Side by side comparison and review of Sennheiser HD 4.50 BTNC Wireless and Bang & Olufsen Beoplay H9i. 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 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 20 cm | |
| Width | - | 19.5 cm | |
| Depth | - | 5.2 cm | |
| Weight | 238 g | 285 g | Sennheiser HD 4.50 BTNC Wireless are lighter than Sennheiser HD 4.50 BTNC Wireless headphones. |
| Colour | - | Natural | Black | Pine | |
| Body Material | - | Fabric, rubber, anodised aluminium, polymer | |
| Earpad Material | - | Leather, memory foam | |
| Headband Material | - | Leather | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | - | Sennheiser HD 4.50 BTNC Wireless can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.2 | Bang & Olufsen Beoplay H9i have a more advanced version of Bluetooth than Sennheiser HD 4.50 BTNC Wireless. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | - | AAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 20 - 22000 Hz | Sennheiser HD 4.50 BTNC Wireless offer a larger frequency range than Bang & Olufsen Beoplay H9i. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 113 dB | 95 dB/mW | Sennheiser HD 4.50 BTNC Wireless have higher sensitivity than Bang & Olufsen Beoplay H9i. |
| Impedance | 18 Ohm | 24 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 100 - 10000 Hz | - | |
| Microphones Included | 2 | 2 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Controls | Power on/off, volume control, answer/end, hold, play/pause, next/previous track, reject call, redial | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode, noise-cancellation suspend button, audio transparency |
|---|
| CABLE | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Cable Type | Headphones cable - detachable - L shaped - 1.4 m Micro-USB charge cable - detachable |
Headphones cable - detachable - 1.2 m USB to USB-C cable - 1.25 m |
|
|---|---|---|---|
| Cable Length | 1.4 m | 1.2 m | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| FEATURES | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Sensors | - | Proximity sensor |
|---|
| BATTERY AND CHARGING | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 600 mAh | 770 mAh | Bang & Olufsen Beoplay H9i have a higher battery capacity than Sennheiser HD 4.50 BTNC Wireless. |
| Battery Life | 25 hour(s) | 24 hour(s) | Sennheiser HD 4.50 BTNC Wireless lasts longer on a single charge than the Bang & Olufsen Beoplay H9i. |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 18 hours Continuous playback (noise cancelling OFF): up to 23 hours Continuous playback (noise cancelling ON / cable connection): up to 24 hours |
|
| Charging Time | 2 hour(s) | 2.5 hour(s) | Sennheiser HD 4.50 BTNC Wireless recharge faster than Sennheiser HD 4.50 BTNC Wireless. |
| CONNECTIONS | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sennheiser HD 4.50 BTNC Wireless | Bang & Olufsen Beoplay H9i |
|---|
| Included Accessories | Carrying case, micro-USB charging cable | Carrying pouch, airplane adapter | |
|---|---|---|---|
| Service & Support | - | Limited warranty - parts and labour - 2 years |
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