4.4K reactions · 334 shares | The iconic Q-Siren® tone has long been the go-to for fire apparatus when it comes to clearing the way for emergency responders. Now, the legendary Q-Tone can also represent authority for command vehicles with the Pathfinder® PF400Q! The PF400Q outperforms other controllers with its powerful 400-Watt capability and four independent 100-watt audio channels, delivering unparalleled performance! | Federal Signal | Facebook