Side by side comparison and review of Trust HS-250 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 HS-250 | Poly Blackwire 3320-M |
|---|
| Product Type | Headset - wired - USB-A | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 214 g | 130 g | Poly Blackwire 3320-M are lighter than Trust HS-250 headphones. |
| Colour | - | Black | |
| Earpad Material | Synthetic leather | Foam | |
| Recommended Use | Computer | Portable electronics, computer |
| SOUND QUALITY | Trust HS-250 | Poly Blackwire 3320-M |
|---|
| 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 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 | 108 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Trust HS-250. |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Trust HS-250 have a thicker diaphragm than Poly Blackwire 3320-M. |
| Magnet Material | Neodymium | - | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Trust HS-250 | Poly Blackwire 3320-M |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Omni-directional | - | |
| Frequency Response | 150 - 17000 Hz | 100 - 10000 Hz | Trust HS-250 offer a larger microphone frequency range than Poly Blackwire 3320-M. |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Trust HS-250 | Poly Blackwire 3320-M |
|---|
| Controls | Volume, microphone on/mute | Mute, volume, answer/end |
|---|
| CABLE | Trust HS-250 | Poly Blackwire 3320-M |
|---|
| Cable Type | Headset cable - 2 m | - | |
|---|---|---|---|
| Cable Length | 2 m | - |
| CONNECTIONS | Trust HS-250 | Poly Blackwire 3320-M |
|---|
| Connector Type | USB 2.0 (4 PIN USB Type A) | USB (24 pin USB-C) |
|---|
| OTHERS | Trust HS-250 | Poly Blackwire 3320-M |
|---|
| Compatibility | Mac, Windows | 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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