Side by side comparison and review of Sennheiser HD 559 and Bang & Olufsen Beoplay H9. 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 559 | Bang & Olufsen Beoplay H9 |
|---|
| Product Type | Headphones - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | HD 5 | - | |
| Height | - | 22.5 cm | |
| Width | - | 19.7 cm | |
| Depth | - | 4 cm | |
| Weight | - | 285 g | |
| Colour | Black | Argilla grey | Black | |
| Body Material | - | Anodised aluminium | |
| Earpad Material | - | Leather | |
| Recommended Use | - | Portable electronics |
| SOUND QUALITY | Sennheiser HD 559 | Bang & Olufsen Beoplay H9 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | AAC, aptX | |
| Active Noise Cancelling | - | Yes | Bang & Olufsen Beoplay H9 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 14 - 26000 Hz | 20 - 22000 Hz | Sennheiser HD 559 offer a larger frequency range than Bang & Olufsen Beoplay H9. |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 108 dB/Vrms | 93 dB/mW | Sennheiser HD 559 have higher sensitivity than Bang & Olufsen Beoplay H9. |
| Impedance | 50 Ohm | 20 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | Bluetooth aptX technology |
| MICROPHONE | Sennheiser HD 559 | Bang & Olufsen Beoplay H9 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Omni-directional |
| REMOTE CONTROL | Sennheiser HD 559 | Bang & Olufsen Beoplay H9 |
|---|
| Controls | - | Volume, answer/end, play/pause, next/previous track, noise-cancellation suspend button |
|---|
| CABLE | Sennheiser HD 559 | Bang & Olufsen Beoplay H9 |
|---|
| Cable Type | Headphones cable - 3 m | Headphones cable - detachable - 1.2 m | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 559 | Bang & Olufsen Beoplay H9 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 770 mAh | |
| Battery Life | - | 21 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 14 hours Continuous playback (noise cancelling OFF): up to 16 hours Continuous playback (noise cancelling ON / cable connection): up to 21 hours |
|
| Charging Time | - | 2.5 hour(s) |
| CONNECTIONS | Sennheiser HD 559 | Bang & Olufsen Beoplay H9 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 559 | Bang & Olufsen Beoplay H9 |
|---|
| Included Accessories | - | Carrying pouch, airplane adapter, micro-USB charging cable (30cm) | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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