Sirens and Horns +

Sirens and Horns+ is a Chrome extension that delivers free, high-quality loud sound effects at the press of a button. Use it for fun pranks or to play authentic sirens, alarms, and horn sounds, including police sirens, burglar alarms, ship horns, and truck horns.

Sounds can be saved as ringtones, notifications, or alarms, or assigned to a caller. Highlights: high-quality loud sounds, easy to use, and regularly updated.