Do you have a thread with details on your sub install.
ordering rennline phone holder today, thank you for the link
No I had the electrical done at the shop I bought the speaker, amp and audio control from. I had installed the box already so they gave me a killer deal on the install. They charged me less for everything installed than most shops were quoting me for just the components alone.
I bought the underfloor box off a guy on the forum not realizing it was for an R, which doesn't have a spare tire, so it didn't fit. I swapped out my full size spare for an S8 spare (believe it or not there is a spare in there) and added a round plastic plant dish on top of the spare for storage and it actually worked out really well. I can fit all kinds of stuff under the floor now along with the speaker.
Heat was an issue though so I added a fan in the plastic pocket divider.