EMI and Speakers RSS

What are lumens and why are they the most common measurement of light? Find out if they’re the best way to measure emergency vehicle lighting here.

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Ambulance services, Emergency Warning Lights, EMI, FENZ, Fire and Emergency, Police New Zealand, Radio Interference, RFI, St Johns -

EMI… RFI… WTF? EMI is one of the most irritating sounds on this planet. It stands for Electromagnetic Interference, and can also be known as RFI, Radio Frequency Interference. Or to put it into layman's terms… static. In the emergency warning industry, this pesky noise can cause a genuine problem for first responders during critical radio communication. But what causes EMI and how can we prevent it? The answer is not a simple one. EMI Causes And How To Prevent It High-level engineers have been battling EMI since radio first burst onto the scene. Most power related systems can cause...

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100W Siren Speaker, 200Watt Siren Speaker, Ambulance services, Emergency Warning Lights, Feniex Siren Amp, FENZ, Fire and Emergency, Police New Zealand, St Johns -

Is a 200-watt Siren Twice As Loud As A 100-Watt Siren Speaker? A 200-watt police siren has got to be twice as loud as a 100 watt one right? Or is it? This is one of the most common questions that we receive here at Feniex. Our clients want to know if the upgrade from a 100-watt siren speaker to 200 watts is really necessary. So, we are going to give you the lowdown right now. Is a 200-watt Siren Twice As Loud As A 100 watt Siren Speaker? To truly understand the science behind this question, you need to...

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