ThunderWave 100W Emergency Police Siren Speaker Kit - Compact 100W

In this review the ThunderWave 100W Emergency Police Siren Speaker Kit is evaluated for drivers, fleet managers and off-road vehicle owners who need a compact, loud and flexible 12V warning system. The bottom line: the kit delivers a powerful single-speaker output and a versatile controller that suits pickups, UTVs and emergency response vehicles, with the clearest benefit being its combination of high SPL and multiple control options that make installation and daily use straightforward.

Key Features

• High output speaker: The compact siren speaker produces between 126-134 dB across 500-5000 Hz, providing an unmistakable warning tone for road or off-road use.
• SAE-rated amplifier: The included siren amplifier meets SAE J1849 guidance, giving a standard-based core for emergency vehicle applications.
• Remote-mount controller: The controller offers multiple mounting options and keeps controls off the crowded dash while still providing five siren tones and radio rebroadcast.
• Auxiliary circuits: Two 15A aux light switches let users power and control additional warning lights or accessories from the same kit.
• Audio input: A 3.5mm audio jack enables rebroadcast of external audio sources like a phone or Bluetooth receiver, expanding the unit beyond preset tones.
• Custom power and lighting: Manual or automatic power-up modes plus customizable LED backlighting let installers tailor behavior and appearance to preference.

Who It's For

The ThunderWave kit is best for small fleet vehicles, single-vehicle responders and off-road operators who need a compact but loud siren and flexible control options. Its SAE-rated amplifier and 100W speaker make it appropriate where a single-speaker setup is acceptable and space is limited.

It is less suited for users who require multi-speaker public address coverage for large areas or who need a turnkey, plug-and-play system with no wiring work; installation requires basic vehicle wiring and mounting considerations and some users note mixed experiences with control button durability.

Pros & Cons

Pros

• Very loud and clear output that customers consistently praise for sound quality and voice clarity.
• Flexible controller with radio rebroadcast, horn override and PTT mic gives good operational control.
• Auxiliary 15A circuits and 3.5mm input add real utility for lights and external audio sources.

Cons

• Some users report mixed longevity for control buttons, so long-term durability may vary.
• Single-speaker setups may not meet every coverage requirement compared with multi-speaker systems.

Specifications

Our Verdict

The ThunderWave 100W kit is a sensible choice for drivers and small fleets that need a compact, high-output siren system with customizable controls and auxiliary power for lights. It offers strong sound quality, flexible mounting and useful extras like radio rebroadcast for the price, making it a good value for those willing to handle a straightforward install.

Frequently Asked Questions

Can this kit be installed on a pickup or UTV?
Yes. The kit is designed for 12V vehicles including pickups and UTVs and includes a remote-mount controller with multiple mounting options.

Does it support external audio sources?
Yes. The controller has a 3.5mm audio jack that allows rebroadcast from phones, tablets or Bluetooth receivers.

Are auxiliary lights supported?
Yes. Two 15A auxiliary switches are provided to control additional warning lights or accessories.