In depth comparison and review of Bang & Olufsen Beoplay H9i and JVC HA S31M. 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 H9i | JVC HA S31M |
|---|
| 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 | 140 g | JVC HA S31M 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 | Portable electronics |
| SOUND QUALITY | Bang & Olufsen Beoplay H9i | JVC HA S31M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.2 | - | |
| Bluetooth Audio Codec | AAC | - | |
| Active Noise Cancelling | Yes | - | Bang & Olufsen Beoplay H9i are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 22000 Hz | 10 - 26000 Hz | JVC HA S31M offer a larger frequency range than Bang & Olufsen Beoplay H9i. |
| Sensitivity | 95 dB/mW | - | |
| Impedance | 24 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Bang & Olufsen Beoplay H9i | JVC HA S31M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphones Included | 2 | - |
| REMOTE CONTROL | Bang & Olufsen Beoplay H9i | JVC HA S31M |
|---|
| Controls | Volume, power on/off, answer/end, play/pause, next/previous track, pair mode, noise-cancellation suspend button, audio transparency | 4-button remote |
|---|
| CABLE | Bang & Olufsen Beoplay H9i | JVC HA S31M |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m USB to USB-C cable - 1.25 m |
Headphones cable - single-sided - L shaped - 1.2 m | |
|---|---|---|---|
| Cable Length | 1.2 m | 1.2 m | |
| Plated Connector | - | Gold |
| FEATURES | Bang & Olufsen Beoplay H9i | JVC HA S31M |
|---|
| Sensors | Proximity sensor | - |
|---|
| BATTERY AND CHARGING | Bang & Olufsen Beoplay H9i | JVC HA S31M |
|---|
| 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 | JVC HA S31M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Bang & Olufsen Beoplay H9i | JVC HA S31M |
|---|
| Included Accessories | Carrying pouch, airplane adapter | - | |
|---|---|---|---|
| Compatibility | - | iPhone | |
| Service & Support | Limited warranty - parts and labour - 2 years | - |
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