Poly Blackwire 8225 Microsoft Teams Certified Stereo USB-A Headset 772K3AA
Keep noise down and productivity up. Stay focused with the Blackwire 8225 corded Microsoft Teams Certified headset.
Features

Sound like a winner
With the Blackwire 8225, your voice is the only thing heard, not the chaos around you. Its noise-canceling microphone with Acoustic Fence technology puts you in a quiet office, even if you're in a noisy kitchen.
Stay focused
It's no secret that tuning out background noise makes you more productive. Hybrid active noise canceling (ANC) makes it easy to escape the noise around you. And three ANC settings mean you can fine-tune your level of quiet where you work.
Long-lasting comfort
The Blackwire 8225 is crafted from premium materials with a lightweight design. You will get a comfortable, customized fit using adjustment markers and 180° pivoting speakers. You'll fall in love with the aesthetic design and robust look and feel.
Stay distraction-free on calls
Advanced hybrid ANC
Optimize audio comfort and quality with advanced hybrid active noise canceling (ANC) by choosing between three settings.
Acoustic Fence technology
Reduce disruptions from close talkers and environmental noise with the flexible, noise canceling microphone enhanced with Acoustic Fence technology.
Connectivity options
Allows greater flexibility of use by offering choices: USB-A or USB Type-C.
Lightweight design
Padded headband and soft leatherette ear cushions provide all day comfort.
Technical Specification
Headphone type: On-ear
Product type: Headset
Connectivity technology: Wired
Compatibility: Compatible with PCs and desk phones with available USB Type-A port
Boom mic length (mm): 135 mm
Sensitivity (microphone): 10 dB SLR
Signal-to-noise ratio: >24 dB
Impedance: 32 ohm
Cable length: 63 cm (inline module to headset); 149 cm (USB to inline module); 219 cm (total USB to headset)
Nominal sound pressure level: 94 dB SPL
Button user controls: Call answer/end; Mute; Volume +/-; Microsoft Teams; ANC: off, low, high
Sensitivity (speaker): 6 dB RLR
Microphone type: Omnidirectional
Speaker size: 32 mm
Speaker bandwidth: 200 Hz to 6.8 kHZ (speech mode); 20 Hz to 20 kHZ (media mode)
Microphone bandwidth: 100 Hz to 10 kHz
Boom mic rotation: 280°
Ear cushions: Artificial leather (surface material)
Acoustic protection technology: SoundGuard Digital
Product colour: Black
What's in the box
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Poly Blackwire 8225-M
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User guide