Detailed comparison and review of Trust Dura and Poly Blackwire 3320-M. 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 | Trust Dura | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | 20 cm | 17.8 cm | |
| Width | 16 cm | 15.5 cm | |
| Depth | 8.5 cm | 3.2 cm | |
| Weight | 178 g | 130 g | Poly Blackwire 3320-M are lighter than Trust Dura headphones. |
| Colour | Neon blue | Neon purple | Neon yellow | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Trust Dura | Poly Blackwire 3320-M |
|---|
| 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 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 116 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Trust Dura have a thicker diaphragm than Poly Blackwire 3320-M. |
| Magnet Material | Neodymium | - | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Trust Dura | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Trust Dura | Poly Blackwire 3320-M |
|---|
| Controls | Volume, on/off, answer/end, play/pause, next/previous track, voice assistant | Mute, volume, answer/end |
|---|
| CABLE | Trust Dura | Poly Blackwire 3320-M |
|---|
| Cable Type | Headphones cable - detachable - 1.2 m Micro-USB charge cable - detachable |
- | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Trust Dura | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 6 hour(s) | - |
| CONNECTIONS | Trust Dura | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) Power input (5 pin Micro-USB Type B) |
USB (24 pin USB-C) |
|---|
| OTHERS | Trust Dura | Poly Blackwire 3320-M |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
