Side by side comparison and review of Jabra EVOLVE 30 MS Stereo and JVC HA S31BT. 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 | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 158 g | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Foldable | - | Yes | JVC HA S31BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Dynamic Bass Boost (DBB) | |
| Frequency Response | 150 - 7000 Hz | 20 - 20000 Hz | JVC HA S31BT offer a larger frequency range than Jabra EVOLVE 30 MS Stereo. |
| Max Input Power | 10 mW | - | |
| Sensitivity | 93.6 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | - | 30.7 mm | |
| Magnet Material | - | Ferrite | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | Electret condenser | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Type | Headset remote control | - | |
|---|---|---|---|
| Controls | Mute, volume, answer/end | 4-button remote |
| CABLE | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Cable Type | Headset cable | USB charge cable - detachable | |
|---|---|---|---|
| Cable Length | 1.2 m | - |
| BATTERY AND CHARGING | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 17 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Connector Type | Headset (4 PIN USB Type A) | USB (power only) (micro-USB) |
|---|
| OTHERS | Jabra EVOLVE 30 MS Stereo | JVC HA S31BT |
|---|
| Included Accessories | Carrying pouch | - |
|---|
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