In depth comparison and review of Sennheiser CX SPORT 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 | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 31.85 cm | - | |
| Width | 4.52 cm | - | |
| Depth | 1.43 cm | - | |
| Weight | 15.07 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | - | White | Black | |
| Protection | Splashproof, sweat-resistant | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Sennheiser CX SPORT. |
| 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, apt-X LL | SBC, AAC, aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 21000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Sennheiser CX SPORT. |
| Total Harmonic Distortion (THD) | 0.5% | 0.08% | Sennheiser CX 400BT have lower total harmonic distortion than Sennheiser CX SPORT. |
| Max Sound Pressure | 112 dB | 107 dB | |
| Diaphragm | - | 7 mm |
| MICROPHONE | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Controls | 3-button remote | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Cable Type | Charging cable - detachable | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | 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 Sennheiser CX SPORT. |
| 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 | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Sennheiser CX SPORT | Sennheiser CX 400BT |
|---|
| Included Accessories | USB charging cable, cable clip, 4 pairs of ear tips (XS, S,M, L), 3 pairs of ear sleeves (S, M, L), neoprene pouch | 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 | |
| Service & Support | Limited warranty - 2 years | - |
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