US-3
| Brand | Heathkit |
| Manufacturer | Heath Company, Daystrom, Incorporated |
| Function | Speaker |
| Country | United States |
| Model ID | Coaxial Speaker |
| Form Factor | Part |
| Signal Path | Passive Hardware |
| Dimensions | 30.5 × 30.5 × 0 cm (W × H × D) |
| Weight | 7lbs (Shipped) |
| Frequency Response | 50Hz-15kHz |
| Treble | 3" Paper Cone |
| Midrange/Bass | 12" Paper Cone |
| Impedance (Nominal) | 8Ω |
| Crossover Frequency | 1kHz |
| Power Handling | 15W |
| Magnet Weight (Tweeter) | 1.47oz |
| Magnet Weight (Woofer) | 6.8oz |
| MSRP (1960) | $19.95 |