Cască Tellur Voice 520N

The Tellur Voice 520N wired headset is engineered for professional use, delivering clear sound on both ends of calls. It features Environmental Noise Cancelling on the microphone to reduce background noise, a binaural design that covers both ears for improved focus, and Quick Disconnect (QD) connectivity for comfort and wide compatibility. The package includes the Voice 520N headset, a QD-to-USB adapter with Environmental Noise Cancellation, and a protective bag.

Advantages

The binaural, wired design provides immersive stereo audio and helps maintain concentration during calls. The Environmental Noise Cancelling microphone ensures your voice is transmitted clearly by suppressing ambient noise. Inline function keys let you adjust volume and mute the microphone quickly. Quick Disconnect connectivity and the included QD-to-USB adapter expand device compatibility and offer flexible cable management.

Suitable for

• Customer support and call centre agents
• Remote work and online meetings
• VoIP and multimedia calls on devices with USB port
• Extended use where comfort and noise reduction are needed

Key specifications

• Connectivity: QD (Quick Disconnect) with QD-to-USB adapter
• Technology: Binaural, wired
• Driver size: Ø28 mm
• Impedance (headset): 150 Ω
• Frequency response: 150 Hz – 10 MHz
• Sensitivity (headset): 100 ±3 dB
• Headset cable length: 60 cm; USB adapter cable length: 160 cm; Total cable length: 220 cm
• Microphone impedance: 2.2 kΩ
• Microphone SNR: >58 dB; microphone sensitivity: -40 ±3 dB
• Compatibility: devices with USB port
• Volume control: yes; Microphone mute button: yes
• Available colour: Black
• Operating temperature: -10°C to +40°C; Operating humidity: 10%–95%

How to use

Connect the headset to a device using the QD connector, then attach the included QD-to-USB adapter if your device requires USB. Place the binaural earcups over both ears and adjust the headband for a comfortable fit. Use the inline function keys to raise or lower volume and the mute button to silence the microphone during calls. Store the headset in the protective bag when not in use to protect it from dust and mechanical damage.

Recommendations

For best microphone performance, position the Environmental Noise Cancelling microphone close to the mouth but not directly in front of the airflow. Keep the QD connection secure and avoid sharp bends in the cable. Use the headset within the specified temperature and humidity ranges for reliable operation.