Side by side comparison and review of Shure SRH940-EFS and Poly Blackwire C3220 (3200 Series). 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 | Shure SRH940-EFS | Poly Blackwire C3220 (3200 Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 322 g | 64 g | Poly Blackwire C3220 (3200 Series) 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 C3220 (3200 Series) |
|---|
| 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 C3220 (3200 Series) 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 C3220 (3200 Series). |
| Impedance | 42 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Shure SRH940-EFS have a thicker diaphragm than Poly Blackwire C3220 (3200 Series). |
| Magnet Material | Neodymium magnet | - | |
| Features | - | Digital signal processing, echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Shure SRH940-EFS | Poly Blackwire C3220 (3200 Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Shure SRH940-EFS | Poly Blackwire C3220 (3200 Series) |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Shure SRH940-EFS | Poly Blackwire C3220 (3200 Series) |
|---|
| Cable Type | Headphones cable - detachable - coiled - 3 m Headphones cable - detachable |
USB-C cable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| CONNECTIONS | Shure SRH940-EFS | Poly Blackwire C3220 (3200 Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (USB Type-C) |
|---|
| OTHERS | Shure SRH940-EFS | Poly Blackwire C3220 (3200 Series) |
|---|
| Included Accessories | Carrying case, 6.3 mm (1/4") stereo adapter, velour ear pads | Carrying case | |
|---|---|---|---|
| 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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