In depth comparison and review of JVC HA S31M and Bowers & Wilkins PX7. 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 | Bowers & Wilkins PX7 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 17.5 cm | |
| Depth | - | 8 cm | |
| Weight | 140 g | 304 g | JVC HA S31M are lighter than JVC HA S31M headphones. |
| Colour | - | Carbon | Space grey | Silver | |
| Earpad Material | - | Soft leather, memory foam | |
| Headband Material | - | Carbon fibre | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Bowers & Wilkins PX7 can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD | |
| Active Noise Cancelling | - | Yes | Bowers & Wilkins PX7 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Noise Isolating | - | Yes | Bowers & Wilkins PX7 are equipped with a noise isolating function. |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 10 - 26000 Hz | 10 - 30000 Hz | Bowers & Wilkins PX7 offer a larger frequency range than JVC HA S31M. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | - | 111 dB | |
| Impedance | 32 Ohm | 20 Ohm | |
| Diaphragm | - | 43.6 mm | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Bowers & Wilkins PX7 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | CVC2 (Clear Voice Communication v2) | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Controls | 4-button remote | Volume control, on/off, answer/end, play/pause, next/previous track |
|---|
| CABLE | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | Headphones cable - detachable - 1.2 m USB to USB-C cable - detachable - 1.2 m |
|
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| FEATURES | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Sensors | - | Proximity sensor |
|---|
| BATTERY AND CHARGING | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (with 15 min charge): up to 5 hours |
| CONNECTIONS | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | JVC HA S31M | Bowers & Wilkins PX7 |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Compatibility | iPhone | - | |
| Service & Support | - | Limited warranty - 2 years |
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