In depth comparison and review of Sennheiser HD 579 and Poly Blackwire 8225. 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 | Sennheiser HD 579 | Poly Blackwire 8225 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack, 6.35 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | HD 5 | - | |
| Weight | - | 186 g | |
| Colour | Silver | - | |
| Recommended Use | Home audio | - |
| SOUND QUALITY | Sennheiser HD 579 | Poly Blackwire 8225 |
|---|
| 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 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. |
| 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 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire 8225 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -35 dBV/Pascal |
| REMOTE CONTROL | Sennheiser HD 579 | Poly Blackwire 8225 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 579 | Poly Blackwire 8225 |
|---|
| 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 |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | Headset (USB Type-C) |
|---|
| OTHERS | Sennheiser HD 579 | Poly Blackwire 8225 |
|---|
| Included Accessories | 6.3 mm to 3.5 mm adapter | - | |
|---|---|---|---|
| Software Certification | - | Zoom Certified | |
| Service & Support | Limited warranty - 2 years | - |
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