Poly Plantronics Blackwire 7225 Active Noise Cancelling Headset, USB-A (Black)
The Poly Blackwire 7225 is a corded, “boomless” stereo USB headset (USB-A) designed for office professionals in noisy environments. It combines active noise cancelling (ANC) with four built-in microphones to reduce ambient noise and deliver clearer voice calls while also being suitable for hi-fi audio.
Description:
- Connection Type: USB-A for PC / Mac connectivity.
- Wearing Style: Over-the-head, stereo earcups.
- Microphones: Four omni-directional microphones placed in the earcups to detect ambient noise from all directions and separate the speaker’s voice using DSP
- Active Noise Cancelling (ANC): On-demand; helps block low-frequency background noise.
- OpenMic Feature: Ability to let in ambient sound when needed (e.g. hearing your surroundings) via OpenMic mode.
- Audio Performance: Hi-Fi stereo sound; receive frequency response 20 Hz to 20 kHz.
- Speaker Size & Sensitivity: 32 mm speakers; speaker sensitivity approx 127 dB ±1.5 dB.
- Speaker Impedance: 32 ohms.
- Microphone Frequency Response: 100 Hz to 10 kHz.
- Microphone Sensitivity: –26 dBFS ±3 dB.
- Weight: Around 0.34 lbs (approx 155 grams) for the headset.
- Color Options: Available in black and white.
- Controls: On-earcup controls for call answer/end, mute, volume up/down, media (play/pause etc.). There is a visual mute indicator.
- Hearing Protectio: Features like SoundGuard DIGITAL to protect hearing—limits on loud bursts (anti-startle), time-weighted average (TWA) exposure not to exceed safety limits.
- Included Accessories: Comes with carrying case for portability and storage.
- Codecs / Audio Profile: Supports 24-bit audio at up to 96 kHz (for media/hi-fi), as well as dynamic EQ modes for balancing between call clarity and music.
- Call & Voice Alerts: The headset gives voice prompts/alerts for mute on/off, volume max/min, etc.
New
Data sheet
| Codec | 24-bit audio at up to 96 Khz sample rate |
|---|---|
| Weight | 0.34 lbs/5.5 oz/155 g |
| Frequency Response | 20Hz - 20KHz |
| Speaker Size | 32 mm |
| Speaker Sensitivity | 127 dB ±1.5 dB |
| Microphone Frequency Range | 100Hz to 10KHz |
| Call Answer and End | Yes, Available |
| Call Mute | Yes,Available |
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