In depth comparison and review of Sennheiser HD 820 and Bowers & Wilkins PX7. 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 820 | Bowers & Wilkins PX7 |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 17.5 cm | |
| Depth | - | 8 cm | |
| Weight | 360 g | 304 g | Bowers & Wilkins PX7 are lighter than Sennheiser HD 820 headphones. |
| Colour | - | Carbon | Space grey | Silver | |
| Earpad Material | Microfibre | Soft leather, memory foam | |
| Headband Material | - | Carbon fibre | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | - | Yes | Bowers & Wilkins PX7 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Noise Isolating | Yes | Yes | Both headphones are equipped with noise isolation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 6 - 48000 Hz | 10 - 30000 Hz | Sennheiser HD 820 offer a larger frequency range than Bowers & Wilkins PX7. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 103 dB/Vrms | 111 dB | Bowers & Wilkins PX7 have higher sensitivity than Sennheiser HD 820. |
| Impedance | 300 Ohm | 20 Ohm | |
| Diaphragm | - | 43.6 mm |
| MICROPHONE | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | CVC2 (Clear Voice Communication v2) | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Controls | - | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Cable Type | Headphones cable - OFC - 3 m | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Sensors | - | Proximity sensor |
|---|
| BATTERY AND CHARGING | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
| CONNECTIONS | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | Sennheiser HD 820 | Bowers & Wilkins PX7 |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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