In depth comparison and review of Trust Urban Duet2 and Sennheiser CX 400BT. 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 | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 1.7 cm | - | |
| Width | 2.4 cm | - | |
| Depth | 2.8 cm | - | |
| Weight | 10 g | - | |
| Dimensions & Weight Details | Charging case: 9.3 cm x 4.1 cm x 3.2 cm / 45 g | Earbud: 6 g Charging case: 37 g |
|
| Colour | - | White | Black | |
| Recommended Use | Portable electronics, computer | Portable electronics |
| SOUND QUALITY | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.1 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Trust Urban Duet2. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 21000 Hz | Sennheiser CX 400BT offer a larger frequency range than Trust Urban Duet2. |
| Total Harmonic Distortion (THD) | 1% | 0.08% | Sennheiser CX 400BT have lower total harmonic distortion than Trust Urban Duet2. |
| Max Sound Pressure | - | 107 dB | |
| Diaphragm | 8 mm | 7 mm | Trust Urban Duet2 have a thicker diaphragm than Sennheiser CX 400BT. |
| Magnet Material | Ferrite | - |
| MICROPHONE | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Sensitivity | -42 dB | - |
| REMOTE CONTROL | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Controls | Play/pause, next/previous track | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset |
|---|
| CABLE | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Cable Type | Micro-USB charge cable - detachable - 25 cm | USB-C to USB-A cable - detachable - straight - 25 cm |
|---|
| FEATURES | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Features | - | Voice alerts, touch control | |
|---|---|---|---|
| Intelligent Assistant | - | Siri, Google Assistant |
| BATTERY AND CHARGING | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 55 mAh | |
| Battery Life | 3 hour(s) | 7 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Trust Urban Duet2. |
| 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) | |
| Included Qty | - | 2 |
| WIRELESS LINK | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Radio Transmitter Power | - | 10 mW |
|---|
| OTHERS | Trust Urban Duet2 | Sennheiser CX 400BT |
|---|
| Included Accessories | 2 pairs of ear tips, charging case (320 mAh) | 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 | |
| Service & Support | Limited warranty - 2 years | - |
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