Detailed comparison and review of Erato Apollo 7S and Sennheiser CX 350BT. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Erato Apollo 7S | Sennheiser CX 350BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Width | 1.54 cm | - | |
| Depth | 2.22 cm | - | |
| Weight | 4 g | 13 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 | - |
| SOUND QUALITY | Erato Apollo 7S | Sennheiser CX 350BT |
|---|
| 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 350BT 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, apt-X LL | |
| 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) | - | 0.5% | |
| Sensitivity | 100 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 110 dB | |
| Diaphragm | 5.8 mm | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Erato Apollo 7S | Sennheiser CX 350BT |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable | |
| Microphone Operation Mode | Omni-directional | Mono | |
| Audio Input Details | - | Omni-directional | |
| Sensitivity | -42 dB | - |
| REMOTE CONTROL | Erato Apollo 7S | Sennheiser CX 350BT |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Answer/end, play/pause, next/previous track |
|---|
| CABLE | Erato Apollo 7S | Sennheiser CX 350BT |
|---|
| Cable Type | USB charge cable | - |
|---|
| BATTERY AND CHARGING | Erato Apollo 7S | Sennheiser CX 350BT |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 4 hours | 10 hour(s) | Sennheiser CX 350BT 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 10 hours Standby: up to 340 hours |
| OTHERS | Erato Apollo 7S | Sennheiser CX 350BT |
|---|
| Included Accessories | 3 pairs of Comply foam ear tips, charging case, 3 pairs of ear stabilisers (small, medium, large) | 4 pairs of earpads (extra small, small, medium, large) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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