Detailed comparison and review of JBL TUNE 120TWS 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 | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 73 g | - | |
| Dimensions & Weight Details | - | Earbud: 6 g Charging case: 37 g |
|
| Colour | Pink | Black | Blue | White | White | Black | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | 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 JBL TUNE 120TWS. |
| Bluetooth Profiles | Hands-Free Profile (HFP), 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 | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Pure Bass | - | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than JBL TUNE 120TWS. |
| Max Input Power | 15 mW | - | |
| Total Harmonic Distortion (THD) | - | 0.08% | |
| Sensitivity | 96 dB/mW | - | |
| Impedance | 14 Ohm | - | |
| Max Sound Pressure | 96 dB | 107 dB | |
| Diaphragm | 5.8 mm | 7 mm | Sennheiser CX 400BT have a thicker diaphragm than JBL TUNE 120TWS. |
| MICROPHONE | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | -38 dBV/Pascal | - |
| REMOTE CONTROL | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Controls | Power on/off, answer/end, play/pause, next/previous track, pair mode | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Cable Type | - | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | Siri, Google Assistant |
| BATTERY AND CHARGING | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Battery Type | 2 x headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 85 mAh | 55 mAh | JBL TUNE 120TWS 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 JBL TUNE 120TWS. |
| Battery Life Details | Continuous playback (with included charging case): up to 16 hours Continuous playback: up to 4 hours |
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 JBL TUNE 120TWS. |
| Included Qty | 2 | 2 |
| WIRELESS LINK | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | JBL TUNE 120TWS | Sennheiser CX 400BT |
|---|
| Included Accessories | 3 pairs of ear tips (small, medium, large), charging cable, charging case (850 mAh) | 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 - parts and labour - 1 year | - |
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