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| Product | Bose QuietComfort 3 | Harman Kardon NC | PSB M4U 2 |
| Price | $329.99 to $349.95 | $299.00 to $299.95 | $399.00 to $399.99 |
| CNET editors' rating | 4 stars | 4 stars | 4 stars |
| Average user rating | 3.5 stars | 0 stars | 0 stars |
| Release date | June 15, 2006 | September 14, 2012 | Info unavailable |
| Bottom line | With the QuietComfort 3s, Bose has done a remarkable job of shrinking its popular noise-canceling headphones while achieving similarly impressive sound quality--but that engineering feat doesn't come cheap. | 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. | The PSB Speakers M4U 2 Active Noise Cancelling Headphones combine above-average noise cancellation with excellent sound quality that's well worth the price for dedicated audiophiles looking to eliminate ambient noise. |
| Product Description | Bose QuietComfort 3 Acoustic Noise Cancelling - Headphones | Harman/kardon NC - Headphones | Info unavailable |
| Packaged Quantity | 1 | 1 | Info unavailable |
| Product Type | - Cable Headphones | Headphones - Wired | - Cable |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Info unavailable |
| Headphones Form Factor | Full size | Full size | Info unavailable |
| Connectivity Technology | Cable | Wired | Cable |
| Sound Output Mode | Stereo | Stereo | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications |
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Bose Quiet Comfort 15 compare
