In depth comparison and review of Jabra BIZ 2400 Duo and Sennheiser HD 4.40. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Jabra BIZ 2400 Duo | Sennheiser HD 4.40 |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Body Material | KEVLAR, surgical steel | - |
| SOUND QUALITY | Jabra BIZ 2400 Duo | Sennheiser HD 4.40 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Noise Isolating | Yes | - | Jabra BIZ 2400 Duo are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 300 - 3400 Hz | 18 - 22000 Hz | Sennheiser HD 4.40 offer a larger frequency range than Jabra BIZ 2400 Duo. |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | - | 113 dB | |
| Impedance | - | 18 Ohm | |
| Magnet Material | Neodymium | - |
| MICROPHONE | Jabra BIZ 2400 Duo | Sennheiser HD 4.40 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| CABLE | Jabra BIZ 2400 Duo | Sennheiser HD 4.40 |
|---|
| Cable Type | Headset cable | - |
|---|
| BATTERY AND CHARGING | Jabra BIZ 2400 Duo | Sennheiser HD 4.40 |
|---|
| Battery Type | - | Headphone battery lithium polymer |
|---|
| CONNECTIONS | Jabra BIZ 2400 Duo | Sennheiser HD 4.40 |
|---|
| Connector Type | Headset | - |
|---|
| OTHERS | Jabra BIZ 2400 Duo | Sennheiser HD 4.40 |
|---|
| Compliant Standards | EN 60950, UL 60950, AS/NZS 3260, IEC 60950-1 | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 3 years | - |
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