Plantronics MS250 Corded Headset

Specifications

• Length of the Cable- 5.75 ft
• Connectors: Microphone: Molded or equivalent PJ068  
• Receiver: Molded or equivalent P J055
• Type of receiver : Dynamic
• Impedance of receiver: 600 ohms
• Sensitivity of receiver: 90 dBSPL with an input of 1mW at 1KHz
• Receiver Frequency Response: 100 to 5000 Hz
• Type of Microphone and Amplifier- Noise-canceling electret microphone with amplifier
• Microphone and Amplifier Frequency Response: 300 to 5000 Hz
• Microphone and Amplifier Sensitivity: -28 dBV into 150 ohms with an input of 94 dBSPL at 1kHz
• Microphone and Amplifier Supply Voltage: 8-16 V dc
• Gross Weight -Headset: 1.95 oz (55.4 g)
• Gross Weight -Cable: 4 oz (115 g)