In depth comparison and review of Sennheiser CX 400BT and Google Pixel Buds A-Series. 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 | Google Pixel Buds A-Series |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Earbud: 2.93 cm x 1.75 cm x 2.07 cm / 5.1 g Charging case: 4.7 cm x 2.5 cm x 6.3 cm / 42.5 g |
|
| Colour | White | Black | Dark olive | Clearly white | |
| Protection | - | Sweat-resistant, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| 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 5.0 | Sennheiser CX 400BT have a more advanced version of Bluetooth than Google Pixel Buds A-Series. |
| 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 | Google Pixel Buds A-Series are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 21000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.08% | - | |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 12 mm | Google Pixel Buds A-Series have a thicker diaphragm than Sennheiser CX 400BT. |
| MICROPHONE | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Beamforming |
| REMOTE CONTROL | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | - |
|---|
| CABLE | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | - |
|---|
| FEATURES | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| Features | Voice alerts, touch control | - | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - | |
| Sensors | - | Proximity sensor, hall sensor, motion-detecting accelerometer |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 7 hour(s) | 5 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Google Pixel Buds A-Series. |
| Battery Life Details | Continuous playback (50% volume): up to 7 hours Continuous playback (with included charging case): up to 20 hours |
Continuous talk: up to 2.5 hours Continuous talk (with included charging case): up to 12 hours Continuous playback: up to 5 hours Continuous playback (with included charging case): up to 24 hours |
|
| Charging Time | 1.5 hour(s) | - | |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Google Pixel Buds A-Series |
|---|
| 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 | - |
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