In depth comparison and review of EPOS I SENNHEISER PC 373D and Poly Blackwire 3220. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER PC 373D | Poly Blackwire 3220 |
|---|
| Product Type | Headset - wired - USB | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | 3200 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | - | 64 g | |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Computer | Portable electronics, computer |
| SOUND QUALITY | EPOS I SENNHEISER PC 373D | Poly Blackwire 3220 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Open | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER PC 373D can be folded. |
| 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 | |
| Sound Effects | 7.1 Channel Virtual Surround Sound | - | |
| Frequency Response | 15 - 28000 Hz | - | |
| Sensitivity | 116 dB | 90 dB | EPOS I SENNHEISER PC 373D have higher sensitivity than Poly Blackwire 3220. |
| Impedance | 50 Ohm | 32 Ohm | |
| Diaphragm | - | 28 mm | |
| Features | - | Echo cancelation, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER PC 373D | Poly Blackwire 3220 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 50 - 16000 Hz | 100 - 10000 Hz | EPOS I SENNHEISER PC 373D offer a larger microphone frequency range than Poly Blackwire 3220. |
| Sensitivity | -38 dB | -38 dBV/Pascal |
| REMOTE CONTROL | EPOS I SENNHEISER PC 373D | Poly Blackwire 3220 |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | EPOS I SENNHEISER PC 373D | Poly Blackwire 3220 |
|---|
| Cable Type | Headset cable - 1.2 m Headset extension cable - 1.7 m |
USB-A cable | |
|---|---|---|---|
| Cable Length | 1.2 m | - |
| CONNECTIONS | EPOS I SENNHEISER PC 373D | Poly Blackwire 3220 |
|---|
| Connector Type | Headset (4 PIN USB Type A) | USB (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER PC 373D | Poly Blackwire 3220 |
|---|
| Compatibility | - | Mac, Windows | |
|---|---|---|---|
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 |
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