Poly Blackwire 3200 Series
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Poly Blackwire 3200 Series

  • Available in both monaural (C3210 / C3215) and hi-fi stereo (C3220 / C3225) variants

  • Supports USB-C / USB-A connectivity, with selected models having 3.5 mm jack support for mobile devices (C3215 / C3225)

  • Inline controls for call functions (mute, volume, answer/end) built into the cable Audio optimizations: Dynamic EQ (automatically adjusts for voice or media), noise-canceling mic, and SoundGuard protection (caps loud spikes)

The Poly Blackwire 3200 Series is a line of wired (corded) UC headsets designed for professional use—targeted at users who need reliable, high-quality audio for calls, webinars, and multimedia.

These headsets come in monaural (one-ear) or stereo (two-ear) variants, and offer multiple connectivity options (USB-C, USB-A, and 3.5 mm in some models) to support PCs, tablets, and mobile devices.

They include inline call controls (answer/end, volume, mute), audio enhancements like Dynamic EQ, and hearing protection via SoundGuard (limiting audio spikes above 118 dBA).

Specification

Feature Specification / Range
Models / Variants C3210, C3215 (monaural) C3220, C3225 (stereo) 
Connectivity / Interface USB-C cable (with tethered USB-A adapter)  3.5 mm jack for mobile in C3215 / C3225 models 
Microphone Type Noise-canceling boom mic 
Mic Frequency Response 100 Hz – 10 kHz 
Mic Sensitivity –38 dBV/Pa ± 4 dB 
Speaker / Audio Modes Speech mode: ~200 Hz – 6.8 kHz (voice) Media / stereo mode (in stereo variants): 20 Hz – 20 kHz 
Speaker Size / Driver 28 mm drivers (for stereo models) 
Impedance 32 Ω 
Inline Controls / Buttons Call answer / end, mute, volume up / down built into cable 
Audio Protection / Safety SoundGuard (audio limiting for protection above 118 dBA) 
Boom Rotation / Length 270° rotatable boom; boom length ~130 mm 
Weight (with cable) ~87 g (monaural) / ~118 g stereo variant 
Cable Lengths Inline module to headset: ~790 mm (for C3210/C3220) USB to inline module: ~900 mm Total length approx 1.6–2.3 m (varies by model) 
Compatibility (OS / Software) Windows, macOS; supports Poly Lens / Plantronics Hub for configuration 
Accessories USB-C to USB-A adapter, carrying pouch (in some models) 

Additional Resources

Data-Sheet :

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