In depth comparison and review of Sennheiser CX 400BT and Panasonic RZ-B100W. 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 | Panasonic RZ-B100W |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 1.8 cm | |
| Width | - | 4.5 cm | |
| Depth | - | 1.8 cm | |
| Weight | - | 5 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Earbud: 4.5 cm x 1.8 cm x 1.8 cm / 5 g Charging case: 4.9 cm x 2.6 cm x 5.5 cm / 39 g |
|
| Colour | White | Black | Black | White | |
| Protection | - | Sweat-resistant | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.0 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Panasonic RZ-B100W. |
| 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, AAC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than Panasonic RZ-B100W. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 13 mm | Panasonic RZ-B100W have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | - |
|---|
| CABLE | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable - 0.24 m |
|---|
| FEATURES | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Features | Voice alerts, touch control | - | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Voice Control | - | Indirect | |
| Intelligent Assistant | Siri, Google Assistant | Google Assistant ready, Siri ready | |
| Sensors | - | Touch sensor |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 40 mAh | Sennheiser CX 400BT have a higher battery capacity than Panasonic RZ-B100W. |
| Battery Life | 7 hour(s) | 4 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Panasonic RZ-B100W. |
| 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 16 hours | |
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| CONNECTIONS | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Connector Type | - | USB (power only) (USB Type-C) |
|---|
| OTHERS | Sennheiser CX 400BT | Panasonic RZ-B100W |
|---|
| Included Accessories | 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 | IPX4 |
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