Replacing NC stock door speakers with JVCs

Hi gang,
Has anyone replaced the stock door speakers in a Mk3 with the JVCs that come from MX5parts?
Is it a tricky job? Anything to beware? I've had a look online & all the videos are a bit different to what I'm doing, I think.
Has anyone replaced the stock door speakers in a Mk3 with the JVCs that come from MX5parts?
Is it a tricky job? Anything to beware? I've had a look online & all the videos are a bit different to what I'm doing, I think.