| Remove from comparison | Remove | Remove | Remove | Remove | Remove |
|---|---|---|---|---|---|
| Product name | |||||
| Price | $39.00 | $19.27 to $39.95 | $29.50 to $49.99 | $79.00 to $79.99 | $69.95 |
| CNET editors' rating |
|
|
|
|
|
| Average user rating |
|
||||
| Release date | January 01, 1984 | January 15, 2002 | |||
| 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. | The Klipsch Image S4 earphones offer up sound quality on par with and better than sets that cost many times as much; they are a spectacular choice for anyone looking for new earbuds. | If you love bass, you'll dig these 'phones. | ||
| Similar Products | Compare more products | Compare more products | Compare more products | Compare more products | Compare more products |
| Features | |||||
| Response Bandwidth | 18 - 20000 Hz | 18 - 18000 Hz | 15 - 25000 Hz | Info unavailable | Info unavailable |
| Localization | English | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Headphones Form Factor | Ear-cup | Ear-cup | Semi-open | In-ear canalphone | Ear-cup |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo | Stereo |
| Color | Info unavailable | Black | Info unavailable | Info unavailable | Info unavailable |
| Connectivity Technology | Wired | Wired - None | Wired | Wired | Cable - None |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphone - Binaural | Headphones |
| Product Type | Headphones - Wired | Headphones - Wired - None | Headphones - Wired | Headphones - Wired | - Cable - None |
| Recommended Use | Home audio system | Home audio system Portable audio system | Portable audio system | Info unavailable | Professional audio system |
| Product Description | AKG K 44 - Headphones | Sennheiser HD 202 - Headphones | Koss PortaPro Headphones | Headphones | Info unavailable |
| Manufacturer Warranty | Info unavailable | 2 years warranty | Limited lifetime warranty | Info unavailable | Info unavailable |
| Remote Control | None | None | None | Info unavailable | None |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices |
|
|
|
|
|
| Remove from comparison | Remove | Remove | Remove | Remove | Remove |



