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| Price | $41.32 to $59.99 | $38.73 to $59.95 | $32.17 to $38.00 | $102.00 to $219.99 | $77.99 to $99.99 |
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| Release date | November 15, 2002 | January 01, 1984 | November 01, 2001 | ||
| The Bottom Line | The PX100 is a good choice for travelers seeking a compact headphone design. | 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. | Sennheiser's featherweight noise-canceling headphones are supercomfy and produce sound quality approaching that of some full-size models. | Sennheiser's versatile headphones sound great on DVDs and all kinds of music. | |
| Similar Products | Compare more products | Compare more products | Compare more products | Compare more products | Compare more products |
| Features | |||||
| Response Bandwidth | 10 - 21000 Hz | 15 - 27000 Hz | 15 - 25000 Hz | 8 - 21500 Hz | 8 - 25000 Hz |
| Localization | Info unavailable | Info unavailable | Info unavailable | Info unavailable | English |
| Headphones Form Factor | Semi-open | Semi-open | Semi-open | Semi-open | Ear-cup |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo | Stereo |
| Color | Info unavailable | Info unavailable | Info unavailable | Black Silver | Black |
| Connectivity Technology | Wired | Wired | Wired | Wired | Wired |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural |
| Active Noise Canceling | Info unavailable | Info unavailable | Info unavailable | Yes | Info unavailable |
| Product Type | Headphones - Wired | Headphones - Wired | Headphones - Wired | Headphones - Wired | Headphones - Wired |
| Recommended Use | Portable audio system | Portable audio system | Portable audio system | Info unavailable | Home audio system Professional audio system |
| Product Description | Sennheiser PX 200 - Headphones | Sennheiser PX 100 - Headphones | Koss PortaPro Headphones | Sennheiser PXC 300 - Headphones | Sennheiser HD 280 - Headphones |
| Manufacturer Warranty | 2 years warranty | 2 years warranty | Limited lifetime warranty | 2 years warranty | 2 years warranty |
| Remote Control | None | None | None | None | None |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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