In depth comparison and review of JVC HA S31M and JBL TUNE 670NC. 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 670NC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 140 g | 220 g | JVC HA S31M are lighter than JVC HA S31M headphones. |
| Colour | - | Black | Blue | White | Purple | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JVC HA S31M | JBL TUNE 670NC |
|---|
| Headphones Form Factor | On-ear | Over ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | JBL TUNE 670NC can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | JBL TUNE 670NC are equipped with active noice cancellation. |
| 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 670NC. |
| Sensitivity | - | 103 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 95 dB | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | Google Fast Pair | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA S31M | JBL TUNE 670NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Sensitivity | - | -30 dBV/Pascal |
| REMOTE CONTROL | JVC HA S31M | JBL TUNE 670NC |
|---|
| Controls | 4-button remote | Volume, power on/off, play/pause, skip track, pair mode, voice assistant, ANC on/off, track forward, call |
|---|
| CABLE | JVC HA S31M | JBL TUNE 670NC |
|---|
| Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | Audio cable - detachable - 1.2 m USB-C charge cable - detachable |
|
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Plated Connector | Gold | - |
| FEATURES | JVC HA S31M | JBL TUNE 670NC |
|---|
| Features | - | Multipoint Pairing | |
|---|---|---|---|
| Voice Control | - | Indirect |
| BATTERY AND CHARGING | JVC HA S31M | JBL TUNE 670NC |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 35 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 50 hours |
|
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | JVC HA S31M | JBL TUNE 670NC |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.4 - 2.4835GHz |
| CONNECTIONS | JVC HA S31M | JBL TUNE 670NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB-C (power only) (24 pin USB-C) Audio input / output (mini-phone 3.5mm) |
|---|
| OTHERS | JVC HA S31M | JBL TUNE 670NC |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Compliant Standards | - | ANATEL, EAC | |
| Service & Support | - | Limited warranty - 1 year |
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