LAPD patrol cars will feature ‘low-frequency’ sirens that drivers can ‘feel’

• The Los Angeles Police Department has announced the deployment of new technology within its patrol fleet that aims to significantly enhance emergency response times, mitigate traffic incidents and bolster public safety across the city.
• The department's black-and-white vehicles will now incorporate the Federal Signal Rumbler low-frequency warning system.
• The innovative system operates in conjunction with existing sirens, emitting distinct low-frequency sound waves designed to be both heard and felt by drivers and pedestrians.