Detailed comparison and review of Jaybird RUN XT 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 | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 1.43 cm x 1.9 cm x 1.95 cm / 6.83 g Charging case: 7.7 cm x 4.3 cm x 4 cm / 56.6 g |
Earbud: 6 g Charging case: 37 g |
|
| Colour | Black, Flash | Grey, storm | White | Black | |
| Protection | Waterproof, sweat-resistant, IPX7 | - | |
| Design | Sports | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Jaybird RUN XT | 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 Jaybird RUN XT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Serial Port Profile (SPP), 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 | |
| Noise Isolating | Yes | - | Jaybird RUN XT are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Super Bass Control (SBC) | - | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Jaybird RUN XT. |
| Total Harmonic Distortion (THD) | <5% | 0.08% | Sennheiser CX 400BT have lower total harmonic distortion than Jaybird RUN XT. |
| Sensitivity | 103 dB | - | |
| Impedance | 16 Ohm | - | |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 6 mm | 7 mm | Sennheiser CX 400BT have a thicker diaphragm than Jaybird RUN XT. |
| MICROPHONE | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Controls | Power on/off, answer/end, play/pause, next/previous track, skip track, pair mode, voice assistant | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Cable Type | USB charge cable - detachable - 30 cm | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 80 mAh | 55 mAh | Jaybird RUN XT have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 4 hour(s) | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Jaybird RUN XT. |
| Battery Life Details | - | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
|
| Charging Time | 2 hour(s) | 1.5 hour(s) | Sennheiser CX 400BT recharge faster than Jaybird RUN XT. |
| Included Qty | - | 2 |
| WIRELESS LINK | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Jaybird RUN XT | Sennheiser CX 400BT |
|---|
| Included Accessories | Charging case, 4 pairs of EarFins, 2 pairs of round ear tips (small, medium), 2 pairs of oval ear tips (small, medium) | 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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