HP Poly 7S4M7AA Poly Blackwire C3225 Wired Stereo Headset - Noise-Cancelling Microphone - On-Ear/Over-the-Head Design - 32 Ohm - 20 Hz-20 kHz - Dual
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Product Features
Technical Overview
The Blackwire C3225 integrates advanced audio processing technologies including Dynamic EQ, Digital Signal Processing (DSP), and SoundGuard Technology to optimize sound clarity and protect against acoustic shock. Its 1.10" (28 mm) drivers deliver balanced stereo output, while the flexible, rotating microphone ensures precise voice pickup. The headset's wired connectivity provides reliable, continuous operation without battery concerns.
Built for durability and comfort, the C3225 weighs approximately 2.26 oz (64 g) without cable, reducing fatigue during long sessions. Its cable measures 7.4 ft (2.27 m), offering ample reach for desk setups. The headset is compatible with Windows and macOS platforms, supporting a wide range of business and personal applications.
Relevant factors for this section include Connectivity Technology, Cable Length, Sound Mode, Earpiece Design. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The Poly Blackwire C3225 stands out with its dual-interface flexibility, allowing seamless switching between traditional 3.5mm audio jacks and modern USB-C ports. This adaptability makes it ideal for hybrid work environments where users may switch between legacy and contemporary devices. The headset's noise-cancelling microphone technology actively reduces background noise, ensuring crystal-clear voice transmission in busy offices or home settings.
Enhanced Audio Features
Dynamic EQ and DSP automatically adjust audio levels for optimal clarity, while Wideband Audio expands frequency range for more natural voice reproduction.
- SoundGuard Technology protects hearing
- Acoustic Shock Protection reduces sudden loud noises
Ergonomic Design
The lightweight construction and adjustable headband distribute weight evenly, while the supra-aural design minimizes heat buildup during extended wear.
- Leatherette ear cushions enhance comfort
- Rotating microphone allows precise positioning
Deployment / Use Cases
The Blackwire C3225 is particularly effective for business voice calls, supporting clear communication in call centers, office meetings, and remote work scenarios. Its compatibility with tablets and mobile devices makes it equally valuable for on-the-go professionals who need reliable audio during travel or client visits. The headset's simple plug-and-play operation eliminates software installation hassles, enabling immediate productivity.
For home office users, the C3225 provides a professional-grade audio solution for video conferencing, online learning, and multimedia consumption. Its durable build and fold-flat design facilitate easy storage and transport between workspaces. The headset's 2-year limited warranty offers additional peace of mind for organizational deployments.
Business Communication
Ideal for contact centers, help desks, and corporate environments where noise reduction and voice clarity are critical.
- Supports Windows and macOS platforms
- Wideband Audio enhances voice naturalness
Mobile & Hybrid Work
Perfect for professionals using laptops, tablets, or smartphones in various locations, thanks to dual connectivity and portable design.
- USB-C for modern devices
- 3.5mm for legacy equipment
Physical Profile
The Blackwire C3225 features a compact supra-aural form factor measuring 7.01" (178 mm) in height, 6.10" (155 mm) in width, and 1.26" (32 mm) in depth. Its all-black finish presents a professional appearance suitable for corporate environments. The headset's lightweight construction and fold-flat design make it easy to store in bags or desk drawers when not in use.
- Width
- 6.10" (155 mm)
- Depth
- 1.26" (32 mm)
- Height
- 7.01" (178 mm)
- Weight
- 2.26 oz (64 g)
- Length
- 7.4 ft (2.27 m)
What's in the Box
The package includes the Blackwire C3225 headset (top only) with integrated cable. No additional adapters or accessories are included, keeping the setup straightforward and minimal.
Highlights
- Noise-cancelling boom microphone reduces background noise for clear conversations
- Dual Mini-phone (3.5mm) and USB Type C connectivity for versatile device compatibility
- On-ear, over-the-head supra-aural design with adjustable headband for comfort
- 20 Hz to 20 kHz frequency response delivers immersive audio quality
- Dynamic EQ and Digital Signal Processing (DSP) optimize sound clarity
- Fold-flat construction enhances portability for mobile professionals
- Compatible with Windows, macOS, PCs, Macs, tablets, and mobile devices
- Lightweight design at 2.26 oz (64 g) reduces wearing fatigue
- SoundGuard Technology and Acoustic Shock Protection enhance audio safety
- 2-year limited warranty provides reliable long-term coverage
Specifications
| Specifications | |
|---|---|
| Manufacturer | HP Inc. |
| Manufacturer Part Number | 7S4M7AA |
| Brand Name | Poly |
| Product Line | Blackwire |
| Product Series | 3200 |
| Product Model | C3225 |
| Product Name | Blackwire C3225 Headset |
| Packing | Box |
| Product Type | Headset |
| Technical Information | |
| Connectivity Technology | Wired |
| Cable Length | 7.4 ft (2.27 m) |
| Sound Mode | Stereo |
| Impedance | 32 Ohm |
| Minimum Frequency Response | 20 Hz |
| Maximum Frequency Response | 20 kHz |
| Noise Canceling | Yes |
| Features | Dynamic EQ,Digital Signal Processing (DSP),SoundGuard Technology,Flexible Microphone,Wideband Audio,Durable,Comfortable,Lightweight,Fold-flat,Rotating Microphone,Acoustic Shock Protection |
| Adjustable Headband | Yes |
| Earpiece | |
| Earpiece Design | On-ear,Over-the-head |
| Earpiece Type | Binaural |
| Driver Size | 1.10" (28 mm) |
| Microphone | |
| Microphone Design | Boom |
| Microphone Technology | Noise Cancelling |
| Interfaces/Ports | |
| Host Interface | Mini-phone (3.5mm),USB Type C |
| Physical Characteristics | |
| Color Family | Black |
| Color | Black |
| Form Factor | Supra-aural |
| Height | 7.01" (178 mm) |
| Width | 6.10" (155 mm) |
| Depth | 1.26" (32 mm) |
| Weight (Approximate) | 2.26 oz (64 g) |
| Weight (Approximate) with Cable | 3.07 oz (87 g) |
| Miscellaneous | |
| Package Contents | Headset (top only) |
| Application/Usage | Voice Call,Tablet,Phone,Business,Home,Mobile Device |
| Country of Origin | Mexico |
| Operating System Platform | Windows,macOS |
| Platform Supported | PC,Mac |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What devices are compatible with the Poly Blackwire C3225 headset?
The Blackwire C3225 is compatible with devices featuring Mini-phone (3.5mm) audio jacks or USB Type C ports. This includes Windows and macOS computers, Macs, tablets, smartphones, and other mobile devices. The headset supports plug-and-play operation without requiring additional drivers for most systems.
Does this headset have noise cancellation for both microphone and audio?
Yes, the C3225 features noise-cancelling microphone technology that reduces background noise during voice calls. While the earpieces do not include active noise cancellation for audio playback, the supra-aural design provides natural passive isolation. The microphone's noise cancellation ensures clear voice transmission in noisy environments.
What is the cable length and does it affect audio quality?
The cable measures 7.4 feet (2.27 meters), providing ample reach for desk setups without excessive slack. As a wired headset, the C3225 maintains consistent audio quality regardless of cable length, with no signal degradation or latency issues common in wireless models. The cable's length supports flexible positioning while maintaining reliable connectivity.
Is the Blackwire C3225 comfortable for all-day wear?
Yes, the C3225 is designed for extended wear with its lightweight construction (2.26 oz without cable), adjustable headband, and leatherette ear cushions. The on-ear, over-the-head supra-aural design distributes pressure evenly, minimizing discomfort during long sessions. The headband and earpieces are engineered to reduce heat buildup and fatigue.
What audio technologies are included in this headset?
The C3225 incorporates Dynamic EQ for automatic audio adjustment, Digital Signal Processing (DSP) for sound optimization, SoundGuard Technology to protect against volume spikes, and Wideband Audio for enhanced voice naturalness. These technologies work together to deliver clear, balanced audio for both communication and multimedia playback.
Can I use this headset with both my computer and mobile phone?
Absolutely. The dual Mini-phone (3.5mm) and USB Type C interfaces allow seamless switching between computers and mobile devices. You can connect to a desktop PC via USB-C for business calls, then plug into a smartphone's 3.5mm jack for personal use. This flexibility makes the C3225 ideal for hybrid work environments.
| Qty | Price | Available |
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