SirensofSpartanburg's 4/5 Swapped Thunderbolt 1000T Alert & Attack

[@MisterSquirrelWX]

Seriously wish I could hear these where I am in Spartanburg County.

[@MichanaAlerting]

Beautiful sound! This is by far the best sounding 4/5 swapped bolt ive ever seen

[@waterspouts]

Beautiful Siren! Looks Brand New!

[@ThatoneOreoOffcial11]

Running man 2:09

[@Parkerm-u1i]

0:14

[@emrilbennett8704]

Love it!

[@lacrossewieas2411]

Yep it’s here!

[@The_German_Sirens]

That looks like streight out of FS!

[@GrifsProductions]

Id love one like this but I gotta know... What's the power source? How can I make mine not sounds so weak

[@SirensOfSpartanburg]

Mine is single phase 240V 60amps but lots of others are 3 phase

[@thefrankfiles1]

I agree SPC