In depth comparison and review of Razer Hammerhead True Wireless and Sennheiser CX 400BT. 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 | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | - | White | Black | |
| Protection | Splashproof, waterproof, IPX4 | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 EDR | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Razer Hammerhead True Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC | 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 True Wireless. |
| Max Input Power | 8 mW | - | |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 91 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 13 mm | 7 mm | Razer Hammerhead True Wireless have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 300 - 5000 Hz | - | |
| Sensitivity | -42 dB | - | |
| Signal-To-Noise Ratio | 55 dB | - |
| REMOTE CONTROL | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Controls | Power on/off, answer/end, play/pause, next/previous track, reject call, skip track, pair mode, voice assistant | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Cable Type | USB-C charge cable - detachable | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Features | Touch control | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 3 hour(s) | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Razer Hammerhead True Wireless. |
| Battery Life Details | Continuous playback: up to 3 hours Continuous playback (with included charging case): up to 13 hours |
Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| WIRELESS LINK | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Razer Hammerhead True Wireless | Sennheiser CX 400BT |
|---|
| Included Accessories | Wrist strap, charging case, silicone ear tip | 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 | |
| Service & Support | Limited warranty - 2 years | - |
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