Detailed comparison and review of Poly Blackwire 325-M and Jabra BIZ 2400 Duo, Noise Canceling, HS. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - Quick Disconnect | |
|---|---|---|---|
| Series | 300 Series | - | |
| Headband Material | Metal | - |
| SOUND QUALITY | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Type | Boom | Boom | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Controls | Mute, volume, answer/end | - |
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| CABLE | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Cable Type | Headset cable - 2.13 m | Headset cable | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Additional Functions | DSP | - |
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| CONNECTIONS | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headset (Quick Disconnect) |
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| OTHERS | Poly Blackwire 325-M | Jabra BIZ 2400 Duo, Noise Canceling, HS |
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| Service & Support | Limited warranty - 2 years | - |
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