Side by side comparison and review of Sennheiser HD 579 and Poly Blackwire 3225 (3300 Series). 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 3225 (3300 Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack, 6.35 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | HD 5 | 3300 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | - | 64 g | |
| Colour | Silver | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Home audio | Computer |
| SOUND QUALITY | Sennheiser HD 579 | Poly Blackwire 3225 (3300 Series) |
|---|
| 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 3225 (3300 Series) are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 15 - 28000 Hz | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | - | 90 dB | |
| Impedance | 50 Ohm | 32 Ohm | |
| Max Sound Pressure | 106 dB | - | |
| Diaphragm | - | 28 mm | |
| Magnet Material | Neodymium | - | |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 579 | Poly Blackwire 3225 (3300 Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Sennheiser HD 579 | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Sennheiser HD 579 | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headphones cable - detachable - straight - 3 m | USB-A cable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| CONNECTIONS | Sennheiser HD 579 | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 579 | Poly Blackwire 3225 (3300 Series) |
|---|
| Included Accessories | 6.3 mm to 3.5 mm adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Service & Support | Limited warranty - 2 years | - |
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