In depth comparison and review of Sennheiser HD 4.40 and Razer Thresher Ultimate. 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 | Razer Thresher Ultimate |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - 7.1 channel - 2.4 GHz - wireless | |
|---|---|---|---|
| Height | - | 21.4 cm | |
| Width | - | 19.6 cm | |
| Depth | - | 10.48 cm | |
| Weight | - | 408 g | |
| Colour | - | Black | |
| Earpad Material | - | Leatherette, memory foam | |
| Recommended Use | - | Game console | |
| Bluetooth Range (Operating Distance) | - | 12 m |
| SOUND QUALITY | Sennheiser HD 4.40 | Razer Thresher Ultimate |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 2.4 GHz radio frequency | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Noise Isolating | - | Yes | Razer Thresher Ultimate are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | 7.1 channel surround | |
| Built-in Decoders | - | Dolby Headphone | |
| Frequency Response | 18 - 22000 Hz | 12 - 28000 Hz | Razer Thresher Ultimate offer a larger frequency range than Sennheiser HD 4.40. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 113 dB | - | |
| Impedance | 18 Ohm | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser HD 4.40 | Razer Thresher Ultimate |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | Omni-directional | Uni-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -38 dBV/Pascal | |
| Signal-To-Noise Ratio | - | 55 dB | |
| Microphone Features | - | Retractable microphone | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Sennheiser HD 4.40 | Razer Thresher Ultimate |
|---|
| Controls | - | Volume, microphone on/mute |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.40 | Razer Thresher Ultimate |
|---|
| Battery Type | Headphone battery lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 16 hours | |
| Charging Time | - | 4 hours |
| WIRELESS LINK | Sennheiser HD 4.40 | Razer Thresher Ultimate |
|---|
| Transmission Range | - | 12 m |
|---|
| OTHERS | Sennheiser HD 4.40 | Razer Thresher Ultimate |
|---|
| Included Accessories | - | Base station, stand |
|---|
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