Detailed comparison and review of Shure SRH940-EFS and Poly Blackwire 3220. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Shure SRH940-EFS | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 322 g | 64 g | Poly Blackwire 3220 are lighter than Shure SRH940-EFS headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Professional audio, home audio | Portable electronics, computer |
| SOUND QUALITY | Shure SRH940-EFS | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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 3220 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 30000 Hz | - | |
| Max Input Power | 1000 mW | - | |
| Sensitivity | 100 dB/mW | 90 dB | Shure SRH940-EFS have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 42 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Shure SRH940-EFS have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium magnet | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Shure SRH940-EFS | Poly Blackwire 3220 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Shure SRH940-EFS | Poly Blackwire 3220 |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Shure SRH940-EFS | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - detachable - coiled - 3 m Headphones cable - detachable |
USB-A cable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| CONNECTIONS | Shure SRH940-EFS | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Shure SRH940-EFS | Poly Blackwire 3220 |
|---|
| Included Accessories | Carrying case, 6.3 mm (1/4") stereo adapter, velour ear pads | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Service & Support | Limited warranty - 2 years | - |
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