AD-2550
| Brand | Heath, Heathkit |
| Manufacturer | Heath Company, Zenith |
| Function | Effect (Surround Processor, Kit) |
| Produced | 1989 |
| Country | United States |
| Form Factor | Standard Width |
| Signal Path | Analog Hardware |
| Dimensions | 43.2 × 7 × 21.6 cm (W × H × D) |
| Weight | 12lbs |
| MSRP (1990) | $199.95 |