Detailed comparison and review of Trust Eaze 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 Eaze | Poly Blackwire 3220 |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | 8.5 cm | 17.8 cm | |
| Width | 17 cm | 15.5 cm | |
| Depth | 18.5 cm | 3.2 cm | |
| Weight | 195 g | 64 g | Poly Blackwire 3220 are lighter than Trust Eaze headphones. |
| Colour | - | Black | |
| Earpad Material | Synthetic leather | Artificial leather | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Trust Eaze | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Trust Eaze can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| 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 | |
| Diaphragm | 40 mm | 28 mm | Trust Eaze have a thicker diaphragm than Poly Blackwire 3220. |
| Magnet Material | Neodymium | - | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Trust Eaze | Poly Blackwire 3220 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Trust Eaze | Poly Blackwire 3220 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Trust Eaze | Poly Blackwire 3220 |
|---|
| Cable Type | Headphones cable - detachable - straight Micro-USB charge cable |
USB-A cable |
|---|
| FEATURES | Trust Eaze | Poly Blackwire 3220 |
|---|
| Voice Control | Direct | - |
|---|
| BATTERY AND CHARGING | Trust Eaze | Poly Blackwire 3220 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 30 hours | - |
| CONNECTIONS | Trust Eaze | Poly Blackwire 3220 |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) USB (power only) (5 pin Micro-USB Type B) |
USB (4 PIN USB Type A) |
|---|
| OTHERS | Trust Eaze | 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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