Audio & Infotainment
Harley Sound Systems
Boom! Box and its generations.
Harley-validated
Timeline
- Harman Kardon (pre-2014)
- Boom! Box 4.3 / 6.5GT (2014-2018)
- Boom! Box GTS (2019+) with CarPlay
- Wireless CarPlay on some 2022+ models
Safety & cautions
- Sustained volume above 100 dB causes hearing loss — wear earplugs
Average US cost (USD)
- 6.5" speaker upgrade (Rockford Fosgate): $200-380
- 4-channel amp stage 2 kit: $700-1,400
- Dealer Boom Box GTS update: $250-450
Quick questions
Does CarPlay work on Touring?
Yes, models with Boom Box GTS 2019+ via USB cable or wireless (updated firmware).
Where to dig deeper
- Rockford Fosgate H-D kits
- Hogtunes
- J&M Audio