Does it have the option to connect the siren to the vehiacle horn?

Yes, it has a wire coming from the controller that attaches to the horn relay. there is a switch on the controller that if set to siren and you blow the car horn the siren will sound instead.

Is the siren speaker waterproof?

The speaker is, but not the siren unit.

It keeps saying "hands free". Where is the part that doesn't require your hands??

You can wire the siren box in-line between the horn button on your steering wheel and the horn relay of your vehicle to activate the horn function on the siren unit using the horn button on your steering wheel. The hands free horn activation refers to not needing to take your hands off of the steering wheel to activate the siren horn. Hope this helps.

how can an additional mic be added?

The Unit has 12v running through each wire going to the radio. Keep that in mind if drinking around with it. Burnt out two amps trying to add some features

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SoundAlert 12V 100W Police Siren PA System Kit [118-124dB Slim Speaker] [2 x 16A Aux Switch] [Hands-Free Air Horn] [PTT Mic] [Radio Rebroadcast] Warning Emergency Siren for Fire Tow Food Truck UTV ATV

SoundAlert 12V 100W Police Siren PA System Kit [118-124dB Slim Speaker] [2 x 16A Aux Switch] [Hands-Free Air Horn] [PTT Mic] [Radio Rebroadcast] Warning Emergency Siren for Fire Tow Food Truck UTV ATV

Product ID: 210603839

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Details

Brand
LAMPHUS
Item dimensions L x W x H
10.25 x 8.25 x
Connectivity Technology
Wired
Color
Black
Compatible Devices
Audio Player

⚡2 x 16A auxiliary switches

📢118-124dB ultra-loud siren

🔊100W amplifier power

Description

🚨 Own the streets with sound that demands respect!

SLIM YET MIGHTY - At just over 2 inches thick, this compact siren fits discreetly on bumpers or behind grilles without sacrificing power.
TOTAL SYSTEM CONTROL - Dual 16A aux switches let you customize and expand your emergency setup beyond just sirens.
STAY CONNECTED ANYWHERE - Radio rebroadcast feature streams your GMRS, CB, or HAM radio through the siren speaker for real-time updates.
SAFETY FIRST HORN OVERRIDE - Integrated horn override lets you activate the air horn with your stock horn button—eyes on the road, always.
COMMAND ATTENTION INSTANTLY - 100W amplifier delivers powerful wail, yelp, and hi-low tones that cut through any urban noise.

The SoundAlert 12V 100W Police Siren PA System Kit is a professional-grade emergency siren featuring a powerful 100W amplifier, ultra-loud 118-124dB output, and dual 16A auxiliary switches for expanded control. Its slim design fits easily on vehicles, while the horn override and radio rebroadcast functions enhance safety and connectivity for fire, tow, food truck, UTV, and ATV applications.

Specifications

Mounting Type	Wall Mount
Power Source	Corded Electric
Connector Type	Pigtail
Material	Steel
Number of Channels	2
Audio Input	Built-in Mic, PTT Mic
Noise Level	124 Decibels
Manufacturer	LAMPHUS
UPC	816159026811
Item Weight	10.25 pounds
Product Dimensions	10.25 x 8.25 x 6 inches
Item model number	SASN01 Rev.1-SASP05
Manufacturer Part Number	SASN01 Rev.1-SASP05
Voltage	12 Volts
Wattage	100 watts

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