PX4 Pandora
| Manufacturer | Korg |
| Function | Effect (ToneWorks Series - Multi Effects) |
| Country | Japan |
| Form Factor | Handheld |
| Signal Path | Digital Hardware (including Analog Connections) |
| Notes | The PX4 takes full advantage of Korg's proprietary REMS modeling technology to provide an extensive array of 124 different high-quality effects, and up to seven effects can be used simultaneously. |