Side by side comparison and review of Poly Blackwire 8225-M and Shure SRH940-EFS. 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 | Poly Blackwire 8225-M | Shure SRH940-EFS |
|---|
| Product Type | Headset - wired - USB-A | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 186 g | 322 g | Poly Blackwire 8225-M are lighter than Poly Blackwire 8225-M headphones. |
| Recommended Use | - | Professional audio, home audio |
| SOUND QUALITY | Poly Blackwire 8225-M | Shure SRH940-EFS |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | Yes | |
| Foldable | - | Yes | Shure SRH940-EFS can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 30000 Hz | Shure SRH940-EFS offer a larger frequency range than Poly Blackwire 8225-M. |
| Max Input Power | - | 1000 mW | |
| Sensitivity | 84 dB | 100 dB/mW | Shure SRH940-EFS have higher sensitivity than Poly Blackwire 8225-M. |
| Impedance | 32 Ohm | 42 Ohm | |
| Diaphragm | 32 mm | 40 mm | Shure SRH940-EFS have a thicker diaphragm than Poly Blackwire 8225-M. |
| Magnet Material | - | Neodymium magnet | |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Blackwire 8225-M | Shure SRH940-EFS |
|---|
| 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 | Poly Blackwire 8225-M | Shure SRH940-EFS |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | - |
|---|
| CABLE | Poly Blackwire 8225-M | Shure SRH940-EFS |
|---|
| Cable Type | Headset cable - 2.2 m | Headphones cable - detachable - coiled - 3 m Headphones cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.2 m | 3 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | - | Gold |
| CONNECTIONS | Poly Blackwire 8225-M | Shure SRH940-EFS |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 8225-M | Shure SRH940-EFS |
|---|
| Included Accessories | - | Carrying case, 6.3 mm (1/4") stereo adapter, velour ear pads | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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