Detailed comparison and review of Poly Blackwire 325-M and Sennheiser HD 300 PRO. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 297 g | |
| Headband Material | Metal | - |
| SOUND QUALITY | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 6 - 25000 Hz | Sennheiser HD 300 PRO offer a larger frequency range than Poly Blackwire 325-M. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | - | 108 dB | |
| Impedance | - | 64 Ohm | |
| Max Sound Pressure | - | 123 dB | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Cable Type | Headset cable - 2.13 m | Headphones cable - 1.55 m | |
|---|---|---|---|
| Cable Length | 2.13 m | 1.55 m |
| FEATURES | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 325-M | Sennheiser HD 300 PRO |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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