In depth comparison and review of JVC HA S31M and JBL TUNE 520BT. 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 S31M | JBL TUNE 520BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | 140 g | 157 g | JVC HA S31M are lighter than JVC HA S31M headphones. |
| Colour | - | Black | Purple | White | Blue | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JVC HA S31M | JBL TUNE 520BT |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | JBL TUNE 520BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.3 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 10 - 26000 Hz | 20 - 20000 Hz | JVC HA S31M offer a larger frequency range than JBL TUNE 520BT. |
| Sensitivity | - | 102 dB | |
| Impedance | 32 Ohm | 30 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | - | 33 mm | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA S31M | JBL TUNE 520BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Sensitivity | - | -29 dB |
| REMOTE CONTROL | JVC HA S31M | JBL TUNE 520BT |
|---|
| Controls | 4-button remote | Volume |
|---|
| CABLE | JVC HA S31M | JBL TUNE 520BT |
|---|
| Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | USB-C cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Plated Connector | Gold | - |
| FEATURES | JVC HA S31M | JBL TUNE 520BT |
|---|
| Features | - | Multipoint Pairing, VoiceAware | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Google Assistant ready, Siri ready |
| BATTERY AND CHARGING | JVC HA S31M | JBL TUNE 520BT |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 450 mAh | |
| Battery Life | - | 57 hour(s) | |
| Battery Life Details | - | Continuous playback (with 5 min charge): up to 3 hours | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | JVC HA S31M | JBL TUNE 520BT |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.4 - 2.4835GHz |
| CONNECTIONS | JVC HA S31M | JBL TUNE 520BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | JVC HA S31M | JBL TUNE 520BT |
|---|
| Included Accessories | - | Charging cable | |
|---|---|---|---|
| Compatibility | iPhone | - |
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