Side by side comparison and review of Sennheiser HD 1 In-Ear Wireless and EPOS I SENNHEISER GTW 270 Hybrid. 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 | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 2.4 cm | |
| Width | - | 2.4 cm | |
| Depth | - | 2.3 cm | |
| Colour | - | Grey, black, silver | |
| Protection | - | IPX5, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 15 m |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | EPOS I SENNHEISER GTW 270 Hybrid 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 | - | 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 EPOS I SENNHEISER GTW 270 Hybrid. |
| Total Harmonic Distortion (THD) | <0.5% | 2% | Sennheiser HD 1 In-Ear Wireless have lower total harmonic distortion than Sennheiser HD 1 In-Ear Wireless. |
| Max Sound Pressure | 112 dB | 100 dB |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | - | 100 - 7500 Hz | |
| Sensitivity | -44 dBV/Pascal | -20 dBV/Pascal |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Controls | - | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Cable Type | USB charge cable | USB-C charge cable |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 5 hour(s) | Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the EPOS I SENNHEISER GTW 270 Hybrid. |
| Battery Life Details | - | Continuous playback: up to 5 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. |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | USB dongle, charging case, USB-C to USB-A cable, silicone ear tip | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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