Blackwire 3325 USB headset

The Poly Blackwire 3325 is a wired stereo (dual ear) USB headset for Plug and Play computer connection with an additional 3.5mm jack for connecting to mobile phones and tablets. Sleek and easy to use, the Blackwire 3325 offers best-in-class sound quality, a flexible fit, an adjustable arm and 180-degree rotating speakers.

The Poly Blackwire 3300 series is compatible with Windows and Mac operating systems. They are suitable for long-term use thanks to a padded headband, soft ear cushions and a lightweight design.

Why not choose a headset that looks good, feels good, and sounds good? Built for style with the sound quality, comfort, and reliability we're known for, our Blackwire 3300 Series delivers the best value in its category. Connect quickly and easily to any device and take it with you wherever you go. Boost your confidence on the call.

All Poly USB headsets and personal speakers are compatible with the most popular voice platforms – they just work. Poly solutions deliver great sound quality for both you and those on the other end of the call – regardless of your chosen platform. Compatible with Microsoft Teams, Skype for Business, Zoom, Cisco, Google, Mitel, Rubbon, Avaya, Alcatel Lucent, Amazon AWS Partner Network and many more.

Simplicity meets flexibility. Plug-n-play with USB and your favorite device. Rugged design delivers reliability you can count on. Plus, the Blackwire 3315/3325 models come with leather ear cushions, a travel pouch, and a 3.5mm jack for your mobile phone or tablet. Take calls in the office or on the go

Key features:

• USB connection for computer and 3.5 mm jack for mobile and tablet computers
• Optimized for Unified Communications
• Noise-cancelling microphone
• Wideband audio
• Dynamic EQ and SoundGuard hearing protection
• Digital Signal Processing (DSP)
• Compatible with Plantronics Manager Pro software
• Built-in control: Answer/End/Volume adjustment and mute
• Lightweight metal headband, durable and adjustable

Same summary

The HP Poly Blackwire 3325 Headset is designed primarily for users who spend most of their time in an office environment or work from home, where a quality microphone and comfort for long-term use are important. Thanks to wired connectivity via USB and a 3.5 mm connector, they offer reliable audio transmission without delays, which users appreciate for video calls and focused work. The over-ear design provides good passive isolation, which makes it easier to concentrate in open offices or in a room with moderate noise, but the headset is not the best choice for those who need complete freedom of movement or intense sports use. The noise-canceling microphone and high-quality wideband sound stand out in particular, and are recommended for business communication.

Recommendation source: Enaa guides and team experiences.

User view

Users of these headphones most often choose them for working on the computer, video meetings and listening to music when they want all-day comfort. In practice, they are often used by those who need a reliable wired connection without worrying about battery life or interruptions. The noise-canceling microphone helps ensure that conversations are clear regardless of the surrounding noise. If you are interested in learning more about the different types of headphones and what to consider when choosing, you can find more information in our headphone selection guide .

Many users also appreciate the ecosystem and quality of HP Poly brand products, as this gives them additional confidence in long-term use and good support even in a business environment.

Why buy at Enaa

When shopping on Enaa, the experience is simple and tailored to modern users, as you can quickly find verified products from different categories. Users often emphasize the reliable product selection and clear presentation of information in the online store, which further facilitates the decision.

Answers to frequently asked questions

Are the HP Poly Blackwire 3325 headsets suitable for long-term office use?

Yes, due to their over-ear design and lightweight frame, they are suitable for long-term use and provide comfort during all-day work.

Can I use these headphones with a mobile phone?

The headphones can also be connected to devices that have a 3.5mm input, including some mobile phones. We recommend checking if your phone supports this connection.

Does the microphone perform well in noisy environments?

The noise-canceling microphone effectively reduces ambient noise, so speech is clear even in open offices or when working from home with multiple distractions.

Does a wired connection mean better sound quality compared to wireless headphones?

Wired headphones often offer a more stable connection and less latency, which is important for video calls, gaming, or listening to music where accuracy and consistency are a priority.

What should I consider when choosing headphones for business use?

Comfort, a quality microphone, and a reliable connection are important for business use; you can also find more tips in our headset selection guide .

Description updated: June 2026