In depth comparison and review of Sennheiser HD 1 In-Ear Wireless and Razer Hammerhead True Wireless (2021). 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 | Sennheiser HD 1 In-Ear Wireless | Razer Hammerhead True Wireless (2021) |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 53 g | |
| Colour | - | Black | |
| Protection | - | IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | Razer Hammerhead True Wireless (2021) |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Razer Hammerhead True Wireless (2021) have a more advanced version of Bluetooth than Sennheiser HD 1 In-Ear Wireless. |
| 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 | |
| Active Noise Cancelling | - | Yes | Razer Hammerhead True Wireless (2021) are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 1 In-Ear Wireless offer a larger frequency range than Razer Hammerhead True Wireless (2021). |
| Max Input Power | - | 5 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | - | 91 dB/mW | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 10 mm | |
| Features | - | Google Fast Pair, Razer Chroma RGB |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | Razer Hammerhead True Wireless (2021) |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Sensitivity | -44 dBV/Pascal | -26 dBFS | |
| Signal-To-Noise Ratio | - | 64 dB |
| CABLE | Sennheiser HD 1 In-Ear Wireless | Razer Hammerhead True Wireless (2021) |
|---|
| Cable Type | USB charge cable | - |
|---|
| FEATURES | Sennheiser HD 1 In-Ear Wireless | Razer Hammerhead True Wireless (2021) |
|---|
| Additional Functions | - | Gaming mode |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | Razer Hammerhead True Wireless (2021) |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 6.5 hour(s) | Sennheiser HD 1 In-Ear 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 |
|
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | Razer Hammerhead True Wireless (2021) |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | Ear tips kit, charging case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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