Plantronics EncorePro HW520, Binaural Headset, Noise-Cancelling Nástupce modelů Plantronics SupraPlus HW261N/A a HW361N/A OVERVIEW * The new design is lighter than previous models, offering users improved comfort * Next-generation custom microphone reduces background noise and interference, ensuring fewer missed words and a better caller experience * Tactile and visual guidance so the user can feel and hear ratchet clicks when the boom is moved into the proper range for optimum mic positioning * Wideband audio that delivers richer, clearer conversations while SoundGuard technology protects user from noise spikes and listening fatigue * Metal integrated into the core design, not cosmetically, while the unibody fl exible boom means there is nothing to break off * The laser-welded construction creates more robust joints between the earpieces and the headband for maximum robustness * Quick Disconnect feature provides walkaway convenience and compatibility with all Plantronics USB and deskphone audio processors and direct connect cables SPECIFICATIONS Connects to * PC or deskphone with Plantronics audio processors Ideal for * Telephone-intensive users, including formal customer care centres and helpdesks Type * Binaural Audio performance * Wideband audio (up to 6,800 Hz), noise-cancelling microphone TRANSMIT CHARACTERISTICS (TYPICAL) Sensitivity @ 1kHz * -39 ± 3 dBV/Pa Frequency Range * 150 to 6800Hz Output Impedance: * < 150 Ω Typical Test Conditions * 1.8VDC, 3.3K Ω DC Resis, 3.3K &ohm AC Load TRANSMIT CHARACTERISTICS (TYPICAL) Sensitivity @ 1kHz * 14 dBPa/V Frequency Range * 100 to 6800Hz Acoustic Limit * <24dBPa (<118SPL) Input Impedance * 320 Ω ± 25% Typical Test Conditions * 100mV Drive, 10 Ω Source Impedance. Measured on ITU-T Type 3.3 artificial ear, Ear Reference Point Compatibility tool * http://www.plantro.net/compatibility