In depth comparison and review of Sennheiser CX 400BT and JBL Endurance RUN 2. 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 | JBL Endurance RUN 2 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Earphones - wireless | |
|---|---|---|---|
| Weight | - | 19.7 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
- | |
| Colour | White | Black | White | Black | |
| Protection | - | Waterproof, sweat-proof | |
| Design | - | Sports | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.0 | Sennheiser CX 400BT have a more advanced version of Bluetooth than JBL Endurance RUN 2. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than JBL Endurance RUN 2. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Sensitivity | - | 99 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 8 mm | JBL Endurance RUN 2 have a thicker diaphragm than Sennheiser CX 400BT. |
| Features | - | Magnetic ear buds, TwistLock technology, FlexSoft, Fliphook |
| MICROPHONE | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable |
| REMOTE CONTROL | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | 1-button remote |
|---|
| CABLE | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Features | Voice alerts, touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | Siri, Google Assistant | Siri, Google Now |
| BATTERY AND CHARGING | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Rechargeable | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 130 mAh | JBL Endurance RUN 2 have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 7 hour(s) | 10 hour(s) | JBL Endurance RUN 2 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 10 hour(s) Continuous playback (with 10 min charge): up to 1 hours |
|
| Charging Time | 1.5 hour(s) | 2 hour(s) | Sennheiser CX 400BT recharge faster than Sennheiser CX 400BT. |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Transmitter Power | 10 mW | - | |
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser CX 400BT | JBL Endurance RUN 2 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | Sound enhancer, 3 pairs of silicone ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | IPX5 |
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