Side by side comparison and review of Razer Hammerhead BT and Sennheiser MOMENTUM Free. 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 | Sennheiser MOMENTUM Free |
|---|
| Product Type | Earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | 40 g | Razer Hammerhead BT are lighter than Razer Hammerhead BT headphones. |
| Colour | - | Black, red | |
| Earpad Material | - | Stainless steel | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Razer Hammerhead BT | Sennheiser MOMENTUM Free |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.2 | Sennheiser MOMENTUM Free have a more advanced version of Bluetooth than Razer Hammerhead BT. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 15 - 22000 Hz | Sennheiser MOMENTUM Free offer a larger frequency range than Razer Hammerhead BT. |
| Max Input Power | 10 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Sensitivity | 116 dB | 118 dB | Sennheiser MOMENTUM Free have higher sensitivity than Razer Hammerhead BT. |
| Impedance | 32 Ohm | 28 Ohm | |
| Max Sound Pressure | - | 112 dB | |
| Diaphragm | 10 mm | - | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Sennheiser MOMENTUM Free have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium magnet | - | |
| Features | Bluetooth aptX technology | Voice control | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Razer Hammerhead BT | Sennheiser MOMENTUM Free |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | 300 - 3400 Hz | - | |
| Sensitivity | -42 dB | -44 dBV/Pascal | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead BT | Sennheiser MOMENTUM Free |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | Volume, answer/end, next/previous track, reject call |
|---|
| CABLE | Razer Hammerhead BT | Sennheiser MOMENTUM Free |
|---|
| Cable Type | Headphones cable - 63 cm | USB charge cable - detachable | |
|---|---|---|---|
| Cable Length | 63 cm | - |
| BATTERY AND CHARGING | Razer Hammerhead BT | Sennheiser MOMENTUM Free |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 160 mAh | 86 mAh | Razer Hammerhead BT have a higher battery capacity than Sennheiser MOMENTUM Free. |
| Battery Life | 8 hour(s) | 6 hour(s) | Razer Hammerhead BT lasts longer on a single charge than the Sennheiser MOMENTUM Free. |
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser MOMENTUM Free recharge faster than Razer Hammerhead BT. |
| WIRELESS LINK | Razer Hammerhead BT | Sennheiser MOMENTUM Free |
|---|
| Transmission Range | 10 m | - |
|---|
| OTHERS | Razer Hammerhead BT | Sennheiser MOMENTUM Free |
|---|
| Included Accessories | - | Carrying case, 4 pairs of ear tips (XS, S,M, L) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - |
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