Rolled Edge Audio Speaker Grille Panels | Metro Station Waiting Hall Solution

This article explores how CNC processed rolled edge stainless steel audio speaker grille panels enhance safety and public comfort at Guangzhou Metro Line 21. With no sharp edges, exceptional durability, and easy cleaning, they deliver reliable, high-clarity announcements for every passenger—setting a new public transit safety standard.

Rolled Edge Audio Speaker Grille Panels: Public Safety & Durability for Metro Stations

Introduction: Smart Sound, Safer Transit

Metro stations are crowded and dynamic, requiring every detail to prioritize public safety and operational efficiency. CNC processed rolled edge stainless steel audio speaker grille panels eliminate sharp edges, provide robust impact resistance, and deliver crisp, even sound for passenger announcements.

Case Study: Guangzhou Metro Line 21 Waiting Hall

Project Overview

High-traffic metro station with families, commuters, and tourists, including vulnerable populations such as children and the elderly.
Audio systems must broadcast clear, intelligible messages and emergency instructions throughout the space.
Grilles must withstand constant cleaning, accidental bumps, and wear from trolleys and maintenance carts.

Jintong’s Solution

Installed rolled edge speaker grille panels: All edges are smoothly machine-rolled and fully polished, meeting strict public safety and accessibility standards.
Grilles customized for ceiling and wall integration, color-matched to the station’s modern design.
Designed to prevent dust accumulation and ensure no finger- or fabric-catching risk, even in the busiest waiting areas.
Passed extensive public safety and mechanical durability testing, including drop and impact simulation.

Industry Reference: Dezeen: Urban Transit and ArchDaily: Subway Stations highlight the increased use of safe, seamless metal panels in contemporary transit environments.

Project Results

Safety team reports zero edge injuries or complaints from the public after one year of operation.
Maintenance staff praised the ease of cleaning and resistance to impact or deformation.
Passenger surveys noted increased comfort and improved speech intelligibility.

Technical Comparison Table

Feature	Rolled Edge Grille	Standard Edge Grille	Plastic Grille
Edge Safety	Excellent	Fair	Good
Durability	High	Medium	Low
Cleaning Ease	Excellent	Moderate	Moderate
Dust/Fabric Catching	None	Occasional	Low
Passenger Safety	Certified	Not Certified	Not Certified

FAQ: Rolled Edge Grilles for Metro Stations

Q: Are rolled edge grilles suitable for accessible public spaces?
A: Yes, their smooth, rounded profiles meet accessibility and child safety requirements.

Q: Do rolled edges deform over time with high foot traffic and cleaning?
A: No, panels are impact-tested and proven to retain shape and safety in busy transit environments.

Q: Can grilles be replaced or serviced easily?
A: Absolutely, modular design allows for quick maintenance and minimal service disruption.