Side by side comparison and review of Erato Apollo 7S and Sennheiser CX 150BT. 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 | Sennheiser CX 150BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Width | 1.54 cm | - | |
| Depth | 2.22 cm | - | |
| Weight | 4 g | 12 g | Erato Apollo 7S are lighter than Erato Apollo 7S headphones. |
| Dimensions & Weight Details | Charging case: 6.25 cm x 4 cm x 2.55 cm / 52 g | - | |
| Colour | Black | Space grey | Rose gold | Silver | Black | White | |
| Protection | Weatherproof, sweat-resistant, IPX5 | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | 10 m | The maximum operating distance of both headphones is the same. |
| SOUND QUALITY | Erato Apollo 7S | Sennheiser CX 150BT |
|---|
| 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 | Sennheiser CX 150BT 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) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | 3D Surround Sound | - | |
| Frequency Response | 20 - 20000 Hz | 17 - 20000 Hz | Sennheiser CX 150BT offer a larger frequency range than Erato Apollo 7S. |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | 28 Ohm | |
| Max Sound Pressure | - | 100 dB | |
| Diaphragm | 5.8 mm | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Erato Apollo 7S | Sennheiser CX 150BT |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Sensitivity | -42 dB | - |
| REMOTE CONTROL | Erato Apollo 7S | Sennheiser CX 150BT |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | 3-button remote |
|---|
| CABLE | Erato Apollo 7S | Sennheiser CX 150BT |
|---|
| Cable Type | USB charge cable | USB-C charge cable |
|---|
| BATTERY AND CHARGING | Erato Apollo 7S | Sennheiser CX 150BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | 4 hours | 10 hour(s) | Sennheiser CX 150BT 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 |
- |
| OTHERS | Erato Apollo 7S | Sennheiser CX 150BT |
|---|
| Included Accessories | 3 pairs of Comply foam ear tips, charging case, 3 pairs of ear stabilisers (small, medium, large) | 4 pairs of ear tips (XS, S,M, L) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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