In depth comparison and review of Sennheiser HD 350BT and Philips Fidelio X3. 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 350BT | Philips Fidelio X3 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 23 cm | |
| Width | - | 19 cm | |
| Depth | - | 11 cm | |
| Weight | 238 g | 380 g | Sennheiser HD 350BT are lighter than Sennheiser HD 350BT headphones. |
| Colour | Black | White | - | |
| Earpad Material | - | Memory foam | |
| Recommended Use | - | Home audio | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Sennheiser HD 350BT | Philips Fidelio X3 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Open | |
| Foldable | Yes | - | Sennheiser HD 350BT can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| 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, apt-X LL | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 18 - 22000 Hz | 5 - 40000 Hz | Philips Fidelio X3 offer a larger frequency range than Sennheiser HD 350BT. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | <0.3% | 0.1% | Philips Fidelio X3 have lower total harmonic distortion than Sennheiser HD 350BT. |
| Sensitivity | - | 100 dB/mW | |
| Impedance | - | 30 Ohm | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | LMC - 50 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Sennheiser HD 350BT | Philips Fidelio X3 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphone Operation Mode | Beamforming | - | |
| Frequency Response | 80 - 6000 Hz | - | |
| Microphones Included | 2 | - |
| CABLE | Sennheiser HD 350BT | Philips Fidelio X3 |
|---|
| Cable Type | USB-C charge cable - detachable | Headphones cable - detachable - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Sennheiser HD 350BT | Philips Fidelio X3 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 300 mAh | - | |
| Battery Life | 30 hours | - | |
| Charging Time | 2 hours | - |
| CONNECTIONS | Sennheiser HD 350BT | Philips Fidelio X3 |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 350BT | Philips Fidelio X3 |
|---|
| Included Accessories | - | 3.5 mm to 6.3 mm adapter, cable clip | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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