Refurbished Horns & Sirens — 38 Deals

38 open-box and refurbished Horns & Sirens deals are live for shoppers in the US right now, with discounts averaging 21% off retail. Prices range from $5 to $541, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include BooYu, YYATYS, Seco-Larm and QWORK. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

38 live US listings.

USA

Whelen

Whelen 295SSA1 Single Tone Siren Control Center - 100-Watt Siren System with 17 Tones

$540¹³

LINOVISION Outdoor Loud Speaker with Built-in Amplifier, Microphone, Red&Blue LED Lights, Enabling Two-Way for Solar CCTV Trailers and IP Cameras

$68¹¹

Seco-Larm SH-816S-SQ/R Enforcer Siren/Strobe with Audio Input, Red

$27⁵⁰

Seco-Larm SH-816S-SMQ/B Enforcer 4-in-1 Multi-Purpose Siren/Strobe, Blue

$49¹²

Joinfworld AC110V 120dB Siren Alarm Strobe Light Plug-in Manual Security Alarm Adjustable Volume Outdoor Waterproof Emergency Strobe Warning Light for Warehouse, Construction Site, Crane

$67¹⁹

Emergency Police Car Pa System Kit, 400W Multi‑Tone Car Alarm Horn PA Speaker with Handheld Mic, Siren Speaker for Firefighter Ambulance Vehicles Truck SUV ATV UTV

$127⁹⁹

Daytech Panic Button Alarm, Strobe Siren Alarm Home Caring, Loud Outdoor SOS Alert System with 2 Red Flashing Siren and 5 Remotes Panic Button, for Store/Home/Hotel/Jewelry/Shop Security Alarm

$76⁰²

150W Emergency Vehicle Siren with PA System - 108-134dB Police/Fire Truck Sirens, Yelp/Wail/Hi-Lo Modes, IP67 Waterproof, Includes Mic & Speaker for Car PA Systems | Truck pa System kit

$61⁶²

BANHAO Police Siren for Car Truck 12V Remote Control PA System Kit Wireless

Used

$59⁹⁹

$72.99

-18% Save $13.00

Update: 20 hours 58 mins

Buy at Amazon.com

USA

ADT Blu

ADT Blu Indoor Siren, DIY Smart Home Security, 105dB Alarm Extender, One-Go/All-Go Technology, Tamper Alerts, Easy Install, ADT+ App Control, Professional Monitoring Available

$37⁶²

BooYu 200 Watt High-Performance PA Siren Horn Speaker [Black Steel] [8 Ohms] [125-135 dB] [IP66 Waterproof] [Compatible with 100-200 Watt Siren] for Car, Vehicles

$19²⁰

Police Personal Safety Alarm 130dB Rechargeable Emergency Self Defense Keychain with LED Flashlight & SOS for Women, Men, Kids & Seniors, Pink

$7³³

BooYu 9 Tone 12V 200W Warning Emergency Police Siren PA System [180° Loud Speaker][Handheld Microphone][Hands-Free][125-135dB][2 x 10A Switches] for Firefighter Ambulance Vehicles Truck SUV ATV UTV

$40⁴⁰

ePathChina 7 Sounds Loud Car Warning Alarm Police Fire Siren Horn Speaker with Brown Remote Controller 12V 100W (2PCS Remote Controller)

$14⁴²

Outdoor Siren Speaker With 150 High Decibels, Security Horn, 12v Alarm System With Adjustable Angles for Increasing Sounds, for Home Security and Building Intercoms

$17⁹⁶

Police Siren for Car 8 Tones Warning Emergency Siren PA System with Handheld Microphone 12V 200W for The Ambulance,Fire Truck,Engineering Siren for Vehicle

$39⁹⁹

HELPHIER Rechargeable Personal Safety Alarm for Women, Loud Siren Birdie Sound, Strobe SOS LED Light, USB Charging, Be Safe with Personal Alarm Keychain for Wife, Daughter, Student, Aqua

$7⁶¹

BooYu 200W High-Performance PA Siren Horn Speaker [180 Degree Design] [8 Ohms] [125-135 dB] [IP66 Waterproof] [Compatible with 100-200 Watt Siren] for Car, Vehicles

$24¹⁸

KERWINN Car Siren Horn 7 Tone with Microphone ,Alarm Horn Siren 12V 100W Emergency Amplifier with Mic PA Speaker System Loud Car Alarm Police Ambulance Fire Hooter Traffic Sound

$14⁴³

2 Pack Power Failure Alarm and Power Back Alarm with Function Switchable, 0~120dB Adjustable Audible/Visual Monitor, Power Monitoring System Perfect for GFI/GFCI Trips, Freezer, Pump, Aquarium

$32²²

120dB Adjustable Motion Sensor Alarm with 3–6 m Human Detection

$75²¹

JAMTON 200W 12V 9 Tone Emergency Siren System, Rectangle Speaker Horn, Handheld Microphone, for Emergency Vehicles, Construction Vehicles, Pickup trucks

$45⁵³

QWORK Hand Crank Siren Horn, Hand Loud Crank, Emergency Safety Manual Siren, Portable Hand Held Siren Horns Alarm, Loud Mechanical Alarm for Factory, School & Outdoor Use

$23⁷⁷

EEMB 3.6V Lithium D Batteries ER34615M-T1 D Size Li-SOCL₂ Battery Compatible with DSC WT4911 WT4911B WT8911 ALEXOR Wireless Outdoor Siren WT4911BATT ADT

$12³⁹

Horns & Sirens open-box FAQ

How much can I save on open-box Horns & Sirens?

Discounts on Horns & Sirens at OpenBoxFox currently average 21% off retail across 38 live listings, with prices from $5 to $541. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Horns & Sirens safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Horns & Sirens brands are on sale open-box right now?

The most-listed brands in Horns & Sirens at the moment are BooYu, YYATYS, Seco-Larm, QWORK and Baomain. New open-box inventory arrives daily, so brand availability changes often.

How often are Horns & Sirens deals updated?

OpenBoxFox syncs Horns & Sirens inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.

Open-Box & Refurbished Electronics — Real Savings, Verified Quality

Electronics are one of the best categories to buy open-box or refurbished. Devices are thoroughly tested before resale, and many are returned simply because a buyer changed their mind — meaning you get a product in like-new condition at a significant discount. OpenBoxFox aggregates open-box electronics from Amazon Warehouse, Reebelo, and Dyson so you can compare deals in one place without checking each retailer separately.

Tested and verified

Every open-box and refurbished electronic listed here has been inspected and confirmed functional by the retailer before resale.

Significant savings

Open-box electronics typically sell for 15–40% below retail. Refurbished units can save you even more on flagship devices.

Backed by major retailers

Items come from Amazon Warehouse, Reebelo, and Dyson — established retailers with buyer protection policies and return windows.

Updated daily

Inventory changes fast. We refresh listings daily so you always see current availability and up-to-date pricing.

Browse the full selection above and use filters to narrow by condition, price, or brand.

Shop more: Refurbished Electronics · Refurbished Security & Surveillance