Clear crisp sound quality

Improved microphone sound quality with Surround Shield™ noise cancellation technology that improves the quality of a conversation even in the loudest office environments. Background noise is filtered out, allowing only your voice to be heard.

KEY FEATURES :

• Single speaker earpiece allowing users to confer with colleagues (501S-PM USB only)
• Dual speakers for better call concentration (502S-PB USB only)
• Surround Shield™ noise cancelling microphone
• Slim, flexible microphone boom arm
• Ratchet style 'put and stay' microphone boom
• Adjustable sure fit headband
• 55mm Leatherette ear cushions included
• Sound Shield™ Acoustic Shock Protection
• Compatible with all known office phones

TECHNICAL SPECIFICATIONS :

• Mid-weight headset, ~ 76g
• PLX Quick Disconnect*
• Full range of bottom leads available**
• Certifications UKCA, CE,RoHS, REACH
• MOQ Master Shipping Carton: 40
• EAN 5060126956082 

MICROPHONE :

• Directional Bi-directional
• Impedance Max. 2.2KΩ 1KH(RL=2.2KΩ)
• Sensitivity -43±3dB RL=2.2KΩ Vs=2.0V (DC)
• Frequency range 100-12000Hz
• Operating temperature -25°C~ 70°C
• Storage temperature -40°C~ 80°C 

SPEAKER :

• Impedance 150Ω ±15% at 0.1 V1000Hz
• Sound pressure 129B ± 3dB at 1000HZ
• Frequency range FO ~20KHZ(±10dB)
• FO: 210Hz ± 20%
• Operating temperature -25°C 50°C
• Storage temperature -25°C 60°C 

WARRANTY :

• 2-year replacement warranty against manufacturing defects