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| Product | Sony XBA-NC85D | Bose Quiet Comfort 15 | Klipsch Image S4  | Harman Kardon NC |
| Price | $173.49 to $499.99 | $299.00 to $299.99 | $49.89 | $299.00 to $299.95 |
| CNET editors' rating | 2.5 stars | 4 stars | 4.5 stars | 4 stars |
| Average user rating | 0 stars | 4 stars | 3.5 stars | 0 stars |
| Release date | Info unavailable | August 21, 2009 | Info unavailable | September 14, 2012 |
| Bottom line | The Sony XBA-NC85D is marginally effective at canceling noise and its disappointing sound quality does nothing to offset the exorbitant price. | 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 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. | While they may not be quite as comfortable as Bose's ultrapopular QC 15 headphones, the Harman Kardon NCs offer slightly better sound and have a built-in rechargeable battery to power the active noise-cancellation circuitry. |
| Product Description | Sony XBA NC85D - Headphones | Bose QuietComfort 15 Acoustic Noise Cancelling - Headphones | Klipsch Image S4 - Headphones | Harman/kardon NC - Headphones |
| Packaged Quantity | 1 | 1 | 1 | 1 |
| Product Type | Headphones - Wired | Headphones - Wired | - Wired Headphones | Headphones - Wired |
| Recommended Use | Portable audio system | Digital player Cellular phone Home audio system PC multimedia | Portable audio system | Info unavailable |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Binaural Headphones | Headphones - Binaural |
| Headphones Form Factor | In-ear | Full size | In-ear | Full size |
| Connectivity Technology | Wired | Wired | Wired | Wired |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo |
| Audio Specifications | Frequency Response 5 - 20000 Hz - Sensitivity 106 dB/mW - Impedance 820 Ohm | Info unavailable | - Sensitivity 110 dB/mW - Impedance 18 Ohm Frequency Response 10 - 19000 Hz | Frequency Response 16 - 20000 Hz |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Sony XBA-NC85D compare
