MP 20
| Brand | Martin Persson |
| Manufacturer | Ingenjörsfirma Martin Persson A/B |
| Function | Speaker |
| Country | Sweden |
| Form Factor | Bookshelf / Stand Mounted |
| Signal Path | Passive Hardware |
| Dimensions | 30 × 46 × 30 cm (W × H × D) |
| Frequency Response | 30Hz-20kHz |
| Treble | 2.5cm Dome |
| Midrange/Bass | 20cm Paper Cone |
| Impedance (Nominal) | 4Ω |
| Crossover Frequency | 4kHz |
| Power Handling | 40W |
| Enclosure Type | Sealed |
| Enclosure Volume | 27l |