Side by side comparison and review of Roland RH A7 and Poly Blackwire 3320-M. 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 A7 | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 200 g | 130 g | Poly Blackwire 3320-M are lighter than Roland RH A7 headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Professional audio | Portable electronics, computer |
| SOUND QUALITY | Roland RH A7 | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3320-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 25000 Hz | 20 - 20000 Hz | Roland RH A7 offer a larger frequency range than Poly Blackwire 3320-M. |
| Sensitivity | 97 dB/mW | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Roland RH A7. |
| Impedance | 34 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Roland RH A7 have a thicker diaphragm than Poly Blackwire 3320-M. |
| Magnet Material | Neodymium magnet | - | |
| Features | - | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Roland RH A7 | Poly Blackwire 3320-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Roland RH A7 | Poly Blackwire 3320-M |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Roland RH A7 | Poly Blackwire 3320-M |
|---|
| Cable Type | Headphones cable - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| CONNECTIONS | Roland RH A7 | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | Roland RH A7 | Poly Blackwire 3320-M |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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