Side by side comparison and review of Poly Blackwire 325-M and Trust Dura. 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 | Poly Blackwire 325-M | Trust Dura |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 20 cm | |
| Width | - | 16 cm | |
| Depth | - | 8.5 cm | |
| Weight | - | 178 g | |
| Colour | - | Neon blue | Neon purple | Neon yellow | |
| Headband Material | Metal | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 325-M | Trust Dura |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Trust Dura |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | Trust Dura |
|---|
| Controls | Mute, volume, answer/end | Volume, on/off, answer/end, play/pause, next/previous track, voice assistant |
|---|
| CABLE | Poly Blackwire 325-M | Trust Dura |
|---|
| Cable Type | Headset cable - 2.13 m | Headphones cable - detachable - 1.2 m Micro-USB charge cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.13 m | 1.2 m | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 325-M | Trust Dura |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325-M | Trust Dura |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 6 hour(s) |
| CONNECTIONS | Poly Blackwire 325-M | Trust Dura |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm) Power input (5 pin Micro-USB Type B) |
|---|
| OTHERS | Poly Blackwire 325-M | Trust Dura |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
|---|
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