In depth comparison and review of Erato Apollo 7 and Sennheiser CX True Wireless. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Width | 1.54 cm | - | |
| Depth | 2.22 cm | - | |
| Weight | 4 g | - | |
| Dimensions & Weight Details | Charging case: 6.25 cm x 4 cm x 2.55 cm / 52 g | Earbud: 6 g Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g |
|
| Colour | Luscious gold | Black | White | |
| Protection | Waterproof | Splashproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 9.1 m | - |
| SOUND QUALITY | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Sennheiser CX True Wireless have a more advanced version of Bluetooth than Erato Apollo 7. |
| 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 | |
| Noise Isolating | - | Yes | Sennheiser CX True Wireless are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Bass Boost | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX True Wireless offer a larger frequency range than Erato Apollo 7. |
| Total Harmonic Distortion (THD) | - | <0.08% | |
| Sensitivity | 100 dB | 110 dB | Sennheiser CX True Wireless have higher sensitivity than Erato Apollo 7. |
| Impedance | 16 Ohm | 16 Ohm | |
| Max Sound Pressure | - | 110 dB | |
| Diaphragm | 5.8 mm | 7 mm | Sennheiser CX True Wireless have a thicker diaphragm than Erato Apollo 7. |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 1 | |
| Features | - | TrueResponse technology |
| MICROPHONE | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | -42 dB | - | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| Cable Type | USB charge cable | USB-C charge cable - detachable - 25 cm |
|---|
| FEATURES | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 60 mAh | |
| Battery Life | 4 hours | 9 hour(s) | Sennheiser CX True Wireless lasts longer on a single charge than the Erato Apollo 7. |
| Battery Life Details | - | Continuous playback (50% volume): up to 9 hours Continuous playback (with included charging case): up to 27 hours |
|
| Charging Time | - | 1.5 hour(s) | |
| Included Qty | - | 2 |
| OTHERS | Erato Apollo 7 | Sennheiser CX True Wireless |
|---|
| 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), charging case (400 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1 |
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