In depth comparison and review of Sennheiser HD 4.40 and Dell Pro Stereo Headset UC350. 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 | Sennheiser HD 4.40 | Dell Pro Stereo Headset UC350 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - wired | |
|---|---|---|---|
| Recommended Use | - | Computer |
| SOUND QUALITY | Sennheiser HD 4.40 | Dell Pro Stereo Headset UC350 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| 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 | - |
| MICROPHONE | Sennheiser HD 4.40 | Dell Pro Stereo Headset UC350 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Dell Pro Stereo Headset UC350 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | Dell Pro Stereo Headset UC350 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Dell Pro Stereo Headset UC350 |
|---|
| Battery Type | Headphone battery lithium polymer | - |
|---|
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