Side by side comparison and review of Shure SRH940-EFS and Poly Blackwire 3320-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 | Shure SRH940-EFS | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 322 g | 130 g | Poly Blackwire 3320-M are lighter than Shure SRH940-EFS headphones. |
| Colour | - | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Professional audio, home audio | Portable electronics, computer |
| SOUND QUALITY | Shure SRH940-EFS | Poly Blackwire 3320-M |
|---|
| 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 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 30000 Hz | 20 - 20000 Hz | Shure SRH940-EFS offer a larger frequency range than Poly Blackwire 3320-M. |
| Max Input Power | 1000 mW | - | |
| Sensitivity | 100 dB/mW | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Shure SRH940-EFS. |
| Impedance | 42 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Shure SRH940-EFS have a thicker diaphragm than Poly Blackwire 3320-M. |
| Magnet Material | Neodymium magnet | - | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Shure SRH940-EFS | Poly Blackwire 3320-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Shure SRH940-EFS | Poly Blackwire 3320-M |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Shure SRH940-EFS | Poly Blackwire 3320-M |
|---|
| Cable Type | Headphones cable - detachable - coiled - 3 m Headphones cable - detachable |
- | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| CONNECTIONS | Shure SRH940-EFS | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | Shure SRH940-EFS | Poly Blackwire 3320-M |
|---|
| Included Accessories | Carrying case, 6.3 mm (1/4") stereo adapter, velour ear pads | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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