Detailed comparison and review of Razer Hammerhead BT and Sennheiser CX 400BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 28 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | - | White | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | Sennheiser CX 400BT 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Razer Hammerhead BT. |
| Max Input Power | 10 mW | - | |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 116 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 10 mm | 7 mm | Razer Hammerhead BT have a thicker diaphragm than Sennheiser CX 400BT. |
| Magnet Material | Neodymium magnet | - | |
| Features | Bluetooth aptX technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 300 - 3400 Hz | - | |
| Sensitivity | -42 dB | - | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Controls | Volume, play/pause button, answer/end, next/previous track | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Cable Type | Headphones cable - 63 cm | USB-C to USB-A cable - detachable - straight - 25 cm | |
|---|---|---|---|
| Cable Length | 63 cm | - |
| FEATURES | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 160 mAh | 55 mAh | Razer Hammerhead BT have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 8 hour(s) | 7 hour(s) | Razer Hammerhead BT lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | - | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX 400BT recharge faster than Razer Hammerhead BT. |
| Included Qty | - | 2 |
| WIRELESS LINK | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Transmission Range | 10 m | - | |
|---|---|---|---|
| Radio Transmitter Power | - | 10 mW |
| OTHERS | Razer Hammerhead BT | Sennheiser CX 400BT |
|---|
| Included Accessories | - | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU |
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