In depth comparison and review of Marshall MID A.N.C. and Poly Blackwire 3220. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 208 g | 64 g | Poly Blackwire 3220 are lighter than Marshall MID A.N.C. headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Headband Material | Plush, microfibre | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Marshall MID A.N.C. can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Audio Codec | aptX | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 99.3 dB | 90 dB | Marshall MID A.N.C. have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Marshall MID A.N.C. have a thicker diaphragm than Poly Blackwire 3220. |
| Features | Bluetooth aptX technology | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Controls | Remote control, answer/end | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - detachable - with remote control and mic USB charge cable |
USB-A cable |
|---|
| BATTERY AND CHARGING | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery | - | |
|---|---|---|---|
| Battery Life | 30 hours | - | |
| Battery Life Details | Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours Continuous playback (noise cancelling OFF): up to 30 hours |
- | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Marshall MID A.N.C. | Poly Blackwire 3220 |
|---|
| Included Accessories | Carrying case | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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