In depth comparison and review of Poly Blackwire C225 and Adesso Xtream H4. 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 | Adesso Xtream H4 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 99.8 g | |
| Headband Material | Metal | - | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire C225 | Adesso Xtream H4 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 105 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire C225 | Adesso Xtream H4 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire C225 | Adesso Xtream H4 |
|---|
| Controls | Mute, volume, answer/end | Volume control |
|---|
| CABLE | Poly Blackwire C225 | Adesso Xtream H4 |
|---|
| Cable Type | Headset cable | Headset cable - straight - 1.8 m | |
|---|---|---|---|
| Cable Length | - | 1.8 m |
| CONNECTIONS | Poly Blackwire C225 | Adesso Xtream H4 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) Microphone (mini-phone 3.5mm) |
|---|
| OTHERS | Poly Blackwire C225 | Adesso Xtream H4 |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
|---|
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