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Plantronics currently ships direct to consumer only to the United States, United Kingdom, Germany, France, Italy, Finland, Netherlands, Spain, and Australia.

.Audio DSP 200/400/500 Features

Article ID : 000006186
This table reflects the features and specifications for models DSP-200, DSP-400, and DSP-500.
Features DSP-200 DSP-400 DSP-500
Full Range Stereo
Volume Control
Noise-Cancelling Microphone
Microphone Mute Switch
Foldable Headband    
USB Compatible
Specifications DSP-200 DSP-400 DSP-500
Speaker Driver Size (Diameter) 40mm 28mm 28mm
Speaker Sensitivity (dBPa/V) 34 27 27
Speaker Frequency Response (Hz–kHz) 20-20 20-20 60-16
Speaker Impedance (Ohms) 28 32 24
Microphone Sensitivity (dBV/Pa ±5dB) -38 -38 -38
Microphone Type (Unidirectional) Electret Electret Electret
Microphone Impedance (Ohms) 3k 3k 3k
Microphone Frequency Response (Hz–kHz) 100-10 100-10 100-10
Cable Length 3.0 M 3.0 M 3.0 M

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