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| Product | Etymotic Research HF5 Portable (Cobalt) | Klipsch Image S4i II (Black) | Etymotic ER-4PT MicroPro | Klipsch Image S4 II (White) |
| Price | $100.99 to $126.62 | $99.00 to $99.99 | $230.44 to $274.28 | $67.96 to $79.00 |
| CNET editors' rating | 4 stars | 4 stars | 4 stars | 4 stars |
| Average user rating | 2.5 stars | 5 stars | 0 stars | 0 stars |
| Release date | June 15, 2008 | August 15, 2012 | Info unavailable | Info unavailable |
| Bottom line | 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. | The Klipsch Image S4i II in-ear headphones add a new, more durable tangle-resistant flat cord while retaining the S4 model's very respectable sound quality and superior comfort. | While the Etymotic ER-4PTs have less low-end oomph than some competing earphones in this price class, they deliver excellent sound with very accurate tonal balance. | The
Klipsch Image S4 II in-ear headphones add a new, more durable tangle-resistant flat cord while retaining their very respectable sound quality and superior comfort. |
| Product Description | Etymotic hf5 High-Fidelity Earphones - Headphones | Klipsch Image S4i II - Headset | Etymotic MicroPro ER-4PT - Headphones | Klipsch Image S4 II - Headphones |
| Packaged Quantity | 1 | 1 | 1 | 1 |
| Product Type | Headphones - Wired | Headset - Wired | Headphones - Wired | Headphones - Wired |
| Recommended Use | Portable audio system | Digital player Cellular phone Tablet | Info unavailable | Digital player Cellular phone Tablet |
| Color | Cobalt | Black | Info unavailable | White |
| Headphones Type | Headphones - Binaural | Headset - Binaural | Headphones - Binaural | Headphones - Binaural |
| Headphones Form Factor | In-ear | In-ear | In-ear | In-ear |
| Connectivity Technology | Wired | Wired | Wired | Wired |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo |
| Audio Specifications | Frequency Response 20 - 15000 Hz - Sensitivity 105 dB - Impedance 16 Ohm | Frequency Response 10 - 19000 Hz - Sensitivity 110 dB - Impedance 18 Ohm | - Sensitivity 90 dB - Impedance 100 Ohm Frequency Response 20 - 16000 Hz | Frequency Response 10 - 19000 Hz - Sensitivity 110 dB - Impedance 18 Ohm |
| Manufacturer Warranty | 2 years warranty | 2 years warranty | 2 years warranty | 2 years warranty |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Etymotic hf5 compare (Black)
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