Side by side comparison and review of Bang & Olufsen Beoplay H9i and Sennheiser HD 300 PROtect. 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 | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | 20 cm | - | |
| Width | 19.5 cm | - | |
| Depth | 5.2 cm | - | |
| Weight | 285 g | 297 g | Bang & Olufsen Beoplay H9i are lighter than Bang & Olufsen Beoplay H9i headphones. |
| Colour | Natural | Black | Pine | - | |
| Body Material | Fabric, rubber, anodised aluminium, polymer | - | |
| Earpad Material | Leather, memory foam | - | |
| Headband Material | Leather | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| Bluetooth Audio Codec | AAC | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 22000 Hz | 6 - 25000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than Bang & Olufsen Beoplay H9i. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | 95 dB/mW | 108 dB | Sennheiser HD 300 PROtect have higher sensitivity than Bang & Olufsen Beoplay H9i. |
| Impedance | 24 Ohm | 64 Ohm | |
| Diaphragm | 40 mm | - |
| MICROPHONE | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphones Included | 2 | - |
| REMOTE CONTROL | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode, noise-cancellation suspend button, audio transparency | - |
|---|
| CABLE | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB to USB-C cable - 1.25 m |
Headphones cable - 1.55 m | |
|---|---|---|---|
| Cable Length | 1.2 m | 1.55 m |
| FEATURES | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Features | - | EPOS ActiveGard | |
|---|---|---|---|
| Sensors | Proximity sensor | - |
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 770 mAh | - | |
| Battery Life | 24 hour(s) | - | |
| 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 | 2.5 hour(s) | - |
| CONNECTIONS | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Bang & Olufsen Beoplay H9i | Sennheiser HD 300 PROtect |
|---|
| Included Accessories | Carrying pouch, airplane adapter | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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