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| Price | $19.98 to $29.99 | $20.10 to $39.95 | $15.28 to $19.99 | $13.28 to $23.18 | $30.01 to $38.00 |
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| Release date | January 01, 1984 | ||||
| The Bottom Line | Koss hit a home run with the PortaPros. Love or hate the design, there's no denying the sound quality here: they're the ideal companion for mobile audiophiles and home theater enthusiasts. | ||||
| Similar Products | Compare more products | Compare more products | Compare more products | Compare more products | Compare more products |
| Features | |||||
| Response Bandwidth | 10 - 22000 Hz | 18 - 18000 Hz | 18 - 22000 Hz | 12 - 22000 Hz | 15 - 25000 Hz |
| Headphones Form Factor | Ear-cup | Ear-cup | Ear-cup | Ear-cup | Semi-open |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo | Stereo |
| Color | Info unavailable | Black | Black | Info unavailable | Info unavailable |
| Connectivity Technology | Wired | Wired - None | Wired | Wired | Wired |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural |
| Product Type | Headphones - Wired | Headphones - Wired - None | Headphones - Wired | Headphones - Wired | Headphones - Wired |
| Recommended Use | Info unavailable | Home audio system Portable audio system | Home audio system Portable audio system Professional audio system | Info unavailable | Portable audio system |
| Product Description | Sony MDR XD200 - Headphones | Sennheiser HD 202 - Headphones | Sony MDR V150 - Headphones | Sony MDR XD100 - Headphones | Koss PortaPro Headphones |
| Manufacturer Warranty | Info unavailable | 2 years warranty | 1 year warranty | Info unavailable | Limited lifetime warranty |
| Remote Control | None | None | None | None | None |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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