In depth comparison and review of Sennheiser CX 400BT and JBL TUNE Buds. 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 TUNE Buds |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 5.4 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Charging case: 42 g | |
| Colour | White | Black | Black | Blue | Purple | White | |
| Protection | - | Dust-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| 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 5.3 | JBL TUNE Buds 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) | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device Identification Profile (DID) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | - | |
| Active Noise Cancelling | - | Yes | JBL TUNE Buds are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Smart Ambient | |
| 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 TUNE Buds. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Sensitivity | - | 101 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 107 dB | 93 dB | |
| Diaphragm | 7 mm | 10 mm | JBL TUNE Buds have a thicker diaphragm than Sennheiser CX 400BT. |
| Features | - | TalkThru technology |
| MICROPHONE | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | - |
|---|
| CABLE | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable |
|---|
| FEATURES | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| Features | Voice alerts, touch control | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 70 mAh | JBL TUNE Buds have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 7 hour(s) | - | |
| Battery Life Details | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
Continuous talk (active noise-cancelling on): up to 6 hours Continuous talk (active noise-cancelling off): up to 6.6 hours Continuous playback (ANC ON / Bluetooth): up to 10 hours Continuous playback (ANC OFF / Bluetooth): up to 12 hours Continuous playback (with 15 min charge): up to 4 hours |
|
| Charging Time | 1.5 hour(s) | 2 hours | Sennheiser CX 400BT recharge faster than Sennheiser CX 400BT. |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | JBL TUNE Buds |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | 3 pairs of ear tips, USB-C charging cable, charging case (750 mAh) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | IP54, GFSK, 8DPSK, Pi/4 DQPSK |
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