IToldu & Donut gave you some great info..Here's my $0.02.
Head unit: to many choices, I prefer high-end Kenwood.
Amps: to many choices as well. It really Depends on your mounting location. I love JL Audio, but a lot of people use the alpine 4/500.
Speakers, to many choices.. Make sure you select a well made set, high RMS, are 2 or 3 way speakers & have a built in or attached crossovers.
Try to make sure you are aware of the ohms of the headunit, speakers & amps. You want them to match up.. Ex, 2 or 4ohms. your choice will impact your sound & the longevity of your equipment.
Radio Cradle, control harness & speaker adapter, I recommend HW.
Radio cover, not to many choices. I used Sidecar cycle. It's over prices until you need it.. LoL
Get quality gauge speaker wires.. Walmart had the best prices for me.
Use 4-8 gauge wire for positive & negative wire from the battery to the fuse block then to the amp.
Fuse distribution block that has 4 gauge going in & 4-8 gauge wire out.
Good set of RCA cables, no cheap ones. I got mine from Radio Shack.
Good luck... I'll be calling you soon for a set of rims. 8-)
Sent from Motorcycle.com Free App