HIGH FIDELITY AUDIO – 250 ohms / 10-25,000. 1970 - Koss set the standard for full-size professional headphones with the iconic Pro/4AA. ICONIC DESIGN – One of the most recognizable headphones around the world.
| Age Range Description | Adult |
| Control Method | Touch |
| Frequency Range | 10 Hz - 20 kHz |
| Frequency Response | 20000 Hz |
| Theme | Vintage |
| Noise Control | Sound Isolation |
| Headphones Ear Placement | Over Ear |
| Unit Count | 1.0 Count |
| Model Number | Pro4AA |
| Headphone Folding Features | Over Ear |
| Headphone Jack | 6.35 mm Jack |
| Carrying Case Color | Black |
| Model Name | Pro4AA |
| Ear Placement | Over Ear |
| Impedance | 16 Ohms |
| Additional Features | Dj-Style |
| Form Factor | Over Ear |
| Specific Uses For Product | Home |
| Manufacturer | Corporation |
| Customer Package Type | Standard Packaging |
| Control Type | Media Control |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |
| Item Weight | 1.9 Pounds |
| Connectivity Technology | Wired |
| Audio Driver Type | Dynamic Driver |
| Built-In Media | Headphone, Adapter |
| Product Packaging | Standard Packaging |
| Style Name | Retro |
| Earpiece Shape | Round |
| UPC | 726084607460 |
What stands out about the Powerbeats Pro Style is the balanced weight that avoids pressure on your ears.