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| Price |
$5.99 to $12.11
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$27.79 to $49.99
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$319.95 to $549.95
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$50.85 to $64.99
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$350.00 to $389.00
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| CNET editors' rating |
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| Average user rating |
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| Release date |
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January 01, 1984
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| The Bottom Line |
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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.
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Features
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| Response Bandwidth | 18 - 20000 Hz
| 15 - 25000 Hz
| Info unavailable | Info unavailable | 8 - 35000 Hz
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| Headphones Form Factor | Semi-open
| Semi-open
| Info unavailable | Under-the-ear
| Ear-cup
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| Sound Output Mode | Stereo
| Stereo
| Info unavailable | Mono
| Stereo
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| Microphone Operation Mode | Info unavailable | Info unavailable | Info unavailable | Mono
| Info unavailable |
| Connectivity Technology | Wired
| Wired
| Info unavailable | Wireless - Bluetooth
| Wired
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| Headphones Type | Headphones - Binaural
| Headphones - Binaural
| Info unavailable | Headphone - Monaural
| Headphones - Binaural
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| Product Type | Headphones - Wired
| Headphones - Wired
| Info unavailable | Headset - Wireless - Bluetooth
| Headphones - Wired
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| Recommended Use | Portable audio system
| Portable audio system
| Info unavailable | Corded phone
| Professional audio system
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| Product Description | Sony MDR 110LP - Headphones
| Koss PortaPro Headphones
| Info unavailable | Plantronics Calisto Pro Headset
| Ultrasone PRO 2500 - Headphones
|
| Manufacturer Warranty | Info unavailable | Limited lifetime warranty
| Info unavailable | Info unavailable | Info unavailable |
| Remote Control | None
| None
| Info unavailable | None
| Info unavailable |
| Full specifications |
Full specifications
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Full specifications
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Full specifications
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| Buying choices |
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