No French Horn Sign - Prohibition Symbol for Quiet Zones #2299807 (License: Personal Use)

This high-contrast graphic features a blue French horn overlaid with a red prohibition circle and diagonal slash, signaling strict restriction. Below the symbol, the word “No.” in bold red reinforces the message, ensuring immediate comprehension across language barriers. The design follows standard ISO safety signage conventions for auditory restrictions.

Used on signage in libraries, concert halls during rehearsals, hospitals, schools, or residential buildings to enforce quiet policies; matches user intent seeking noise control visuals or regulatory compliance assets.