Side by side comparison and review of Trust Ozo 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 Ozo | Poly Blackwire 3220 |
|---|
| Product Type | Headset - wired - USB-A | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | 22 cm | 17.8 cm | |
| Width | 16 cm | 15.5 cm | |
| Depth | 9 cm | 3.2 cm | |
| Weight | 214 g | 64 g | Poly Blackwire 3220 are lighter than Trust Ozo headphones. |
| Colour | - | Black | |
| Earpad Material | Synthetic leather | Artificial leather | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer |
| SOUND QUALITY | Trust Ozo | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Connectivity Technology | Wired | Wired | |
| 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 | - | |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | 108 dB | 90 dB | Trust Ozo have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 92 dB | - | |
| Diaphragm | 40 mm | 28 mm | Trust Ozo have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Trust Ozo | Poly Blackwire 3220 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | 150 - 17000 Hz | 100 - 10000 Hz | Trust Ozo offer a larger microphone frequency range than Poly Blackwire 3220. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphone Features | Mute function | - |
| REMOTE CONTROL | Trust Ozo | Poly Blackwire 3220 |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Trust Ozo | Poly Blackwire 3220 |
|---|
| Cable Type | USB cable - straight - 2 m | USB-A cable | |
|---|---|---|---|
| Cable Length | 2 m | - |
| CONNECTIONS | Trust Ozo | Poly Blackwire 3220 |
|---|
| Connector Type | USB 2.0 (4 PIN USB Type A) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Trust Ozo | Poly Blackwire 3220 |
|---|
| Compatibility | Mac, Windows | 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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