In depth comparison and review of JVC HA S31M and Poly Blackwire 8225-M. 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 | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Weight | 140 g | 186 g | JVC HA S31M are lighter than JVC HA S31M headphones. |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JVC HA S31M | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Frequency Response | 10 - 26000 Hz | 20 - 20000 Hz | JVC HA S31M offer a larger frequency range than Poly Blackwire 8225-M. |
| Sensitivity | - | 84 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA S31M | Poly Blackwire 8225-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | JVC HA S31M | Poly Blackwire 8225-M |
|---|
| Controls | 4-button remote | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | JVC HA S31M | Poly Blackwire 8225-M |
|---|
| Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 1.2 m | 2.2 m | |
| Plated Connector | Gold | - |
| CONNECTIONS | JVC HA S31M | Poly Blackwire 8225-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | JVC HA S31M | Poly Blackwire 8225-M |
|---|
| Compatibility | iPhone | - |
|---|
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