In depth comparison and review of Razer Hammerhead True Wireless (2021) and Sennheiser CX True Wireless. 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 (2021) | Sennheiser CX True Wireless |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 53 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
|
| Colour | Black | Black | White | |
| Protection | IPX4 | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Razer Hammerhead True Wireless (2021) | Sennheiser CX True Wireless |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.2 | Bluetooth 5.2 | Both headphones have the same Bluetooth version. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC | SBC, AAC, aptX | |
| Active Noise Cancelling | Yes | - | Razer Hammerhead True Wireless (2021) are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX True Wireless offer a larger frequency range than Razer Hammerhead True Wireless (2021). |
| Max Input Power | 5 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.08% | |
| Sensitivity | 91 dB/mW | 110 dB | Sennheiser CX True Wireless have higher sensitivity than Razer Hammerhead True Wireless (2021). |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | - | 110 dB | |
| Diaphragm | 10 mm | 7 mm | Razer Hammerhead True Wireless (2021) have a thicker diaphragm than Sennheiser CX True Wireless. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | Google Fast Pair, Razer Chroma RGB | TrueResponse technology |
| MICROPHONE | Razer Hammerhead True Wireless (2021) | Sennheiser CX True Wireless |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | -26 dBFS | - | |
| Signal-To-Noise Ratio | 64 dB | - | |
| Microphones Included | - | 4 |
| CABLE | Razer Hammerhead True Wireless (2021) | Sennheiser CX True Wireless |
|---|
| Cable Type | - | USB-C charge cable - detachable - 25 cm |
|---|
| FEATURES | Razer Hammerhead True Wireless (2021) | Sennheiser CX True Wireless |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | - | Siri, Google Assistant | |
| Additional Functions | Gaming mode | - |
| BATTERY AND CHARGING | Razer Hammerhead True Wireless (2021) | Sennheiser CX True Wireless |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 60 mAh | |
| Battery Life | 6.5 hour(s) | 9 hour(s) | Sennheiser CX True Wireless lasts longer on a single charge than the Razer Hammerhead True Wireless (2021). |
| Battery Life Details | Continuous playback (lighting OFF / ANC OFF): up to 6.5 hours Continuous playback (lighting OFF / ANC OFF / with included charging case): up to 32.5 hours Continuous playback (lighting ON / ANC OFF): up to 5.5 hours Continuous playback (lighting ON / ANC OFF / with included charging case): up to 27.5 hours Continuous playback (lighting ON / ANC OFF): up to 4.5 hours Continuous playback (lighting ON / ANC OFF / with included charging case): up to 22.5 hours Continuous playback (lighting ON / ANC ON): up to 4 hours Continuous playback (lighting ON / ANC ON / with included charging case): up to 16 hours |
Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
|
| Charging Time | - | 1.5 hour(s) | |
| Included Qty | - | 2 |
| OTHERS | Razer Hammerhead True Wireless (2021) | Sennheiser CX True Wireless |
|---|
| Included Accessories | Ear tips kit, charging case | 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1 | |
| Service & Support | Limited warranty - 2 years | - |
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