Detailed comparison and review of Jabra BIZ 2400 Duo and Poly Blackwire 3220. 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 | Jabra BIZ 2400 Duo | Poly Blackwire 3220 |
|---|
| Product Type | Headset - wired | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | - | 64 g | |
| Colour | - | Black | |
| Body Material | KEVLAR, surgical steel | - | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Jabra BIZ 2400 Duo | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3220 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Noise Isolating | Yes | - | Jabra BIZ 2400 Duo are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 300 - 3400 Hz | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 28 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Jabra BIZ 2400 Duo | Poly Blackwire 3220 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Jabra BIZ 2400 Duo | Poly Blackwire 3220 |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Jabra BIZ 2400 Duo | Poly Blackwire 3220 |
|---|
| Cable Type | Headset cable | USB-A cable |
|---|
| CONNECTIONS | Jabra BIZ 2400 Duo | Poly Blackwire 3220 |
|---|
| Connector Type | Headset | USB (4 PIN USB Type A) |
|---|
| OTHERS | Jabra BIZ 2400 Duo | Poly Blackwire 3220 |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Compliant Standards | EN 60950, UL 60950, AS/NZS 3260, IEC 60950-1 | - | |
| Service & Support | Limited warranty - 3 years | - |
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