Side by side comparison and review of Jabra BIZ 2400 Duo and Poly Blackwire 3320. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Jabra BIZ 2400 Duo | Poly Blackwire 3320 |
|---|
| Product Type | Headset - wired | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Weight | - | 130 g | |
| Body Material | KEVLAR, surgical steel | - | |
| Protection | - | Hearing protection |
| SOUND QUALITY | Jabra BIZ 2400 Duo | Poly Blackwire 3320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | Yes | - | Jabra BIZ 2400 Duo are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 300 - 3400 Hz | 20 - 20000 Hz | Poly Blackwire 3320 offer a larger frequency range than Jabra BIZ 2400 Duo. |
| Sensitivity | - | 94 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Jabra BIZ 2400 Duo | Poly Blackwire 3320 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Poly Blackwire 3320 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Jabra BIZ 2400 Duo | Poly Blackwire 3320 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Jabra BIZ 2400 Duo | Poly Blackwire 3320 |
|---|
| Cable Type | Headset cable | Headset cable |
|---|
| CONNECTIONS | Jabra BIZ 2400 Duo | Poly Blackwire 3320 |
|---|
| Connector Type | Headset | USB (4 PIN USB Type A) |
|---|
| OTHERS | Jabra BIZ 2400 Duo | Poly Blackwire 3320 |
|---|
| Software Certification | - | Certified for Microsoft Teams | |
|---|---|---|---|
| Compliant Standards | EN 60950, UL 60950, AS/NZS 3260, IEC 60950-1 | - | |
| Service & Support | Limited warranty - 3 years | Limited warranty - 2 years |
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