Side by side comparison and review of Razer Hammerhead BT and EPOS I SENNHEISER EDU 12 USB. 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 | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Product Type | Earphones - Bluetooth - wireless | Headset - wired - USB | |
|---|---|---|---|
| Weight | 28 g | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 10 mW | - | |
| Sensitivity | 116 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 10 mm | - | |
| Magnet Material | Neodymium magnet | - | |
| Features | Bluetooth aptX technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Type | On-cable | - | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER EDU 12 USB microphone can cancel out ambient noise. |
| Frequency Response | 300 - 3400 Hz | - | |
| Sensitivity | -42 dB | - | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | - |
|---|
| CABLE | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Cable Type | Headphones cable - 63 cm | - | |
|---|---|---|---|
| Cable Length | 63 cm | - |
| BATTERY AND CHARGING | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Battery Type | Headphone battery lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 160 mAh | - | |
| Battery Life | 8 hour(s) | - | |
| Charging Time | 2 hour(s) | - |
| WIRELESS LINK | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Razer Hammerhead BT | EPOS I SENNHEISER EDU 12 USB |
|---|
| Compatibility | iPhone, iPad, iPod, Android phone | Chrome OS, Mac, Windows | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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