AC-13
| Brand | Heathkit |
| Manufacturer | Heath Company, Daystrom, Incorporated |
| Function | Audio Interface (Headphone/Speaker Switch, Kit) |
| Produced | 1963 |
| Country | United States |
| Signal Path | Analog Hardware |
| Dimensions | 7.6 × 8.3 × 15.2 cm (W × H × D) |
| Weight | 2lbs (Shipped) |
| MSRP (1963) | $9.95 |
| Notes | Allows remote switching from speakers to headphones with level and balance controls of two sets of headphones. |