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| Price | $199 at 1 store | $299 to $349 at 2 stores | $299 to $299 at 6 stores | $99 at 1 store | $49 at 1 store |
| CNET editors' rating | 3.0 stars Good | 3.5 stars Very good | 4.0 stars Excellent | 4.5 stars Spectacular | |
| Average user rating | 0 stars No reviews, write one! | 4.0 stars out of 2 reviews | 4.0 stars out of 75 reviews | 3.5 stars out of 91 reviews | 3.5 stars out of 291 reviews |
| Release date | August 11, 2009 | February 10, 2012 | August 21, 2009 | October 28, 2009 | April 02, 2009 |
| The Bottom Line | The AKG K390 Noise-Canceling earphones offer a sleek-looking design and two types of noise-hushing capabilities, but the high price tag and inconvenient noise-canceling module may be a turnoff for some. | The AKG K495 NCs aren't as comfortable and don't sound quite as good as the Bose QC 15s, but they're built better, offer very good noise-cancellation, and recharge via USB. | While they're no bargain, the Bose QuietComfort 15s currently offer the best sound and silencing capabilities in a pair of noise-canceling headphones. | The Klipsch Image S4i earphones offer up sound quality on par with and better than sets that cost many times as much, and they include compelling extras for iPhone and iPod users. | The Klipsch Image S4 earphones offer up sound quality on par with and better than sets that cost many times as much; they are a spectacular choice for anyone looking for new earbuds. | Basic specs |
| Features | See What's the Same or What's different | ||||
| Packaged Quantity | 1 | 1 | 1 | 1 | 1 |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo | Stereo |
| Color | Info unavailable | Black leather with brushed metal parts | Silver | Info unavailable | Info unavailable |
| Connectivity Technology | Wired | Wired | Wired | Wired | Wired |
| Active Noise Canceling | Yes | Yes | Yes | Info unavailable | Info unavailable |
| Microphone | Info unavailable | Info unavailable | Info unavailable | Built-in | Info unavailable |
| Audio Specifications | Frequency Response 12 - 24000 Hz - Sensitivity 125 dB - Impedance 32 Ohm | Frequency Response 20 - 20000 Hz - Sensitivity 121 dB - Impedance 26 Ohm | Info unavailable | Frequency Response 10 - 19000 Hz - Sensitivity 110 dB/mW - Impedance 18 Ohm | - Sensitivity 110 dB/mW - Impedance 18 Ohm Frequency Response 10 - 19000 Hz |
| Recommended Use | Portable audio system | Portable audio system | Digital player Cellular phone | Info unavailable | Portable audio system |
| Headphones Form Factor | In-ear | Full size | Full size | Info unavailable | In-ear |
| Manufacturer Warranty | Info unavailable | Info unavailable | Info unavailable | 2 year warranty | Info unavailable |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Binaural | Binaural Headphones |
| Product Type | Headphones - Wired | Headphones - Wired | Headphones - Wired | - Wired | - Wired Headphones |
| Remote Control | Info unavailable | None | Info unavailable | Info unavailable | Info unavailable |
| Product Description | AKG K 390 - Headphones | AKG K 495 NC - Headphones | Bose QuietComfort 15 Acoustic Noise Cancelling - Headphones | Klipsch Image S4i | Klipsch Image S4 - Headphones |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | | | | | |
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