Side by side comparison and review of Sennheiser CX 400BT and Philips TAT4556BK. 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 | Philips TAT4556BK |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Earbud: 2.31 cm x 2.67 cm x 2.43 cm Charging case: 7.1 cm x 4 cm x 3.1 cm |
|
| Colour | White | Black | Black | |
| Protection | - | Splashproof, sweat-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| 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 5.2 | Philips TAT4556BK 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) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | AAC | |
| Active Noise Cancelling | - | Yes | Philips TAT4556BK are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than Philips TAT4556BK. |
| Max Input Power | - | 10 mW | |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Sensitivity | - | 98 dB | |
| Impedance | - | 16 Ohm | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 12 mm | Philips TAT4556BK have a thicker diaphragm than Sennheiser CX 400BT. |
| Features | - | 2-in-1 convertible from stereo to mono sound |
| MICROPHONE | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| Form Factor | Built-in | Built-in |
|---|
| REMOTE CONTROL | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Voice assistant |
|---|
| CABLE | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C cable - detachable - 28 cm |
|---|
| FEATURES | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| Features | Voice alerts, touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 50 mAh | Sennheiser CX 400BT have a higher battery capacity than Philips TAT4556BK. |
| Battery Life | 7 hour(s) | 9 hour(s) | Philips TAT4556BK 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 |
- | |
| 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 | Philips TAT4556BK |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| CONNECTIONS | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| Connector Type | - | USB (power only) (USB Type-C) |
|---|
| OTHERS | Sennheiser CX 400BT | Philips TAT4556BK |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | 3 pairs of ear tips (small, medium, large), charging case (500 mAh) | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | IPX4 |
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