Side by side comparison and review of Sennheiser HD 820 and Bang & Olufsen Beoplay H9 3rd Generation. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 20 cm | |
| Width | - | 19.7 cm | |
| Depth | - | 5.2 cm | |
| Weight | 360 g | 285 g | Bang & Olufsen Beoplay H9 3rd Generation are lighter than Sennheiser HD 820 headphones. |
| Colour | - | Chestnut | |
| Body Material | - | Stainless steel, aluminium | |
| Earpad Material | Microfibre | Leather | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Audio Codec | - | SBC, AAC, apt-X LL | |
| Active Noise Cancelling | - | Yes | Bang & Olufsen Beoplay H9 3rd Generation are equipped with active noice cancellation. |
| Noise Isolating | Yes | - | Sennheiser HD 820 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 6 - 48000 Hz | 20 - 22000 Hz | Sennheiser HD 820 offer a larger frequency range than Bang & Olufsen Beoplay H9 3rd Generation. |
| Sensitivity | 103 dB/Vrms | 93 dB | Sennheiser HD 820 have higher sensitivity than Bang & Olufsen Beoplay H9 3rd Generation. |
| Impedance | 300 Ohm | 24 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Form Factor | - | Built-in |
|---|
| REMOTE CONTROL | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Controls | - | Volume, on/off, answer/end, play/pause, next/previous track, pair mode, voice assistant, noise-cancellation suspend button, ANC on/off |
|---|
| CABLE | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Cable Type | Headphones cable - OFC - 3 m | Headphones cable - detachable - 1.2 m USB-C charge cable - detachable - 1.25 m |
|
|---|---|---|---|
| Cable Length | 3 m | 1.2 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Features | - | Touch control | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant |
| BATTERY AND CHARGING | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 1110 mAh | |
| Battery Life | - | 33 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 25 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 32 hours Continuous playback (noise cancelling ON / cable connection): up to 33 hours |
|
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 820 | Bang & Olufsen Beoplay H9 3rd Generation |
|---|
| Included Accessories | USB flash drive, microfibre cleaning cloth, 4.4 mm Pentaconn stereo jack plug, XLR-4 connector | Carrying pouch, airplane adapter |
|---|
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