication from the driver.
- Auxiliary switches: Two 16A switches allow powering of additional external devices without separate relays.
- Hands-free control option: Can be wired to a vehicle horn button so the siren is activated with a simple push.
Who It's For
The SoundAlert kit is aimed at professionals who need a compact, loud warning system for work vehicles: tow operators, roadside assistance, security vehicles and owners of UTVs or RVs who require an unmistakable alert. The combination of siren tones, manual horn and PA mic makes it useful where both warning and short announcements are required.
Those who should look elsewhere include buyers seeking integrated smart features or cellular connectivity, and people wanting a plug-and-play consumer horn with factory-style connectors; this kit expects basic vehicle wiring knowledge and some installation effort.
Pros & Cons
Pros
- Very loud output and clear sound quality for confident warning performance.
- Flexible operation modes and a push-to-talk mic for both siren and PA use.
- Auxiliary 16A switches add practical expansion without extra modules.
Cons
- Wiring and long-term durability drew mixed comments, so expect to spend time on a careful install and secure connections.
Specifications
| Power | 12V, 100W |
| Speaker loudness | 118-124dB |
| Operation modes | Horn, Radio, Siren (Yelp, Wail, Hi-Lo, Manual) |
| Microphone | Handheld push-to-talk included |
| Auxiliary outputs | Two 16A switches |
| Hands-free | Can connect to vehicle horn button |
Our Verdict
The LAMPHUS SoundAlert 12V 100W kit is a practical, value-oriented choice for work vehicles that need a loud, reliable warning system and simple PA functionality. Its strong audio output, multiple siren tones and auxiliary switches offer real-world utility, though buyers should be prepared to handle wiring carefully to avoid longevity issues. Overall it represents solid value for professionals who prioritize audibility and flexibility over integrated smart features.
Frequently Asked Questions
Can this unit be activated hands-free?
Yes. The system can be wired to a vehicle horn button to trigger the siren hands-free.
Does it include a microphone for PA use?
Yes. A handheld push-to-talk microphone is included for announcements and PA functionality.
Are there extra outputs for accessories?
Yes. Two 16A auxiliary switches are available to power external devices or accessories.
Editor's Take
The LAMPHUS SoundAlert 12V 100W kit is a practical choice for work vehicles needing loud, flexible warning and PA capability; strong audibility and auxiliary outputs deliver solid value, though wiring and durability require careful installation.

Recently viewed
Recently viewed products will appear here as customers browse the store.