Detailed comparison and review of Sennheiser CX 400BT and Bowers & Wilkins PI5. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | True wireless earphones - Bluetooth - wireless | |
|---|---|---|---|
| Dimensions & Weight Details | Earbud: 6 g Charging case: 37 g |
Charging case: 47 g Earbud: 8 g |
|
| Colour | White | Black | White | Black | |
| Protection | - | IP54, water-resistant | |
| Recommended Use | Portable electronics | Portable electronics, computer |
| SOUND QUALITY | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| 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 Bowers & Wilkins PI5. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | SBC, AAC, aptX | SBC, AAC, aptX | |
| Active Noise Cancelling | - | Yes | Bowers & Wilkins PI5 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Advanced ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 21000 Hz | 10 - 20000 Hz | Sennheiser CX 400BT offer a larger frequency range than Bowers & Wilkins PI5. |
| Total Harmonic Distortion (THD) | 0.08% | <0.3% | Sennheiser CX 400BT have lower total harmonic distortion than Sennheiser CX 400BT. |
| Max Sound Pressure | 107 dB | - | |
| Diaphragm | 7 mm | 9.2 mm | Bowers & Wilkins PI5 have a thicker diaphragm than Sennheiser CX 400BT. |
| Features | - | Google Fast Pair, Auto Play, Auto Pause, Ambient Pass-Through |
| MICROPHONE | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphones Included | - | 4 |
| REMOTE CONTROL | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset | Answer/end, play/pause, next/previous track, reject call, voice assistant, ANC on/off, ANC mode |
|---|
| CABLE | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Cable Type | USB-C to USB-A cable - detachable - straight - 25 cm | USB-C charge cable - detachable - 20 cm |
|---|
| FEATURES | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Features | Voice alerts, touch control | Fast charge, auto power on/off | |
|---|---|---|---|
| Intelligent Assistant | Siri, Google Assistant | - | |
| Sensors | - | Wear sensor |
| BATTERY AND CHARGING | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Capacity | 55 mAh | - | |
| Battery Life | 7 hour(s) | 4 hour(s) | Sennheiser CX 400BT lasts longer on a single charge than the Bowers & Wilkins PI5. |
| 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 20 hours Continuous playback: up to 4 hours |
|
| Wireless Charging Standards | - | Qi | |
| Charging Time | 1.5 hour(s) | 3 hour(s) | Sennheiser CX 400BT recharge faster than Sennheiser CX 400BT. |
| Included Qty | 2 | - |
| WIRELESS LINK | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Radio Transmitter Power | 10 mW | - |
|---|
| OTHERS | Sennheiser CX 400BT | Bowers & Wilkins PI5 |
|---|
| Included Accessories | 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) | 3 pairs of ear tips (small, medium, large), USB-C charging cable, wireless charging case | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone, Android tablet | |
| 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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