Side by side comparison and review of Poly Blackwire 8225-M and EPOS I SENNHEISER ADAPT 135 USB II. 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 | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headset - wired - USB-A | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 186 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Poly Blackwire 8225-M headphones. |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | Yes | - | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | - | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 84 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 32 mm | - | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard DIGITAL Technology | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Mono | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 100 - 8000 Hz | Poly Blackwire 8225-M offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 135 USB II. |
| Sensitivity | -35 dBV/Pascal | - |
| REMOTE CONTROL | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Volume, answer/end |
|---|
| CABLE | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | Headset cable - 2.2 m | Headset cable | |
|---|---|---|---|
| Cable Length | 2.2 m | - |
| FEATURES | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Poly Blackwire 8225-M | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Software Certification | - | Optimised for UC | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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