In depth comparison and review of Sennheiser CX 400BT and Samsung Galaxy Buds2 Pro. 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 | Samsung Galaxy Buds2 Pro |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 2.16 cm | |
| Width | - | 1.99 cm | |
| Depth | - | 1.87 cm | |
| Weight | - | 5.5 g | |
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Earbud: 1.99 cm x 1.87 cm x 2.16 cm / 5.5 g Charging case: 5.02 cm x 5.01 cm x 2.77 cm / 43.4 g |
|
| Colour | White | Black | Bora purple | Graphite | White | |
| Protection | - | Water-resistant | |
| Recommended Use | Portable electronics | Portable electronics | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.3 | Samsung Galaxy Buds2 Pro 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 | SBC, AAC, SSC (Samsung Seamless Codec) | |
| Active Noise Cancelling | - | Yes | Samsung Galaxy Buds2 Pro are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | 5.1 channel surround | |
| Built-in Decoders | - | Dolby Atmos | |
| Sound Effects | - | Ambient Sound Mode, 360 Reality Audio | |
| Frequency Response | 5 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | - | |
| Features | - | Auto Switch, voice detect |
| MICROPHONE | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Samsung Galaxy Buds2 Pro microphone can cancel out ambient noise. |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | - |
|---|
| CABLE | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | - |
|---|
| FEATURES | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Features | Voice alerts, touch control | Touch control, seamless connectivity, easy pairing | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | Siri, Google Assistant | Bixby | |
| Sensors | - | Accelerometer, proximity sensor, gyro sensor, hall sensor, touch sensor, Voice Pickup Unit (VPU) | |
| Additional Functions | - | Custom coaxial 2-way, AirVent, SmartThings Find, neck stretch reminder, Bixby voice wake-up, 24-bit Hi-Fi audio |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 55 mAh | 61 mAh | Samsung Galaxy Buds2 Pro have a higher battery capacity than Sennheiser CX 400BT. |
| Battery Life | 7 hour(s) | 5 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Samsung Galaxy Buds2 Pro. |
| Battery Life Details | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
Continuous talk (noise cancelling ON): up to 3.5 hours Continuous talk (noise cancelling ON / with included charging case): up to 14 hours Continuous playback (noise cancelling ON): up to 5 hours Continuous playback (noise cancelling ON / with included charging case): up to 18 hours |
|
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Samsung Galaxy Buds2 Pro |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | Charging case (515 mAh) | |
|---|---|---|---|
| SAR Value | - | 0.231 W/kg (body), 0.231 W/kg (head) | |
| Compliant Standards | Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU | IPX7 | |
| Service & Support | - | Limited warranty - 1 year |
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