In depth comparison and review of Poly Blackwire 325 and Jabra Connect 4h. 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 325 | Jabra Connect 4h |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | 300 Series | - | |
| Height | - | 17.9 cm | |
| Width | - | 13.6 cm | |
| Depth | - | 5.4 cm | |
| Weight | - | 125 g | |
| Headband Material | Metal | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Poly Blackwire 325 | Jabra Connect 4h |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Volume Limiting Function | - | Yes | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Diaphragm | - | 28 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Jabra Connect 4h |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325 | Jabra Connect 4h |
|---|
| Controls | Mute, volume, answer/end | Volume |
|---|
| CABLE | Poly Blackwire 325 | Jabra Connect 4h |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | 1.5 m |
| FEATURES | Poly Blackwire 325 | Jabra Connect 4h |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325 | Jabra Connect 4h |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headset (USB Type-C) |
|---|
| OTHERS | Poly Blackwire 325 | Jabra Connect 4h |
|---|
| Included Accessories | - | Protection bag | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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