Detailed comparison and review of Sennheiser CX 400BT and Belkin SoundForm Bolt. 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 | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 3 cm | |
| Width | - | 6 cm | |
| Depth | - | 4.2 cm | |
| Weight | - | 21 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
- | |
| Colour | White | Black | Black | Lavender | Teal | White | |
| Protection | - | Sweat-resistant, IPX4, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.2 | Belkin SoundForm Bolt have a more advanced version of Bluetooth than Sennheiser CX 400BT. |
| 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 | SBC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than Belkin SoundForm Bolt. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 6 mm | Sennheiser CX 400BT have a thicker diaphragm than Belkin SoundForm Bolt. |
| MICROPHONE | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable |
|---|
| FEATURES | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Features | Voice alerts, touch control | Stereo/mono mode, LED indicator | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - | |
| Sensors | - | Touch control |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 7 hour(s) | 9 hour(s) | Belkin SoundForm Bolt lasts longer on a single charge than the Sennheiser CX 400BT. |
| Battery Life Details | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
Continuous playback: up to 9 hours Continuous playback (with included charging case): up to 28 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 | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Belkin SoundForm Bolt |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | Charging case, 3 pairs of silicone ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone, Chrome OS, Windows | |
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | FCC, RoHS, REACH | |
| Service & Support | - | Limited warranty - 2 years |
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