Detailed comparison and review of Sennheiser CX 350BT and JBL TUNE Flex. 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 | Sennheiser CX 350BT | JBL TUNE Flex |
|---|
| Product Type | Earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 13 g | - | |
| Dimensions & Weight Details | - | Charging case: 5.15 cm x 2.93 cm x 4.7 cm / 38.6 g Earbud: 2.05 cm x 2.02 cm x 3.49 cm / 4.8 g |
|
| Colour | Black | White | Blue | White | Black | Purple | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 350BT | JBL TUNE Flex |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 | JBL TUNE Flex have a more advanced version of Bluetooth than Sennheiser CX 350BT. |
| 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, apt-X LL | - | |
| Active Noise Cancelling | - | Yes | JBL TUNE Flex are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Smart Ambient | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | - | 110 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | 110 dB | - | |
| Diaphragm | - | 12 mm |
| MICROPHONE | Sennheiser CX 350BT | JBL TUNE Flex |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Mono | - | |
| Audio Input Details | Omni-directional | - | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Sennheiser CX 350BT | JBL TUNE Flex |
|---|
| Controls | Answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Sennheiser CX 350BT | JBL TUNE Flex |
|---|
| Cable Type | - | USB-C charge cable |
|---|
| BATTERY AND CHARGING | Sennheiser CX 350BT | JBL TUNE Flex |
|---|
| Battery Type | - | 2 x headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 10 hour(s) | 4.5 hours | Sennheiser CX 350BT lasts longer on a single charge than the JBL TUNE Flex. |
| Battery Life Details | Continuous playback: up to 10 hours Standby: up to 340 hours |
Continuous playback: up to 32 hours Continuous playback: up to 4.5 hours Continuous playback (ANC OFF / Bluetooth): up to 8 hours Continuous playback (ANC ON / Bluetooth): up to 6 hours Continuous playback (with included charging case): up to 18 hours |
|
| Charging Time | - | 2 hour(s) | |
| Included Qty | - | 2 |
| OTHERS | Sennheiser CX 350BT | JBL TUNE Flex |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large) | USB-C charging cable, 3 sizes of earhooks, charging case (570 mAh) | |
|---|---|---|---|
| Compliant Standards | - | IPX4, GFSK, π/4 QPSK, 8DPSK | |
| Service & Support | Limited warranty - 2 years | - |
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