In depth comparison and review of Sennheiser CX 400BT and Bose Sport Earbuds. 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 | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Earphone: 2.66 cm x 2.09 cm x 1.87 cm / 6.75 g | |
| Colour | White | Black | Triple black | Glacier White | Baltic blue | |
| Body Material | - | Plastic, metal | |
| Protection | - | Sweat-resistant, IPX4, water-resistant | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 9 m |
| SOUND QUALITY | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.0 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Bose Sport Earbuds. |
| 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, AAC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | - | |
| Features | - | Voice control, Auto Play, Auto Pause |
| MICROPHONE | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Volume, play/pause, skip track |
|---|
| CABLE | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable - 30.5 cm |
|---|
| FEATURES | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Features | Voice alerts, touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | 2 x headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 63 mAh | Bose Sport Earbuds have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 7 hour(s) | 5 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Bose Sport Earbuds. |
| 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) | 2 hours | Sennheiser CX 400BT recharge faster than Sennheiser CX 400BT. |
| Included Qty | 2 | 2 |
| WIRELESS LINK | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Bose Sport Earbuds |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | 3 pairs of silicone ear tips (small, medium, large), charging case (500 mAh), USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | IPX4 |
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