In depth comparison and review of Plantronics .Audio 400DSP 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 | Plantronics .Audio 400DSP | Sennheiser HD 4.40 |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Recommended Use | Computer | - |
| SOUND QUALITY | Plantronics .Audio 400DSP | Sennheiser HD 4.40 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 18 - 22000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | - | 113 dB | |
| Impedance | - | 18 Ohm | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Plantronics .Audio 400DSP | Sennheiser HD 4.40 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Mono | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Plantronics .Audio 400DSP | Sennheiser HD 4.40 |
|---|
| Controls | Mute, volume | - |
|---|
| CABLE | Plantronics .Audio 400DSP | Sennheiser HD 4.40 |
|---|
| Cable Type | Headset cable | - |
|---|
| BATTERY AND CHARGING | Plantronics .Audio 400DSP | Sennheiser HD 4.40 |
|---|
| Battery Type | - | Headphone battery lithium polymer |
|---|
| CONNECTIONS | Plantronics .Audio 400DSP | Sennheiser HD 4.40 |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
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