Poly Blackwire 3225 Wired Stereo USB-C Headset (8X229AA)
The Poly Blackwire 3225 Wired Stereo USB-C Headset (8X229AA) delivers exceptional audio clarity and versatile multi-device connectivity for modern remote professionals, call centers, and hybrid workers. Engineered with active Digital Signal Processing (DSP) and an intuitive noise-cancelling microphone, this headset harnesses processing power to eliminate background office chatter and deliver crisp, natural voice calls. Designed with unified communication (UC) platforms in mind, it provides dynamic acoustic power that automatically adjusts EQ settings for crystal-clear voice calls and high-fidelity media playback.
Offering versatile triple-connectivity, the Blackwire 3225 includes a native 3.5mm audio jack, a direct USB-C connector, and an included USB-C to USB-A adapter. The inline controls provide full management power over volume levels, call answering, and instant mic muting right at your fingertips. Featuring soft leatherette ear cushions, a lightweight metal headband, and fold-flat earcups with a carrying case, it packs portable power for professionals on the go. Supported by a 12-Month Warranty, this brand-new unit supplies long-lasting durability and acoustic protection power against sudden sound spikes.
Technical Specifications
| Feature | Technical Specification |
| Model / Part Number | Poly Blackwire 3225 Stereo / 8X229AA |
| Condition & Warranty | Brand New — 12-Months (1-Year) Warranty |
| Connectivity Interface | 3.5mm Audio Plug + USB Type-C® with Tethered USB-A Adapter |
| Microphone Type | Noise-Cancelling Omnidirectional Mic with Flexible Boom |
| Audio Processing | Digital Signal Processing (DSP), Dynamic EQ & SoundGuard (Acoustic Protection) |
| Speaker Bandwidth | 20 Hz – 20 kHz (Media Mode) / 200 Hz – 6.8 kHz (Speech Mode) |
| Microphone Bandwidth | 100 Hz to 10 kHz |
| Inline Controller | Call Answer/End/Hold, Mute, Volume Up/Down (+/-) |
| Wearing Style | On-Ear Hi-Fi Stereo with Adjustable Metal Headband |
| Ear Cushions & Portability | Soft Artificial Leatherette / Fold-Flat Earcups with Carrying Case |
| Weight | 119 g (with cable) / 92 g (headset only) |
| Software Management | Supported by Poly Lens Desktop App (Firmware & Customizations) |
Key Features & Benefits
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Noise-Cancelling Boom Microphone: Filters out ambient room noise so clients and team members hear only your voice clearly.
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Universal 3-in-1 Connectivity: Effortlessly switch between PC, Mac, tablets, and mobile devices using 3.5mm, USB-C, or USB-A.
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Dynamic EQ Technology: Automatically optimizes audio settings between voice calls and music playback without manual adjustments.
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SoundGuard Acoustic Protection: Safeguards hearing against sudden loud audio bursts above 118 dBA.
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Inline Control Unit: Manage calls, adjust volume, or mute your microphone quickly with dedicated LED status indicators.
Key Pros
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Flexible 3.5mm, USB-C, and USB-A plug-and-play capability across all major UC platforms (Zoom, Teams, Google Meet).
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Dynamic sound processing provides the audio power needed for both high-clarity voice calls and rich media listening.
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Lightweight metal headband ensures all-day wearing comfort without excessive clamping force.
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Includes a protective travel case and fold-flat ear cushions for easy transport.
Suitable Application Areas
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Call Centers & Customer Support: Heavy-duty daily phone and softphone usage requiring clear voice pick-up.
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Remote Work & Online Meetings: Daily video conferences via Microsoft Teams, Zoom, Webex, and Skype.
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Mobile Field Professionals: Fast 3.5mm connection to smartphones and tablets when working on the move.
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e-Learning & Virtual Classrooms: Comfortable audio setup for students and tutors during extended online classes.
Product Variations & Pricing
| Poly Blackwire Headset Model | Wearing Style | Connectivity Options | Price Range (KSh) |
| Poly Blackwire 3210 | Monaural (Single-Ear) | USB-A or USB-C | KSh 5,500 – KSh 7,000 |
| Poly Blackwire 3220 | Binaural (Stereo) | USB-A or USB-C | KSh 6,500 – KSh 8,000 |
| Poly Blackwire 3225 (8X229AA) | Binaural (Stereo) | 3.5mm + USB-C + USB-A Adapter | KSh 8,500 – KSh 11,000 |
| Poly Voyager Focus 2 UC | Stereo Wireless | Bluetooth + USB Dongle | KSh 32,000 – KSh 42,000 |
Shop for more Poly deals: Discover our extensive selection of enterprise headsets, speakerphones, and audio gear at Potent.it Computer Accessories & Headsets.
Available at Potent.it Store & Online Purchase Countrywide Delivery — FAQs
Q: Can I connect this headset directly to my smartphone or tablet? A: Yes. You can unplug the 3.5mm audio jack from the USB inline controller and plug it directly into any smartphone, tablet, or laptop equipped with a standard 3.5mm audio port.
Q: Where can I find official setup guides and software for this headset? A: You can access user manuals, setup instructions, and firmware update tools directly via the official Poly Blackwire 3200 Series Setup Guide & Support Page.
Q: Does call control (mute/answer) work when using the 3.5mm plug on mobile devices? A: Call control functionality via the inline buttons is primary to the USB interface on PCs and Macs. When connected purely via the 3.5mm jack, call controls depend on your mobile device’s operating system.
What is in the Box?
- 1 x Poly Blackwire 3225 Stereo USB-C Headset with Inline Control (8X229AA)
- 1 x Tethered USB-C to USB-A Adapter
- 1 x Soft Protective Travel Carrying Case
- 1 x User Quick Start Guide & Setup Documentation
- 1 x Potent.it 12-Month Warranty Card & Official Purchase Invoice
Verdict
The Poly Blackwire 3225 Wired Stereo USB-C Headset (8X229AA) is a premier wired audio solution that perfectly balances durability, superior acoustic performance, and cross-platform flexibility. With its hybrid 3.5mm and USB-C/A connections, active noise cancellation, and lightweight ergonomic design, it delivers outstanding value for enterprise offices, call centers, and remote working environments.





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