In depth comparison and review of Anker SoundBuds Surge and Sennheiser CX 400BT. 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 | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Black | White | Black | |
| Protection | Sweat-resistant, water-resistant | - | |
| Design | Sports | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Anker SoundBuds Surge | 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 Anker SoundBuds Surge. |
| Bluetooth Profiles | - | 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 | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Anker SoundBuds Surge. |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 6 mm | 7 mm | Sennheiser CX 400BT have a thicker diaphragm than Anker SoundBuds Surge. |
| Features | Magnetic ear buds | - |
| MICROPHONE | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, skip track | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Cable Type | - | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Battery Type | Rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 6 hour(s) | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Anker SoundBuds Surge. |
| Battery Life Details | - | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Charging Time | 1.5 hour(s) | 1.5 hour(s) | The charging of both headphones last the same time. |
| Included Qty | - | 2 |
| WIRELESS LINK | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Anker SoundBuds Surge | Sennheiser CX 400BT |
|---|
| Included Accessories | Carrying pouch, clothing clip, USB charging cable, 3 pairs of ear tips (small, medium, large), 2 pairs of EarWings | 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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