Side by side comparison and review of Sennheiser HD 300 PRO 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 300 PRO | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 297 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than Sennheiser HD 300 PRO headphones. |
| Colour | - | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Sennheiser HD 300 PRO | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| 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 | 6 - 25000 Hz | - | |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | 108 dB | 90 dB | Sennheiser HD 300 PRO have higher sensitivity than Poly Blackwire 3225 (3300 Series). |
| Impedance | 64 Ohm | 32 Ohm | |
| Max Sound Pressure | 123 dB | - | |
| Diaphragm | - | 28 mm | |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 300 PRO | 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 300 PRO | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Sennheiser HD 300 PRO | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headphones cable - 1.55 m | USB-A cable | |
|---|---|---|---|
| Cable Length | 1.55 m | - |
| CONNECTIONS | Sennheiser HD 300 PRO | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Sennheiser HD 300 PRO | Poly Blackwire 3225 (3300 Series) |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| 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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