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| Product | Etymotic Research HF5 Portable (Cobalt) | Klipsch Image S4i II (Black) | Klipsch Image S4A for Android (Black) | Klipsch Image S4i Rugged (Blue) |
| Price | $96.99 to $149.99 | $84.99 to $99.99 | $58.44 | $99.00 to $99.99 |
| CNET editors' rating | 4 stars | 4 stars | 4 stars | 4 stars |
| Average user rating | 2.5 stars | 5 stars | 2.5 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. | Klipsch's ultracomfortable, noise-isolating ear tips are just one of the reasons I love and recommend the S4-series headphones. If you're an
Android user shopping for a new pair of earbuds, the Image S4A headphones are definitely worth the $99. | While serious runners may find that the S4i Rugged in-ear headphones won't stay in their ears that securely, they're an excellent pair for gym and everyday use. |
| Product Description | Etymotic hf5 High-Fidelity Earphones - Headphones | Klipsch Image S4i II - Headset | Klipsch Image S4A - Headphones | Klipsch Image S4i - Headset |
| Packaged Quantity | 1 | 1 | 1 | 1 |
| Product Type | Headphones - Wired | Headset - Wired | Headphones - Wired | Headset - Wired |
| Recommended Use | Portable audio system | Digital player Cellular phone Tablet | Tablet | Digital player Cellular phone Tablet |
| Color | Cobalt | Black | Info unavailable | Blue |
| Headphones Type | Headphones - Binaural | Headset - Binaural | Headphones - Binaural | Headset - Binaural |
| Headphones Form Factor | In-ear | In-ear | In-ear | In-ear |
| Connectivity Technology | Wired | Wired | Wired | Wired |
| Sound Output Mode | Stereo | Stereo | Stereo | Info unavailable |
| Audio Specifications | Frequency Response 20 - 15000 Hz - Sensitivity 105 dB - Impedance 16 Ohm | Frequency Response 10 - 19000 Hz - Sensitivity 110 dB - Impedance 18 Ohm | Frequency Response 10 - 19000 Hz - Sensitivity 110 dB/mW - Impedance 18 Ohm | 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 Research HF5 Portable compare (Cobalt)
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