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| Product | Kicker Full-Range (Yellow) | Panasonic ErgoFit RP-HJE120-D (Orange) | Koss 143396 Wireless System (Black) | Koss UR55 | Sennheiser CC 520 (with Ultra Noise-Canceling Microphone & Boom) |
| Price | MSRP: $19.95 | $3.95 to $74.15 | $38.67 to $113.13 | $28.25 to $49.99 | $140.42 to $259.83 |
| CNET editors' rating | 2 stars | 4 stars | Info unavailable | Info unavailable | Info unavailable |
| Average user rating | 0 stars | 4 stars | 0 stars | 3.5 stars | 0 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | The Kicker EB51 earbuds are easy on the wallet and offer several color options, but we're not convinced they're enough of a step up from stock earbuds. | For under $10, you'll be hard-pressed to find in-ear headphones that sound better and are more comfortable than the Panasonic ErgoFit RP-HJE120s. | Info unavailable | Info unavailable | Info unavailable |
| Product Description | Kicker EB51 - Headphones | Panasonic RP HJE120-D - Headphones | Koss HB 70 - Headphones | Koss UR 55 Studio Pulse - Headphones | Sennheiser CC 520 - Headset |
| Packaged Quantity | 1 | 1 | 1 | 1 | 1 |
| Product Type | Headphones - Wired | Headphones - Wired | Headphones - Wireless - Infrared | Headphones - Wired | Headset - Wired |
| Recommended Use | Digital player Cellular phone | Portable audio system | Home audio system | PC multimedia | Corded phone |
| Headphones Type | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural | Headset - Binaural |
| Headphones Form Factor | Ear-bud | In-ear | Behind-the-neck mount | Full size | Full size |
| Connectivity Technology | Wired | Wired | Wireless - Infrared | Wired | Wired |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo | Info unavailable |
| Audio Specifications | Frequency Response 38 - 18000 Hz - Sensitivity 109 dB/mW - Impedance 32 Ohm | Frequency Response 20 - 20000 Hz - Sensitivity 96 dB/mW - Impedance 16 Ohm | Frequency Response 30 - 15000 Hz | Frequency Response 18 - 22000 Hz - Sensitivity 100 dB - Impedance 36 Ohm | Frequency Response 300 - 3400 Hz - Sensitivity 103 dB - Impedance 300 Ohm |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | MSRP: $19.95 See manufacturer website for availability. |
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