Side by side comparison and review of Sennheiser HD 300 PRO and Poly SupraPlus NC. 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 SupraPlus NC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset | |
|---|---|---|---|
| Weight | 297 g | - |
| SOUND QUALITY | Sennheiser HD 300 PRO | Poly SupraPlus NC |
|---|
| Headphones Form Factor | Full size | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 6 - 25000 Hz | - | |
| Max Input Power | 500 mW | - | |
| Total Harmonic Distortion (THD) | <0.1% | - | |
| Sensitivity | 108 dB | - | |
| Impedance | 64 Ohm | - | |
| Max Sound Pressure | 123 dB | - |
| CABLE | Sennheiser HD 300 PRO | Poly SupraPlus NC |
|---|
| Cable Type | Headphones cable - 1.55 m | - | |
|---|---|---|---|
| Cable Length | 1.55 m | - |
| CONNECTIONS | Sennheiser HD 300 PRO | Poly SupraPlus NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | Sennheiser HD 300 PRO | Poly SupraPlus NC |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Monitor receiver | |
|---|---|---|---|
| TAA Compliant | - | Yes |
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