1. Introducció
The Poly Blackwire C5220 is a wired, dual-ear (stereo) headset designed for professionals requiring reliable audio communication. It features a boom microphone and offers versatile connectivity options including USB-A and 3.5 mm, making it compatible with PCs, Macs, tablets, and cell phones. This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your headset.

Figure 1: Poly Blackwire C5220 Wired Headset, showcasing its dual-ear design and integrated boom microphone.
2. Què hi ha a la caixa
Your Poly Blackwire C5220 package includes the following components:
- Blackwire C5220 Headset (with attached USB-A cable and 3.5mm jack)
- Estoig de transport suau
- Quick Start Guide (physical card)

Figure 2: The Blackwire C5220 headset, its inline controls, and the included carrying case, highlighting its wired USB-A connectivity.
3. Configuració
The Blackwire C5220 headset offers plug-and-play functionality for quick setup.
- Connectar-se a PC/Mac: Insert the USB-A connector of the headset into an available USB-A port on your computer. The headset will be automatically recognized by your operating system.
- Connect to Mobile Device/Tablet: Disconnect the 3.5mm jack from the USB-A inline control unit. Plug the 3.5mm jack directly into the audio port of your mobile phone or tablet.
- Instal·lació del programari (opcional): For enhanced features and customization, download and install the Poly Lens Desktop App from the official Poly website. This software allows for firmware updates, personalized settings, and troubleshooting.
4. Funcionament dels auriculars
The inline control unit provides easy access to essential call management functions.
- Botó de trucada: Premeu per respondre o finalitzar una trucada.
- Puja el volum (+): Premeu per augmentar el volum d'escolta.
- Baixar el volum (-): Premeu per disminuir el volum d'escolta.
- Botó de silenci: Press to mute or unmute the microphone. An audible voice prompt will confirm "Mute On" or "Mute Off".

Figure 3: A user wearing the Blackwire C5220 headset, demonstrating the position of the noise-canceling microphone for clear voice capture.
5. Compatibilitat
The Blackwire C5220 headset is designed for broad compatibility with various communication platforms and devices.
- Sistemes operatius: Compatible with PC (Windows) and Mac.
- Communication Platforms: Optimized for Microsoft Teams and other leading collaboration platforms such as Zoom, GoToMeeting, Skype, Google Meet, and Webex.
- Dispositius: Connects to PC/Mac via USB-A, and to tablets and cell phones via 3.5 mm audio jack.

Figure 4: A user engaged in a video call, illustrating the headset's compatibility with Microsoft Teams and other collaboration platforms.
6. Comfort and Wearing Style
The Blackwire C5220 is engineered for extended wear and user comfort.
- Coixinets per a les orelles: Features ultra-soft leatherette ear cushions wrapped around pillow-soft memory foam for all-day comfort.
- Diadema: A lightweight cushioned metal headband provides durability and allows for a comfortable, custom fit.
- Estil de vestir: Over-the-head style with two earpieces. The boom microphone can be positioned on either the left or right side, offering reversible wear.

Figura 5: Primer pla view of the headset's ear cushions, emphasizing the ultra-soft leatherette and memory foam for enhanced comfort.
7. Rendiment d'àudio
Experience clear and consistent audio with your Blackwire C5220 headset.
- Micròfon amb cancel·lació de soroll: Ensures your voice is heard clearly by minimizing background noise.
- Qualitat d'àudio: Automatically switches between wideband for telephony and hi-fi stereo for music, providing superb audio quality for various uses.
- SoundGuard DIGITAL: Protects against sound levels over 118 dBA, sudden loud sounds, and long-term exposure, ensuring safe listening.
8. Manteniment
Per garantir la longevitat i el rendiment òptim dels auriculars, seguiu aquestes pautes de manteniment:
- Neteja: Gently wipe the ear cushions and headband with a soft, damp tela. Eviteu utilitzar productes químics o materials abrasius.
- Emmagatzematge: When not in use, store the headset in its provided soft carrying case to protect it from dust and physical damage.
- Cura del cable: Avoid sharp bends or excessive pulling on the cable to prevent internal wire damage. The detachable 3.5mm jack from the USB-A inline control unit is designed to prevent damage if the cable is accidentally pulled.
9. Solució De Problemes
If you encounter issues with your Blackwire C5220 headset, try the following solutions:
| Problema | Possible solució |
|---|---|
| No hi ha àudio ni el micròfon funciona. |
|
| Mala qualitat d'àudio o estàtica. |
|
| Inline controls not responding. |
|
10. Especificacions
| Característica | Detall |
|---|---|
| Nom del model | Auriculars Plantronics Blackwire C5220 |
| Tecnologia de connectivitat | USB-A, 3.5 mm audio jack |
| Estil de vestir | Over-the-head, Dual-Ear (Stereo) |
| Micròfon | Noise-canceling boom mic |
| Audio Protection | SoundGuard DIGITAL (protects against sound levels over 118 dBA) |
| Coixinets per a les orelles | Ultra-soft leatherette with memory foam |
| Resposta de freqüència (auriculars) | 20 Hz - 20,000 Hz |
| Resposta de freqüència (micròfon) | 100 Hz - 6,800 Hz |
| Pes de l'article | 164.2 grams (aproximadament 5.8 unces) |
| Número de model | 207576-01 (Item model number: 207576-03) |
11. Garantia i Suport
The Poly Blackwire C5220 headset comes with a Garantia global d'2 any.
For further assistance, technical support, or warranty claims, please visit the official Poly support weblloc web o consulteu la informació de contacte que es proporciona a l'embalatge del producte.
You can also refer to the official user guide PDF for more detailed information: Guia de l'usuari (PDF)





