Work Safety

yellow safety headphones hanging on a hook.

In today’s blog, we take a closer look at occupational safety in industrial settings. This is a complex and multi-faceted topic essential for ensuring safe and sustainable operations within companies. Through the exploration of some key terms, we aim to provide a general overview based on our operational experience and advocate for an understanding of […]

Meet the people

EN 54-24 Tunnelhorn

In our series ‘The people behind the brand‘, today we talk to Michael Hoff from Product Development at the Mannheim headquarters. Can you briefly introduce yourself? Sure, my name is Michael Hoff. As the technical support, I am here to answer questions from ic audio about speaker product development, in particular compliance with the EN54-24 […]


Cruise ship on the ocean

Maritime Sound Reinforcement Reliable and optimal sound reinforcement on ships, be it ferries or cruise ships, faces unique challenges that affect not only the sound but also the durability of the speakers. In this blog, we take a look at the specific requirements and technical solutions that are relevant to maritime sound, particularly with regard […]

Fire protection

Drone view of streets with skyscrappers and smoke rising up.

Fire Protection Classes according to DIN 4102 and DIN EN 13501 Fire protection is a central concern in the construction industry, as it safeguards lives and minimizes property damage. Two crucial standards that play a significant role in fire protection are DIN 4102 and DIN EN 13501. In this post, we look at these standards […]


Construction site of a big building with a crane and insulation material piled in front.

When it comes to construction projects, ensuring safety, quality, and reliability are of paramount importance. To regulate the construction industry and provide a framework for the manufacturing and marketing of construction products, the European Union (EU) introduced the Construction Product Regulation (CPR). In this blog post, we will explore the scope, purpose, and benefits of […]

Road Tunnel Challenge

West Connex Tunnel Sydney

Loudspeakers in Road Tunnels: Overcoming Sound Obstacles Road tunnels are engineering marvels that ensure efficient transportation, but they also pose unique challenges when it comes to acoustic considerations. The confined spaces, reflective surfaces, and high noise levels in tunnels make it difficult for speakers to deliver clear and intelligible sound. In this blog post, we […]

IP ratings

Today’s article deals with an aspect of product safety that plays a particularly important role in installations in demanding environments. The resistance of the loudspeaker to environmental conditions is essential for long-term safe operation. A central attribute here is the classification of IP ratings. These IP classifications are used to describe the degree of protection […]

2-Way Systems

PRO 150-200/T plus white-EN54

Loudspeakers with 2-way systems are a popular choice for audiophiles who expect high sound quality and precise music reproduction, but they also play an increasingly important role in fixed installations with EN54 speech alarms. But what exactly does “2-way system” mean and what advantages does it offer the user? Let’s first look at the technical […]