Side by side comparison and review of Erato Apollo 7S 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 | Erato Apollo 7S | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 2.4 cm | |
| Width | 1.54 cm | 2.4 cm | |
| Depth | 2.22 cm | 2.3 cm | |
| Weight | 4 g | - | |
| Dimensions & Weight Details | Charging case: 6.25 cm x 4 cm x 2.55 cm / 52 g | - | |
| Colour | Black | Space grey | Rose gold | Silver | Grey, black, silver | |
| Protection | Weatherproof, sweat-resistant, IPX5 | IPX5, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 15 m | EPOS I SENNHEISER GTW 270 Hybrid have a greater operating distance than Erato Apollo 7S. |
| SOUND QUALITY | Erato Apollo 7S | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | EPOS I SENNHEISER GTW 270 Hybrid have a more advanced version of Bluetooth than Erato Apollo 7S. |
| 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 | |
| Sound Effects | 3D Surround Sound | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | - | 2% | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 100 dB | |
| Diaphragm | 5.8 mm | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Erato Apollo 7S | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | - | 100 - 7500 Hz | |
| Sensitivity | -42 dB | -20 dBV/Pascal |
| REMOTE CONTROL | Erato Apollo 7S | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Erato Apollo 7S | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Cable Type | USB charge cable | USB-C charge cable |
|---|
| BATTERY AND CHARGING | Erato Apollo 7S | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 4 hours | 5 hour(s) | EPOS I SENNHEISER GTW 270 Hybrid lasts longer on a single charge than the Erato Apollo 7S. |
| Battery Life Details | Continuous talk: up to 4 hours Continuous playback: up to 3 hours |
Continuous playback: up to 5 hours Continuous playback (with included charging case): up to 20 hours |
|
| Charging Time | - | 1.5 hour(s) |
| OTHERS | Erato Apollo 7S | EPOS I SENNHEISER GTW 270 Hybrid |
|---|
| Included Accessories | 3 pairs of Comply foam ear tips, charging case, 3 pairs of ear stabilisers (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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