Rosy - I'm very familiar with the Samson Sports S7HD speaker. the straight talk is its exactly the same as the Exile XM7. You'll see many threads here on WW on it. It's not a copy or anything bad... quite the opposite. Samson and Exile partnered on the project. They provided their clamping expertise and Exile Audio provided the audio know how to design , build and manufacture the HLCD line of speakers, pods and hardware. End result is a Samson S7HD and Exile XM7.
Several guys here run them and I'll leave it to them to chime in.
If you have any questions about how they fit your new boat or the power you need to run them, shoot me an email to firstname.lastname@example.org
. I'd be happy to answer any questions.