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| Price | Check Prices | $99.95 to $99.99 | Check Prices | $89.99 to $91.77 | $27.99 to $49.99 |
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| Release date | August 15, 2003 | November 01, 2001 | August 15, 2003 | July 20, 2009 | January 01, 1984 |
| The Bottom Line | AKG Acoustic's pro-style K301 Xtra headphones deliver solid, low-end bass. | Sennheiser's versatile headphones sound great on DVDs and all kinds of music. | AKG's cheap and comfy K 71 headphones shine when paired with portable players. | Ultrasone's Zino headphones strike the perfect middle ground of performance, style, and convenience for earbud-eschewing connoisseurs of portable audio. | 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 | 18 - 26000 Hz | 8 - 25000 Hz | 20 - 22000 Hz | 25 - 25000 Hz | 15 - 25000 Hz |
| Localization | Info unavailable | English | Info unavailable | Info unavailable | Info unavailable |
| Headphones Form Factor | Semi-open | Ear-cup | Semi-open | Semi-open | Semi-open |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo | Stereo |
| Color | Info unavailable | Black | Info unavailable | Gunmetal black | Info unavailable |
| Connectivity Technology | Wired | Wired | Wired | Wired | Wired |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural |
| Product Type | Headphones - Wired | Headphones - Wired | Headphones - Wired | Headphones - Wired | Headphones - Wired |
| Recommended Use | PC multimedia Home audio system Portable audio system | Home audio system Professional audio system | PC multimedia Home audio system Portable audio system | Portable audio system | Portable audio system |
| Product Description | AKG K 301 XTRA - Headphones | Sennheiser HD 280 - Headphones | AKG K 71 - Headphones | Ultrasone Zino - Headphones | Koss PortaPro Headphones |
| Manufacturer Warranty | Info unavailable | 2 years warranty | Info unavailable | 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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