I'm not sure what car the radio is going into, but if it's "double din*" then don't get suckered into a "universal mounting kit**".

in the lower model 6th gen accords, they got this cool din pocket with door to fill gaps.

these run for $18 ordered from the dealer, under $10 if you search ebay hard enough.

much better than the other option,

a pocket, with no door.



* the Alpine radio chose is "single din" basically, if the place you're putting the radio into is 2x the size of the radio, you have "double dins"

** universal mounting kits proved an extra "pocket" to fill the space for the extra din. without anything there, you'll have an exposed hole under your radio.