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| Product | Koss PortaPro (with Case)  | JVC Flats (Black) | Audio-Technica ATH-M50 | Audio-Technica ATH-M35 | MEElectronics HT-21 Travel (Black) |
| Price | $39.99 to $59.99 | $9.89 to $14.99 | $159.00 to $159.99 | $51.99 to $199.00 | $24.85 to $25.98 |
| CNET editors' rating | 4 stars | 4 stars | 4 stars | 4 stars | 4 stars |
| Average user rating | 4 stars | 4.5 stars | 4.5 stars | 4.5 stars | 4.5 stars |
| Release date | January 1, 1984 | November 22, 2010 | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | Koss hit a home run with the PortaPros. Love or hate the design, there's no denying the sound quality here: they're the ideal companion for mobile audiophiles and home theater enthusiasts. | Though they look a little cheap, the JVC Flats are lightweight, comfortable on-ear headphones that sound surprisingly good for sub-$15 headphones. | The Audio-Technica ATH-M50 Professional Studio Monitor Headphones are among the best available for less than $200, offering excellent sound and build quality. | While they're not in the same league as the step-up ATH-M50, the Audio-Technica ATH-M35 costs a lot less and offers impressive performance and decent build quality for the money -- plus it has the fold-up element that's missing from the ATH-M30. | You may be fooled by their featherweight design, but the MEElectronics HT-21s earn our recommendation for their ample soundstage, subtle aesthetic, and portable convenience. |
| Product Description | Koss PortaPro - Headphones | JVC HA S160-B | Audio-Technica ATH M50 - Headphones | Audio-Technica ATH M35 - Headphones | MEElectronics HT-21 - Headphones |
| Packaged Quantity | 1 | 1 | 1 | 1 | 1 |
| Product Type | Headphones - Wired | - Wired | Headphones - Wired | Headphones - Wired | Headphones - Wired |
| Headphones Type | Headphones - Binaural | Binaural | Headphones - Binaural | Headphones - Binaural | Headphones - Binaural |
| Headphones Form Factor | On-ear | Info unavailable | Full size | Full size | Full size |
| Connectivity Technology | Wired | Wired | Wired | Wired | Wired |
| Sound Output Mode | Stereo | Stereo | Stereo | Stereo | Stereo |
| Audio Specifications | Frequency Response 15 - 25000 Hz - Sensitivity 101 dB/mW - Impedance 60 Ohm | Frequency Response 12 - 24000 Hz - Sensitivity 103 dB/mW - Impedance 32 Ohm | Frequency Response 15 - 28000 Hz - Sensitivity 99 dB - Impedance 38 Ohm | Frequency Response 20 - 20000 Hz - Sensitivity 100 dB - Impedance 65 Ohm | Frequency Response 20 - 20000 Hz - Sensitivity 114 dB - Impedance 32 Ohm |
| Remote Control | None | None | None | None | Info unavailable |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Koss PortaPro compare (with Case)
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