Side by side comparison and review of Sennheiser HD 1 In-Ear Wireless and Soundcore Liberty Air 2. 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 | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Colour | - | White | Black | |
| Protection | - | IPX5, water-resistant | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Soundcore Liberty Air 2 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) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| 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 Soundcore Liberty Air 2. |
| Max Input Power | - | 5 mW | |
| Total Harmonic Distortion (THD) | <0.5% | 1% | Sennheiser HD 1 In-Ear Wireless have lower total harmonic distortion than Sennheiser HD 1 In-Ear Wireless. |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 6 mm |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Noise Cancelling | - | Yes | Soundcore Liberty Air 2 microphone can cancel out ambient noise. |
| Sensitivity | -44 dBV/Pascal | - | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Controls | - | Volume, power on/off, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Cable Type | USB charge cable | - |
|---|
| FEATURES | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Features | - | HearID Technology, Diamond-Coated Driver |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | 55 mAh | Sennheiser HD 1 In-Ear Wireless have a higher battery capacity than Soundcore Liberty Air 2. |
| Battery Life | 10 hour(s) | 7 hour(s) | Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the Soundcore Liberty Air 2. |
| Battery Life Details | - | Continuous playback: up to 7 hours Continuous playback (with included charging case): up to 28 hours |
|
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser HD 1 In-Ear Wireless recharge faster than Sennheiser HD 1 In-Ear Wireless. |
| Included Qty | - | 2 |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | Soundcore Liberty Air 2 |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | Charging case (500 mAh), 5 pairs of ear tips (XS, small, medium, large, XL), USB-C charging cable | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 18 months |
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