In depth comparison and review of Trust Fyber and Poly Blackwire 3225 (3300 Series). 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 | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | 19 cm | 17.8 cm | |
| Width | 15 cm | 15.5 cm | |
| Depth | 7 cm | 3.2 cm | |
| Weight | 160 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than Trust Fyber headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics, phone | Computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Trust Fyber can be folded. |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3225 (3300 Series) 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 | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | Trust Fyber have a thicker diaphragm than Poly Blackwire 3225 (3300 Series). |
| Magnet Material | Ferrite | - | |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | Volume, answer/end, play/pause | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headphones cable Micro-USB charge cable |
USB-A cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - |
| BATTERY AND CHARGING | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Battery Type | Handset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 10 hour(s) | - |
| WIRELESS LINK | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Transmission Range | 10 m | - |
|---|
| CONNECTIONS | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (5 pin Micro-USB Type B (power only)) |
USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Trust Fyber | Poly Blackwire 3225 (3300 Series) |
|---|
| 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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