In depth comparison and review of Bang & Olufsen Beoplay H9 and EPOS I SENNHEISER C20. 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 | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | - | C-series | |
| Height | 22.5 cm | 20 cm | |
| Width | 19.7 cm | 16.5 cm | |
| Depth | 4 cm | 5.8 cm | |
| Weight | 285 g | 200 g | EPOS I SENNHEISER C20 are lighter than Bang & Olufsen Beoplay H9 headphones. |
| Colour | Argilla grey | Black | Black | |
| Body Material | Anodised aluminium | - | |
| Earpad Material | Leather | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 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 | 20 - 22000 Hz | - | |
| Total Harmonic Distortion (THD) | - | 3% | |
| Sensitivity | 93 dB/mW | - | |
| Impedance | 20 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Features | Bluetooth aptX technology | EPOS BrainAdapt Technology |
| MICROPHONE | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - |
| REMOTE CONTROL | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, noise-cancellation suspend button | - |
|---|
| CABLE | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m | - |
|---|
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Battery Type | Headphone battery rechargeable | Headset 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 |
- | |
| Standby Time | - | 300 hours | |
| Charging Time | 2.5 hour(s) | 2 hour(s) | EPOS I SENNHEISER C20 recharge faster than Bang & Olufsen Beoplay H9. |
| CONNECTIONS | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Bang & Olufsen Beoplay H9 | EPOS I SENNHEISER C20 |
|---|
| Included Accessories | Carrying pouch, airplane adapter, micro-USB charging cable (30cm) | Carrying case, charging cable, BTD 800 USB dongle | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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