Comparison: JBL Quantum Duo vs SpeedLink Gravity Carbon 2.1
| JBL Quantum Duo | SpeedLink Gravity Carbon 2.1 | |
 |  | |
| Brand | JBL | SpeedLink |
| See Lowest Price | See Lowest Price | |
| Wifi-anslutning | Nej | - |
| JBL Quantum Duo | SpeedLink Gravity Carbon 2.1 | |
| | |
| Brand | JBL | SpeedLink |
| See Lowest Price | See Lowest Price | |
| Wifi-anslutning | Nej | - |