| DESIGN AND DIMENSIONS | Sennheiser RS 140 | - |
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| Product Type | Headphones - wireless | - |
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| Weight | 280 g | - |
| Recommended Use | Home audio | - |
| Bluetooth Range (Operating Distance) | 150 m | - |
| SOUND QUALITY | Sennheiser RS 140 | - |
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| Headphones Form Factor | Full size | - |
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| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wireless | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 18 - 21000 Hz | - |
| Total Harmonic Distortion (THD) | 0.5% | - |
| Sensitivity | 110 dB | - |
| Signal-To-Noise Ratio | 68 dBA | - |
| REMOTE CONTROL | Sennheiser RS 140 | - |
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| Controls | Volume, balance, on/off | - |
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| CABLE | Sennheiser RS 140 | - |
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| Cable Type | Audio adaptor | - |
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| BATTERY AND CHARGING | Sennheiser RS 140 | - |
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| Battery Type | 2 x battery - AAA type - rechargeable - Nickel Metal Hydride | - |
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| Battery Life | 23 hour(s) | - |
| Power Device | Power adapter - external | - |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser RS 140 | - |
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| Transmission Range | 150 m | - |
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| Modulation Type | FM | - |
| Radio Channel Qty | 3 | - |
| Radio Frequency Range | 863 - 865MHz | - |
| CONNECTIONS | Sennheiser RS 140 | - |
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| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
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| OTHERS | Sennheiser RS 140 | - |
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| Included Accessories | Transmitter unit, 6.3 mm (1/4") stereo adapter | - |
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| Service & Support | Limited warranty - 2 years | - |
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