In depth comparison and review of Sennheiser CX 400BT and Urbanears Alby. 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 | Urbanears Alby |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
- | |
| Colour | White | Black | Teal green | Dusty white | |
| Protection | - | Weatherproof, splashproof, sweat-resistant, rainproof, IPX4 | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | Urbanears Alby |
|---|
| Headphones Form Factor | In-ear | Ear-bud | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.0 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Urbanears Alby. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, AAC, aptX | - | |
| Noise Isolating | - | Yes | Urbanears Alby are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 21000 Hz | 20 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than Urbanears Alby. |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | 92 dB | |
| Diaphragm | 7 mm | - |
| MICROPHONE | Sennheiser CX 400BT | Urbanears Alby |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser CX 400BT | Urbanears Alby |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Answer/end, next/previous track, voice assistant |
|---|
| CABLE | Sennheiser CX 400BT | Urbanears Alby |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable |
|---|
| FEATURES | Sennheiser CX 400BT | Urbanears Alby |
|---|
| Features | Voice alerts, touch control | Touch control | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Urbanears Alby |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 7 hour(s) | 3 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Urbanears Alby. |
| 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 15 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 | Urbanears Alby |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Urbanears Alby |
|---|
| 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 | |
|---|---|---|---|
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | - |
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