Detailed comparison and review of Erato Muse 5 and Sennheiser CX 400BT. 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 Muse 5 | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 3 cm | - | |
| Width | 2 cm | - | |
| Depth | 2.52 cm | - | |
| Weight | 8.5 g | - | |
| Dimensions & Weight Details | Charging case: 3.92 cm x 7.81 cm x 3.977 cm / 46 g | Earbud: 6 g Charging case: 37 g |
|
| Colour | Rose gold | Black | Blue | White | White | Black | |
| Protection | Waterproof, sweat-resistant | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| 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 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Erato Muse 5. |
| 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, aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | 3D Surround Sound | - | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Erato Muse 5. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 101 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 5.8 mm | 7 mm | Sennheiser CX 400BT have a thicker diaphragm than Erato Muse 5. |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -42 dB | - |
| REMOTE CONTROL | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| Controls | - | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| Cable Type | Micro-USB charge cable | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 100 mAh | 55 mAh | Erato Muse 5 have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 6 hour(s) | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Erato Muse 5. |
| Battery Life Details | Continuous talk: up to 6 hours Continuous playback: up to 4 hours |
Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Charging Time | - | 1.5 hour(s) | |
| Included Qty | - | 2 |
| WIRELESS LINK | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Erato Muse 5 | Sennheiser CX 400BT |
|---|
| Included Accessories | 4 pairs of silicone ear tips (extra small, small, medium, large), 3 pairs of FitSeal sleeves (extra small, small, medium, large), charging case (700 mAh) | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU |
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