Side by side comparison and review of Sennheiser HD 579 and Poly Blackwire 8225-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 | Sennheiser HD 579 | Poly Blackwire 8225-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack, 6.35 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | HD 5 | - | |
| Weight | - | 186 g | |
| Colour | Silver | - | |
| Recommended Use | Home audio | - |
| SOUND QUALITY | Sennheiser HD 579 | Poly Blackwire 8225-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| 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 | - | |
| Frequency Response | 15 - 28000 Hz | 20 - 20000 Hz | Sennheiser HD 579 offer a larger frequency range than Poly Blackwire 8225-M. |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | - | 84 dB | |
| Impedance | 50 Ohm | 32 Ohm | |
| Max Sound Pressure | 106 dB | - | |
| Diaphragm | - | 32 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | Sennheiser HD 579 | Poly Blackwire 8225-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | Sennheiser HD 579 | Poly Blackwire 8225-M |
|---|
| Controls | - | Mute, volume, answer/end, Microsoft Teams button |
|---|
| CABLE | Sennheiser HD 579 | Poly Blackwire 8225-M |
|---|
| Cable Type | Headphones cable - detachable - straight - 3 m | Headset cable - 2.2 m | |
|---|---|---|---|
| Cable Length | 3 m | 2.2 m | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| CONNECTIONS | Sennheiser HD 579 | Poly Blackwire 8225-M |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | Sennheiser HD 579 | Poly Blackwire 8225-M |
|---|
| Included Accessories | 6.3 mm to 3.5 mm adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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