Side by side comparison and review of Poly Blackwire 325-M and Adesso Xtream H4. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Blackwire 325-M | Adesso Xtream H4 |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 99.8 g | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics, computer |
| SOUND QUALITY | Poly Blackwire 325-M | 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 325-M | Adesso Xtream H4 |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325-M | Adesso Xtream H4 |
|---|
| Controls | Mute, volume, answer/end | Volume control |
|---|
| CABLE | Poly Blackwire 325-M | Adesso Xtream H4 |
|---|
| Cable Type | Headset cable - 2.13 m | Headset cable - straight - 1.8 m | |
|---|---|---|---|
| Cable Length | 2.13 m | 1.8 m |
| FEATURES | Poly Blackwire 325-M | Adesso Xtream H4 |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325-M | Adesso Xtream H4 |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm) Microphone (mini-phone 3.5mm) |
|---|
| OTHERS | Poly Blackwire 325-M | Adesso Xtream H4 |
|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
