In depth comparison and review of Poly Blackwire C225 and Sennheiser HD 559. 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 559 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - wired | |
|---|---|---|---|
| Series | - | HD 5 | |
| Colour | - | Black | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | - |
| SOUND QUALITY | Poly Blackwire C225 | Sennheiser HD 559 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Open | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 14 - 26000 Hz | Sennheiser HD 559 offer a larger frequency range than Poly Blackwire C225. |
| Total Harmonic Distortion (THD) | - | 0.2% | |
| Sensitivity | - | 108 dB/Vrms | |
| Impedance | - | 50 Ohm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C225 | Sennheiser HD 559 |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C225 | Sennheiser HD 559 |
|---|
| Controls | Mute, volume, answer/end | - |
|---|
| CABLE | Poly Blackwire C225 | Sennheiser HD 559 |
|---|
| Cable Type | Headset cable | Headphones cable - 3 m | |
|---|---|---|---|
| Cable Length | - | 3 m | |
| Detachable Cable | - | Yes |
| CONNECTIONS | Poly Blackwire C225 | Sennheiser HD 559 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headphones (phone stereo 6.3 mm) |
|---|
| OTHERS | Poly Blackwire C225 | Sennheiser HD 559 |
|---|
| Service & Support | Limited warranty - 2 years | - |
|---|
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