Those are the two amps and the two rear headrests. You can also see the shift knob for the automatic transmission up there. 
This is the sub location. It's a JL Stealth box with a 10 inch JL in there. Notice the factory picnic table is still included in the set-up, just in case.
After getting new wheels and tires on the CR-V, he decided it would be advantageous to improve the suspension. With that, H&R sport springs and Tokico performance shocks were installed. See?
