The LEN-20 is a passive 100 volt speaker certified according to EN 54-24 Type B for use in voice alarm systems. Like all products in the Voice Alarm series, it is equipped with a weatherproof, steel-reinforced aluminum housing, making it equally suitable for indoor and outdoor use. The LEN loudspeakers guarantee excellent speech intelligibility and high ranges even in difficult acoustics environments.

Main features

• 2 × coated 4″ chassis
• Uniform directivity
• Suppression of unwanted side lobes thanks to Fohhn Source Division Waveguide
• Weatherproof without additional protection (degree of protection IP65 according to IEC 529 / EN 60529)
• New: Flexible assembly thanks to the T-slot on the rear
• Available in different colors (RAL Classic, Pantone, NCS) or with Fohhn Texture Design
• In order to ensure performance and operational safety, Fohhn system amplifiers including the correct speaker preset are required.