Comparison: Harman Kardon Citation Sub S vs SpeedLink Gravity Carbon RGB
| Harman Kardon Citation Sub S | SpeedLink Gravity Carbon RGB | |
 |  | |
| Brand | Harman Kardon | SpeedLink |
| See Lowest Price | See Lowest Price |
| Harman Kardon Citation Sub S | SpeedLink Gravity Carbon RGB | |
| | |
| Brand | Harman Kardon | SpeedLink |
| See Lowest Price | See Lowest Price |