Blackwire® 500 Series

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All-day use

Ideal for all-day use, long conference calls, and listening to multi-media with its ultra-soft leatherette ear cushions, lightweight headband and secure fit.

Smart Sensor™ Technology

Smart Sensor technology intuitively manages calls and audio. Answer a call by simply placing the headset on your head.

Wearing style options

Two user wearing options: dual-ear hi-fi stereo (Blackwire 520) for those who want a richer, more immersive audio experience or single-ear mono (Blackwire 510) for users who prefer to leave one ear open to their environment.

Inline controls

Simple, intuitive, inline controls let you answer/end, mute, and control the volume of your calls with ease.

Inline indicator lights and user friendly audio tones alert the user to connection, mute and volume status.

Professional audio quality

Premium PC wideband audio with noise-canceling microphone, hi-fi stereo (C520) and Digital Signal Processing (DSP) for a more natural voice sound.

SoundGuard® technology provides protection against audio spikes.

A Dynamic EQ feature optimizes your voice quality when on calls and automatically adjusts the audio settings when you’re listening to music or multi-media playback.



Portable with case

Features ear cushions that fold flat, and includes a high-quality carrying case for easy storage and portability.

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Getting Started

Connect to Your Computer

Connect USB cable to your computer.


Packaging Contents

Headset, carrying case and quick start guide

Wearing Style

Monaural (510), Stereo (520)

Audio Performance

Dynamic EQ, microphone frequency response 100 Hz–8kHz optimal for wideband voice telephony (up to 6,800 Hz), hi-fi stereo output from 20 Hz-20 kHz (C520 only), enhanced digital signal processing (DSP), noise-canceling microphone

Hearing Protection

SoundGuard®: Acoustic limiting for protection against sounds above 118 dBa

Microphone Noise Reduction


Call Control

Call answer/end, mute, volume +/-

Standard Model Number


Optimized for Microsoft® Lync™ 2013 Model Number



Windows® or Mac® OS

Service & Support

2-Year limited warranty

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