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| Price | $169.95 to $234.56 | $64.99 to $90.22 | $107.49 to $111.99 |
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| Release date | January 01, 2002 | June 15, 2008 | |
| The Bottom Line | Etymotic's ER-6 earbuds offer stellar sound quality. | The Etymotic hf5 earphones are an excellent option for those who want the highest level of sound isolation without sacrificing sound quality, portability, or style. | |
| Similar Products | Compare more products | Compare more products | Compare more products |
| Features | See What's the same or What's different | ||
| Response Bandwidth | 20 - 16000 Hz | 20 - 16000 Hz | 20 - 15000 Hz |
| Headphones Form Factor | In-ear canalphone | In-ear canalphone | In-ear ear-bud |
| Sound Output Mode | Stereo | Stereo | Stereo |
| Color | Info unavailable | Info unavailable | Cobalt |
| Connectivity Technology | Wired | Wired | Wired |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural |
| Product Type | Headphones - Wired | Headphones - Wired | Headphones - Wired |
| Recommended Use | Info unavailable | PDA PC multimedia Portable audio system | Portable audio system |
| Product Description | Etymotic MicroPro ER-4S (Stereo) - Headphones | Etymotic Isolator Earphones ER-6i - Headphones | Etymotic hf5 High-Fidelity Earphones Headphones |
| Manufacturer Warranty | 1 year warranty | Info unavailable | 2 years warranty |
| Remote Control | None | None | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications |
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