Our 10 Best Simplisafe 105db Auxiliary Siren for 2026 [US]

April 2026 Edition

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1

9.7

SimpliSafe 105dB Auxiliary Siren - Compatible with Gen 3 Home Security System

“This simplisafe 105db auxiliary siren is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Auxiliary siren - Scare off trouble and alert the neighborhood and emergency responders with this loud,105db indoor/outdoor siren.
Loud 105dB siren - Stop intruders in their tracks.
Weather-resistant design - In addition to indoor use, this extra siren is weatherized for installation in sheltered areas outdoors.
Simple set up - Peel and stick installation or can install using included hardware. Then follow the steps in the SimpliSafe App.
Long-lasting battery
Compatible with the SimpliSafe Gen 3 home security system

Picked by 397 people today

2

9.5

Requires eufy HomeBase to Operate: Compatible with HomeBase Mini (v4.0.5.2 or above), HomeBase 2 (v3.4.1.2 or above, released after 2021), HomeBase 3 (v3.7.2.6 or above), and HomeBase Pro (v4.1.4.3 or above). Ensure your HomeBase is updated to the latest version for optimal performance.
Loud 110 dB Alarm for Whole-Floor Coverage: Powerful enough to alert the entire floor, ensuring a timely response.
Reliable Power with Backup Battery: The rechargeable battery provides 48 hours of backup during power outages and automatically recharges when power is restored.
Flexible Installation Options: Place on a desk, attach to a wall using the included 3M adhesive strip, or mount with screws.
Expansive Wireless Range with HomeBase: Provides a stable connection with HomeBase at open-air distances of up to 656 ft (200 m).

3

9.5

Model: SD 15W-ULF: Self-contained, surface-mount dual-tone interior siren
Power Supply: 12V DC: Rated power supply with special application
Sound Pressure Level: 82dB at 10 feet, 90dB at 3 meters: Emits a loud sound as an audible signal
Material: ABS: Constructed with durable and robust ABS material
Dimensions: 110mm x 110mm x 55.2mm: Compact and easy to install
Approvals: UL, CUL Listed: Compliance with safety and performance standards
Works with Konnected Alarm Panel: Compatible with Konnected Alarm Panel board

9.7

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Auxiliary siren - Scare off trouble and alert the neighborhood and emergency responders with this loud,105db indoor/outdoor siren.
Loud 105dB siren - Stop intruders in their tracks.
Weather-resistant design - In addition to indoor use, this extra siren is weatherized for installation in sheltered areas outdoors.
Simple set up - Peel and stick installation or can install using included hardware. Then follow the steps in the SimpliSafe App.
Long-lasting battery
Compatible with the SimpliSafe Gen 3 home security system