Side by side comparison and review of Trust Zena and Poly Blackwire 3320-M. 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 Zena | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 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 | 130 g | Poly Blackwire 3320-M are lighter than Trust Zena headphones. |
| Dimensions & Weight Details | Headphone body: 166 g | - | |
| Colour | - | Black | |
| Earpad Material | Synthetic leather | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Trust Zena | Poly Blackwire 3320-M |
|---|
| 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 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 116 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 100 dB | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Trust Zena have a thicker diaphragm than Poly Blackwire 3320-M. |
| Magnet Material | Neodymium | - | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Trust Zena | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 150 - 4000 Hz | 100 - 10000 Hz | Poly Blackwire 3320-M offer a larger microphone frequency range than Trust Zena. |
| Sensitivity | - | -38 dB | |
| Microphone Features | Echo-cancelling | - |
| REMOTE CONTROL | Trust Zena | Poly Blackwire 3320-M |
|---|
| Controls | Volume, play/pause, next/previous track, voice assistant | Mute, volume, answer/end |
|---|
| CABLE | Trust Zena | Poly Blackwire 3320-M |
|---|
| Cable Type | Micro-USB charge cable - detachable Audio cable - detachable |
- |
|---|
| BATTERY AND CHARGING | Trust Zena | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Life | 75 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Trust Zena | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (24 pin USB-C) |
|---|
| OTHERS | Trust Zena | Poly Blackwire 3320-M |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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