| DESIGN AND DIMENSIONS | Poly - Plantronics M 123-E1 | - |
|---|
| Product Type | Headset - wired | - |
|---|---|---|
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Poly - Plantronics M 123-E1 | - |
|---|
| Headphones Form Factor | Over-the-ear mount | - |
|---|---|---|
| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wired | - |
| Sound Output Mode | Mono | - |
| Frequency Response | 300 - 3300 Hz | - |
| Total Harmonic Distortion (THD) | 5% | - |
| Impedance | 32 Ohm | - |
| MICROPHONE | Poly - Plantronics M 123-E1 | - |
|---|
| Type | Boom | - |
|---|---|---|
| Microphone Operation Mode | Mono | - |
| Frequency Response | 300 - 3300 Hz | - |
| Total Harmonic Distortion (THD) | 5% | - |
| Sensitivity | -55 dBV/Pascal | - |
| Impedance | 3.3 kOhm | - |
| Microphone Power Source Voltage (DC) | 3 V | - |
| CABLE | Poly - Plantronics M 123-E1 | - |
|---|
| Cable Type | Headset cable - 1.2 m | - |
|---|
| CONNECTIONS | Poly - Plantronics M 123-E1 | - |
|---|
| Connector Type | Headset (cellular phone connector) | - |
|---|
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