Comparison: Harman Kardon Citation Sub vs SpeedLink Gravity Carbon RGB
| Harman Kardon Citation Sub | SpeedLink Gravity Carbon RGB | |
 |  | |
| Brand | Harman Kardon | SpeedLink |
| See Lowest Price | See Lowest Price |
This comparison of Harman Kardon Citation Sub and SpeedLink Gravity Carbon RGB was last updated on August 13, 2025.