FEDERAL SIGNAL AMP/TIMER & 2 SPEAKERS deal LED onboard diagnostic indicators signify

LED onboard diagnostic indicators signify active outputs and blown fuses

Seven flash patterns

or WeCan external amplifier

Polarity Protection: Diode/Fuse

FEDERAL SIGNAL AMP/TIMER & 2 SPEAKERS deal LED onboard diagnostic indicators signifyDescription Rumbler low frequencies deliver up to 10 dB more sound pressure inside civilian vehicles near emergency vehiclegetting attention and clearing traffic more effectively than a standard siren tone Low frequency tones work simultaneously with primary siren Produces penetrating vibrating low frequency sound waves Interacts with most 100 200 W emergency vehicle siren amplifiers Enabled via any emergency vehicle steering wheel horn ring Eight