Side by side comparison and review of Sennheiser CX 400BT and JVC HA A3T. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 4.1 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Charging case with earphones: 39 g Earphone: 4.1 g |
|
| Colour | White | Black | Black | White | |
| Protection | - | Sweat-resistant, rainproof | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.1 | Both headphones have the same Bluetooth version. |
| 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 | SBC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than JVC HA A3T. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 11 mm | JVC HA A3T have a thicker diaphragm than Sennheiser CX 400BT. |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Voice assistant |
|---|
| CABLE | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Features | Voice alerts, touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 7 hour(s) | 7.5 hour(s) | JVC HA A3T 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 (with included charging case): up to 22 hour(s) | |
| 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 | JVC HA A3T |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| CONNECTIONS | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Connector Type | - | USB-C (power only) |
|---|
| OTHERS | Sennheiser CX 400BT | JVC HA A3T |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | Charging case, USB-C charging cable | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | IPX4 | |
| Service & Support | - | 2-year warranty |
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