In depth comparison and review of Sennheiser HD 1 In-Ear Wireless and Bowers & Wilkins PI3. 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 HD 1 In-Ear Wireless | Bowers & Wilkins PI3 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Earphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 40 cm | |
| Width | - | 3 cm | |
| Depth | - | 4 cm | |
| Weight | - | 31.8 g | |
| Colour | - | Blue | Gold | Space grey | |
| Protection | - | Water-resistant | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 1 In-Ear Wireless | Bowers & Wilkins PI3 |
|---|
| Headphones Form Factor | In-ear | In-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Balanced armature | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Bowers & Wilkins PI3 have a more advanced version of Bluetooth than Sennheiser HD 1 In-Ear Wireless. |
| 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 | - | aptX | |
| Noise Isolating | - | Yes | Bowers & Wilkins PI3 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 22000 Hz | 10 - 30000 Hz | Bowers & Wilkins PI3 offer a larger frequency range than Sennheiser HD 1 In-Ear Wireless. |
| Total Harmonic Distortion (THD) | <0.5% | <0.3% | Bowers & Wilkins PI3 have lower total harmonic distortion than Sennheiser HD 1 In-Ear Wireless. |
| Max Sound Pressure | 112 dB | - | |
| Diaphragm | - | 9.2 mm | |
| Features | - | Dual driver | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 1 In-Ear Wireless | Bowers & Wilkins PI3 |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Sensitivity | -44 dBV/Pascal | - |
| REMOTE CONTROL | Sennheiser HD 1 In-Ear Wireless | Bowers & Wilkins PI3 |
|---|
| Controls | - | Volume |
|---|
| CABLE | Sennheiser HD 1 In-Ear Wireless | Bowers & Wilkins PI3 |
|---|
| Cable Type | USB charge cable | USB-C to USB-A cable - 20 cm |
|---|
| BATTERY AND CHARGING | Sennheiser HD 1 In-Ear Wireless | Bowers & Wilkins PI3 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 170 mAh | - | |
| Battery Life | 10 hour(s) | 8 hour(s) | Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the Bowers & Wilkins PI3. |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Sennheiser HD 1 In-Ear Wireless | Bowers & Wilkins PI3 |
|---|
| Included Accessories | Carrying case, 4 pairs of earpads (extra small, small, medium, large) | Carrying pouch, 3 pairs of ear tips (small, medium, large), USB-C charging cable | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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