Detailed comparison and review of Trust Zena and Poly Blackwire 3220. 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 Zena | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | 19.5 cm | 17.8 cm | |
| Width | 17.5 cm | 15.5 cm | |
| Depth | 7.3 cm | 3.2 cm | |
| Weight | 186 g | 64 g | Poly Blackwire 3220 are lighter than Trust Zena headphones. |
| Dimensions & Weight Details | Headphone body: 166 g | - | |
| Colour | - | Black | |
| Earpad Material | Synthetic leather | Artificial leather | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Trust Zena | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Trust Zena can be folded. |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC | - | |
| 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 | - | 90 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 100 dB | - | |
| Diaphragm | 40 mm | 28 mm | Trust Zena have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Trust Zena | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Frequency Response | 150 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 3220 offer a larger microphone frequency range than Trust Zena. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphone Features | Echo-cancelling | - |
| REMOTE CONTROL | Trust Zena | Poly Blackwire 3220 |
|---|
| Controls | Volume, play/pause, next/previous track, voice assistant | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Trust Zena | Poly Blackwire 3220 |
|---|
| Cable Type | Micro-USB charge cable - detachable Audio cable - detachable |
USB-A cable |
|---|
| BATTERY AND CHARGING | Trust Zena | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 75 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Trust Zena | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Trust Zena | 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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