Poly Backwire 3225 Stereo USB‑C Headset + 3.5 mm Plug + USB‑C/A Adapter (Bulk)
In today’s hybrid world of desktop setups, mobile devices, and shared workspaces, having a versatile, high-quality wired headset is essential. The Poly Backwire 3225 offers everything professionals need: flexibility, audio clarity, comfort, and durability. With USB‑C, 3.5 mm jack, and USB‑A adapter included, this headset is ready for modern and legacy devices alike—making it a smart choice for enterprises, call centers, and remote workers.
Poly brings its signature audio prowess to the Poly Backwire 3225. It features:
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Stereo wideband sound for immersive media playback and crystal-clear calls
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Dynamic EQ, intelligently switching between optimized call EQ (200 Hz–6.8 kHz) and multimedia EQ (20 Hz–20 kHz) for richer audio.
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Noise-canceling, rotatable boom mic (270°; 130 mm), reducing ambient noise and ensuring your voice stands out.
Additionally, SoundGuard technology safeguards hearing by limiting sudden volume spikes over 118 dBA.
The Poly Backwire 3225 is built for versatile use:
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USB‑C cord for modern laptops, tablets, smartphones
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Tethered USB‑A adapter included for legacy PCs and docking stations
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Detachable 3.5 mm plug for mobile devices not supporting USB audio
With these options, one headset works across all your devices—no need for multiple models.
This Poly Backwire 3225 headset is built for daily use:
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Lightweight metal headband balances durability and comfort
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Leatherette ear cushions fold flat for easy transport
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Folds compactly into a laptop bag or coat pocket—ideal for travel
Weighing only 119 g (with cable), it’s light enough for prolonged wear.
The Poly Backwire 3225 headset features on-cable controls for:
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Answer/end, hold, and redial
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Mute microphone
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Volume up/down
These buttons simplify call handling and media control across platforms.
Plug-and-play compatibility across:
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Windows 10/11, macOS, Android, iOS
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All major UC platforms (Teams, Zoom, Webex, etc.)
No drivers required—just plug in and go.
This is a Poly Backwire 3225 bulk-packaged headset, ideal for deployment in offices, training centers, or classrooms. Each unit includes:
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Headset
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USB‑C cable
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USB‑C to USB‑A adapter
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User guide
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Travel case (regional detail varies)
Perfect for:
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Enterprises & call centers—bulk deployable, easy IT management, durable controls
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Remote professionals—use across switches between PC, laptop, and mobile
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Educators and Trainers—robust headset with case and travel adaptability
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Hybrid workers—comfort and portability for home-to-office commutes
Not ideal if:
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You need long-term ruggedness—cable insulation and pads may require replacement
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You mix heavy media or gaming usage—mic‑on‑EQ might bias call-first sound
| Feature | Details |
|---|---|
| Model | Poly Blackwire 3225 (8X229AA / 8X229A6) |
| Connectivity | USB‑C + 3.5 mm + USB‑C→USB‑A adapter |
| Speaker Type | Binaural on-ear, 28 mm drivers |
| Frequency Range | 20 Hz–20 kHz (media); 200 Hz–6.8 kHz (calls) |
| Impedance | 32 Ω |
| Boom Mic | Noise-canceling, omni 130 mm, 270° rotatable |
| Mic Frequency | 100 Hz–10 kHz |
| Cable Length | 227 cm total |
| Inline Controls | Call, mute, redial, volume |
| Weight | 119 g (with cable); 92 g (without cable) |
| Dimensions | 155 × 32 × 178 mm |
| Hearing Protection | SoundGuard (max 118 dBA) |
| Certifications | TCO Certified, UC toolkit support |
| Warranty | 2 years (Poly standard) |
The Poly Backwire 3225 is an excellent wired headset for multi-device, multi-user environments. It delivers balanced audio, clear mic performance, and hands-on inline controls, all within a comfortable, travel-ready package. Tri-connectivity ensures compatibility with modern and legacy devices, making it a smart choice for IT rollouts or hybrid professionals.
Potential buyers should note the possibility of wear on cables and cushions over time and consider the EQ shift during active calls if they use it frequently for media or gaming. But for voice-first use—like meetings, learning, or call-intensive work—it stands out as a dependable and versatile solution.





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