We are all familiar with Brisbane's Summer Storms. Fortunately, direct strikes rarely happen, but nearby hits to close by power poles can still cause a surge of excess voltage that can fry your nice new technology.
If it’s plugged into the wall, it’s vulnerable — and it can still be vulnerable even if the main power point switch is off
Surges that occur everytime your air-conditioning or fridge power on and off - as well as many other external factors - degrade from the quality and lifespan of your equipment
YOU NEED SURGE PROTECTION WITH FILTERING - Surge protectors "clamp" the current being supplied to your electronics to an appropriate level and your equipment will thank you for it.
Below is an informative video from "Choice TV" explaining surge protection.