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The Poly Blackwire 3320 USB-A is a wired, dual-ear (stereo) headset designed for clear communication and audio playback. It features a boom microphone for voice clarity and connects to your PC, Mac, or cell phone via USB-A. This headset is optimized for use with various communication platforms, including Teams and Zoom, offering a reliable and comfortable audio solution for professionals.

Image: The Poly Blackwire 3320 USB-A stereo headset, showing the over-ear design, adjustable boom microphone, and the inline control unit with a USB-A connector.
O que está na caixa
The Blackwire 3320 USB-A package typically includes the following components:
- Poly Blackwire 3320 USB-A Wired Stereo Headset
Configurar
Setting up your Blackwire 3320 USB-A headset is a straightforward process. No additional software or drivers are typically required for basic functionality.
Conectando-se ao seu dispositivo
- Identify the USB-A Port: Locate an available USB-A port on your computer (PC or Mac) or compatible cell phone adapter.
- Plug in the Headset: Insert the USB-A connector of your Blackwire 3320 headset firmly into the USB-A port.
- Reconhecimento do sistema: Your operating system should automatically detect the headset and install any necessary generic drivers. This may take a few moments.
- Selecione como dispositivo de áudio: In your computer's sound settings or your communication application (e.g., Teams, Zoom), select "Poly Blackwire 3320" as your default audio input (microphone) and output (speaker) device.

Image: A diagram illustrating the approximate dimensions of the headset, indicating its compact size and fit.
Instruções de operação
The Blackwire 3320 features an inline control unit for easy management of calls and audio settings.
Usando o fone de ouvido
- Adjust the headband for a comfortable fit over your head.
- Position the ear cushions over your ears. The speakers can pivot 180 degrees for optimal positioning.
- Position the flexible microphone boom approximately two finger-widths from the corner of your mouth for best voice pickup.
Inline Control Unit Functions
The inline control unit provides quick access to essential call and audio functions:
- Botão de aumentar o volume (+): Pressione para aumentar o volume de áudio.
- Botão para diminuir o volume (-): Pressione para diminuir o volume de áudio.
- Botão Mudo: Press to mute or unmute the microphone during a call. A red indicator light on the control unit typically signifies mute.
- Call Control Button (Phone Icon):
- Pressione para atender uma chamada recebida.
- Press to end an active call.
- Press to make a call (if supported by your application).
Manutenção
Proper care and maintenance will extend the life of your Blackwire 3320 headset.
- Limpeza: Use a soft, dry, lint-free cloth to clean the headset. For ear cushions, a slightly damp Pode-se usar um pano com sabão neutro, mas certifique-se de que esteja completamente seco antes de usar. Não use produtos químicos agressivos ou abrasivos.
- Armazenar: Quando não estiver em uso, guarde o fone de ouvido em local limpo e seco, longe de temperaturas extremas e da luz solar direta. Evite que o cabo se enrole.
- Cuidados com os cabos: Não puxe o cabo para desconectar o fone de ouvido. Segure sempre o conector USB. Evite dobras ou torções acentuadas no cabo.
Solução de problemas
If you encounter issues with your Blackwire 3320 headset, refer to the following common problems and solutions:
| Problema | Solução possível |
|---|---|
| Sem áudio nos alto-falantes do fone de ouvido. |
|
| O microfone não está funcionando. |
|
| A qualidade do som é ruim ou distorcida. |
|
| Headset not recognized by computer. |
|
Especificações
| Recurso | Detalhe |
|---|---|
| Nome do modelo | Blackwire 3320 USB-A |
| Número do modelo | 213934-01 |
| Tecnologia de Conectividade | Com fio (USB-A) |
| Estilo de uso | Dual-ear (Stereo), Over-the-head |
| Microfone | Flexible Noise-Canceling Boom Mic |
| Desempenho de áudio | Wideband audio, Enhanced Digital Signal Processing (DSP) |
| SoundGuard Technology | Acoustic limiting for protection against sounds above 118 dBA |
| Faixa de frequência | 20 Hz - 20,000 Hz |
| Controles | Inline control unit (Volume Up/Down, Mute, Call Answer/End) |
| Comprimento do cabo | 7 pés |
| Peso do item | 4.6 onças (130 gramas) |
| Dispositivos compatíveis | PC, Mac, Cellphones (via USB-A) |
Informações de garantia
The Poly Blackwire 3320 USB-A headset comes with a Garantia global de 2 ano. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the official Poly warranty documentation or contact Poly support.
Apoiar
For further assistance, technical support, or to access additional resources, please visit the official Poly support website ou loja da marca:
- Poly Brand Store: https://www.amazon.com/stores/Poly/page/F4BD54E6-2BFB-492D-A777-D4ED104038D5
- Manual do usuário (PDF): https://manuals.plus/m/469a902d7f026c019ef48519a4601c7fcbeb280e55cab9d5fc046a5aabf10f47
You may also find updated drivers or firmware on the official Poly website to ensure optimal performance of your headset.





