Side by side comparison and review of Roland RH 5 and Poly Blackwire 325. 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 | Roland RH 5 | Poly Blackwire 325 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Weight | 190 g | - | |
| Headband Material | - | Metal | |
| Recommended Use | Home audio | - |
| SOUND QUALITY | Roland RH 5 | Poly Blackwire 325 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 22000 Hz | 20 - 20000 Hz | Roland RH 5 offer a larger frequency range than Poly Blackwire 325. |
| Sensitivity | 92 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Roland RH 5 | Poly Blackwire 325 |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz |
| REMOTE CONTROL | Roland RH 5 | Poly Blackwire 325 |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Roland RH 5 | Poly Blackwire 325 |
|---|
| Cable Type | Headphones cable - 3 m | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | 3 m | 2.13 m | |
| Plated Connector | Gold | - |
| FEATURES | Roland RH 5 | Poly Blackwire 325 |
|---|
| Additional Functions | - | DSP |
|---|
| CONNECTIONS | Roland RH 5 | Poly Blackwire 325 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Roland RH 5 | Poly Blackwire 325 |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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