In depth comparison and review of JVC HA S20BT 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 | JVC HA S20BT | JVC HA S31M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 96 g | 140 g | JVC HA S20BT are lighter than JVC HA S20BT headphones. |
| Colour | Pink | White | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | JVC HA S20BT | JVC HA S31M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| 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 | - | |
| Frequency Response | 20 - 20000 Hz | 10 - 26000 Hz | JVC HA S31M offer a larger frequency range than JVC HA S20BT. |
| Impedance | 30 Ohm | 32 Ohm | |
| Diaphragm | 30.7 mm | - | |
| Magnet Material | Ferrite | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | JVC HA S20BT | JVC HA S31M |
|---|
| Form Factor | Built-in | - |
|---|
| REMOTE CONTROL | JVC HA S20BT | JVC HA S31M |
|---|
| Controls | Power on/off, volume control, 3-button remote | 4-button remote |
|---|
| CABLE | JVC HA S20BT | JVC HA S31M |
|---|
| Cable Type | USB charge cable - detachable | Headphones cable - single-sided - L shaped - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | JVC HA S20BT | JVC HA S31M |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 11 hour(s) | - | |
| Charging Time | 2.5 hour(s) | - |
| CONNECTIONS | JVC HA S20BT | JVC HA S31M |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | JVC HA S20BT | JVC HA S31M |
|---|
| Compatibility | - | iPhone | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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