In depth comparison and review of Poly Blackwire C225 and Sennheiser HD 4.20s. 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 4.20s |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Colour | - | Black | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | - |
| SOUND QUALITY | Poly Blackwire C225 | Sennheiser HD 4.20s |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | - | Yes | Sennheiser HD 4.20s are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C225 | Sennheiser HD 4.20s |
|---|
| Type | Boom | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | - | -44 dBV/Pascal |
| REMOTE CONTROL | Poly Blackwire C225 | Sennheiser HD 4.20s |
|---|
| Controls | Mute, volume, answer/end | 1-button remote |
|---|
| CABLE | Poly Blackwire C225 | Sennheiser HD 4.20s |
|---|
| Cable Type | Headset cable | - | |
|---|---|---|---|
| Cable Length | - | 1.4 m | |
| Plated Connector | - | Gold |
| CONNECTIONS | Poly Blackwire C225 | Sennheiser HD 4.20s |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire C225 | Sennheiser HD 4.20s |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - parts and labour - 2 years |
|---|
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