| DESIGN AND DIMENSIONS | Poly - Plantronics SupraPlus DIGITAL D251 | - |
|---|
| Product Type | Headset - wired | - |
|---|---|---|
| Recommended Use | Phone | - |
| SOUND QUALITY | Poly - Plantronics SupraPlus DIGITAL D251 | - |
|---|
| Headphones Form Factor | On-ear | - |
|---|---|---|
| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wired | - |
| Sound Output Mode | Mono | - |
| Frequency Response | 100 - 4000 Hz | - |
| Impedance | 150 Ohm | - |
| MICROPHONE | Poly - Plantronics SupraPlus DIGITAL D251 | - |
|---|
| Type | Boom | - |
|---|---|---|
| Microphone Operation Mode | Mono | - |
| Frequency Response | 200 - 4000 Hz | - |
| Sensitivity | -49 dB | - |
| Impedance | 1.5 kOhm | - |
| CONNECTIONS | Poly - Plantronics SupraPlus DIGITAL D251 | - |
|---|
| Connector Type | Headset (Quick Disconnect) | - |
|---|
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