| Type | Lowest | Highest | Average |
|---|---|---|---|
| Amazon | $22.99 | $49.99 | $37.20 |
| New | $13.88 | $70.86 | $34.74 |
| Used | $0.01 | $2,005.55 | $35.30 |
| Refurbished | $29.99 | $32.49 | $31.24 |
| Brand | Koss |
|---|---|
| Color | Black/Silver |
| Ear Placement | On Ear |
| Form Factor | On Ear |
| Impedance | 60 Ohm |
| Noise Control | None |
| Frequency Response | 25000 Hz |
| Sensitivity | 101 dB |
| Headphones Jack | 3.5 mm Jack |
| Model Name | Koss Porta Pro |
| Connectivity Technology | Wired |
| Wireless Communication Technology | Bluetooth |
| Included Components | Draw string bag, Headphone |
| Age Range (Description) | Adult |
| Material | Plastic |
| Specific Uses For Product | listening to music |
| Recommended Uses For Product | Indoor/Outdoor |
| Compatible Devices | Cellphones |
| Control Type | Volume Control |
| Cable Feature | Retractable |
| Item Weight | 6.4 ounces |
| Water Resistance Level | Not Water Resistant |
| Frequency Range | 15 Hz - 25 kHz |
| Customer Package Type | Standard Packaging |
| Unit Count | 1.0 Count |
| Style | On-Ear Headphone |
| Control Method | Touch |
| Number of Items | 1 |
| Controller Type | wired controller |
| Audio Driver Type | Dynamic Driver |
| Carrying Case Material | Cardboard |
| Earpiece Shape | Rounded Tip |
| UPC | 719040115079 021299147764 212991477642 021299101384 |
| Global Trade Identification Number | 00021299147764, 00719040115079 |
| Manufacturer | Koss |
| Is Autographed | No |
| Product Dimensions | 6.81 x 2 x 8.94 inches |
| ASIN | B00001P4ZH |
| Item model number | 6303157 |
| Customer Reviews | 4.6 |
| Best Sellers Rank | See Top 100 in Electronics |
| Is Discontinued By Manufacturer | No |
| Date First Available | May 14, 2003 |
| Language | English |
| EAN | 0021299147764 |
| Country of Origin | China |
| Product Code | B00001P4ZH |
|---|---|
| Market Place | amazon.com |
| Market Place Name | Amazon USA |
| Brand Name | Koss |
| Rating | 4.6 |
| Category | On-Ear Headphones |
| Manufacturer | Koss |
| Model Number | 6303157 |
| Model Name | Koss Porta Pro |
| Item Color | Black/Silver |
| Item Dimensions | 6.81 x 2 x 8.94 inches |
| Country of Origin | China |
Koss Porta Pro Classic On-Ear Headphones, Retro Style, 3.5mm Wired Plug, Durable, Black/Silver has an average rating of 9.2 out of 10, based on 16782 individual ratings. You can share your own rating on the product review page on Amazon.com.
