Side by side comparison and review of Trust Dura and Poly Blackwire 3220. 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 | Trust Dura | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | 20 cm | 17.8 cm | |
| Width | 16 cm | 15.5 cm | |
| Depth | 8.5 cm | 3.2 cm | |
| Weight | 178 g | 64 g | Poly Blackwire 3220 are lighter than Trust Dura headphones. |
| Colour | Neon blue | Neon purple | Neon yellow | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Trust Dura | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| 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 | 20 - 20000 Hz | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Trust Dura have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Trust Dura | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Trust Dura | Poly Blackwire 3220 |
|---|
| Controls | Volume, on/off, answer/end, play/pause, next/previous track, voice assistant | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Trust Dura | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Micro-USB charge cable - detachable |
USB-A cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Trust Dura | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 6 hour(s) | - |
| CONNECTIONS | Trust Dura | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) Power input (5 pin Micro-USB Type B) |
USB (4 PIN USB Type A) |
|---|
| OTHERS | Trust Dura | Poly Blackwire 3220 |
|---|
| 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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