In depth comparison and review of Poly Blackwire C225 and Sennheiser HD 300 PROtect. 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 | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 297 g | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | - |
| SOUND QUALITY | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 6 - 25000 Hz | Sennheiser HD 300 PROtect offer a larger frequency range than Poly Blackwire C225. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | - | 108 dB | |
| Impedance | - | 64 Ohm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Cable Type | Headset cable | Headphones cable - 1.55 m | |
|---|---|---|---|
| Cable Length | - | 1.55 m |
| FEATURES | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire C225 | Sennheiser HD 300 PROtect |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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