4320
| Brand | Matrecs |
| Manufacturer | Matrecs Industries Inc. |
| Function | Speaker |
| Produced | 1982 |
| Country | United States |
| Form Factor | Floorstanding |
| Signal Path | Passive Hardware |
| Dimensions | 37.8 × 83.2 × 26.9 cm (W × H × D) |
| Weight | 53lbs |
| Frequency Response | 30Hz-22kHz |
| Treble | 1" Dome |
| Midrange | 5" Paper Cone |
| Bass | 10" Paper Cone (x2) |
| Sensitivity | 92dB/W/m |
| Impedance (Nominal) | 4Ω |
| Crossover Frequencies | 1kHz, 5kHz |
| Enclosure Type | Bass Reflex |
| Finish | Walnut-grained Vinyl |
| MSRP (1982) | $309 |