Koss
Koss Pro4AA Stereophone PRO4AA
- SKU:
- 18215298
- MPN:
- pro4aa
- Availability:
- Usually ships the same or next business day. In stock at our CA, IL warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 02/10/2026 12:24:35 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $82.89 each 82.89 |
| Buy 3 - 6 | and pay only $80.49 each 80.49 |
| Buy 7 | and pay only $79.02 each 79.02 |
| Buy 8 or above | and pay only $75.69 each 75.69 |
- Stock Update:
- 02/10/2026 12:24:35 AM PST
Description
This item is brand-new, factory sealed.
This full-size professional quality stereophone has long been the headphone of choice for broadcast and recording professionals whose careers demand reliable equipment and superior performance. The PRO4AA features dynamic elements for an exceptionally wide frequency response. Adjustable slide bars ensure a snug fit, also critical for hearing every note and keeping unwanted sounds out. It includes microphone mount hardware for complete versatility. Whether you are a sound professional or simply love music, the PRO4AA will deliver excellent isolation, accurate sound reproduction, and the excitement of a live performance to your recording.
Package Contents:
- Pro4AA Stereophone
- 6.3 mm (") screw-on type adapter
Features
- Pro4AA Stereophone
- 6.3 mm (?") screw-on type adapter
Additional Information:
- Durable steel and rubber headband
- Impedance: 250 ohms
- Sensitivity: 95dB SPL/1mW
- Distortion: <0.1%
Specs
| Interfaces/Ports | |
| Host Interface | Mini-phone (3.5mm) |
| General Information | |
| Brand Name | Koss |
| Manufacturer Website Address | http://www.koss.com |
| Marketing Information | This full-size professional quality stereophone has long been the headphone of choice for broadcast and recording professionals whose careers demand reliable equipment and superior performance. The PRO4AA features dynamic elements for an exceptionally wide frequency response. Adjustable slide bars ensure a snug fit, also critical for hearing every note and keeping unwanted sounds out. It includes microphone mount hardware for complete versatility. Whether you are a sound professional or simply love music, the PRO4AA will deliver excellent isolation, accurate sound reproduction, and the excitement of a live performance to your recording. |
| Product Type | Headphone |
| Product Name | Pro4AA Stereophone |
| Manufacturer | Koss Corporation |
| Manufacturer Part Number | PRO4AA |
| Product Model | Pro4AA |
| Earpiece | |
| Earpiece Type | Binaural |
| Earpiece Design | Over-the-head |
| Technical Information | |
| Minimum Frequency Response | 10 Hz |
| Maximum Frequency Response | 25 kHz |
| Connector Plating | Gold Plated |
| Cable Length | 10 ft |
| Sound Mode | Stereo |
| Connectivity Technology | Wired |
Warranty Information
