The original unit is in working condition, making it a prized find for audiophiles looking for retro tech with modern functionality. Great Product at a Great Price!
| Number Of Earpieces | Double |
| Color | Beige |
| Year Manufactured | 1970s |
| MPN | PRO/4AA |
| Suitable For | DJ, Studio Monitoring |
| Brand | Koss |
| Form Factor | Headband |
| Type | Ear-Cup (Over the Ear) |
| Unit Type | Unit |
| Model | PRO 4AAA |
| Connectivity | 6.35 mm (1/4 in) |
| Features | Stereo |
| Country Of Origin | United States |
What stands out about these ear-cup headphones is how they gently hug your head for easy long sessions.