Side by side comparison and review of JVC HA S40BT and Poly Blackwire 8225-M. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | JVC HA S40BT | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Weight | 146 g | 186 g | JVC HA S40BT are lighter than JVC HA S40BT headphones. |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | JVC HA S40BT | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 3.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | Bass Boost | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 84 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 30.5 mm | 32 mm | Poly Blackwire 8225-M have a thicker diaphragm than JVC HA S40BT. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | JVC HA S40BT | 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 S40BT | Poly Blackwire 8225-M |
|---|
| Controls | - | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | JVC HA S40BT | Poly Blackwire 8225-M |
|---|
| Cable Type | Micro-USB charge cable | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| BATTERY AND CHARGING | JVC HA S40BT | Poly Blackwire 8225-M |
|---|
| Battery Type | Handset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 17 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | JVC HA S40BT | Poly Blackwire 8225-M |
|---|
| Connector Type | Bluetooth | Headset (4 PIN USB Type A) |
|---|
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