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| Product | Etymotic hf5 (Black) | Etymotic Research HF5 Portable (Cobalt) | Etymotic ER-4PT MicroPro | Klipsch Image S4i II (Black) | Klipsch Image S4 II (White) |
| Price | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. |
| CNET editors' rating | 4 stars | 4 stars | 4 stars | 4 stars | Info unavailable |
| Average user rating | 0 stars | 2.5 stars | 0 stars | 0 stars | 0 stars |
| Release date | June 15, 2008 | June 15, 2008 | Info unavailable | August 16, 2012 | 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 Etymotic hf5 earphones are an excellent option for those who want the highest level of sound isolation without sacrificing sound quality, portability, or style. | 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 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. | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. | Pricing is currently unavailable. |