In depth comparison and review of Poly Blackwire 325-M and RIG 400 with Dolby Atmos. 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-M | RIG 400 with Dolby Atmos |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Earpad Material | - | Memory foam | |
| Headband Material | Metal | - | |
| Recommended Use | - | Computer |
| SOUND QUALITY | Poly Blackwire 325-M | RIG 400 with Dolby Atmos |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Noise Isolating | - | Yes | RIG 400 with Dolby Atmos are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | - | 40 mW | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly Blackwire 325-M | RIG 400 with Dolby Atmos |
|---|
| Form Factor | - | Detachable headset microphone | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | - | Yes | RIG 400 with Dolby Atmos microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | 100 - 10000 Hz | The frequency response of the microphones in both headphones is the same. |
| Sensitivity | - | -45 dB | |
| Signal-To-Noise Ratio | - | 42 dB |
| REMOTE CONTROL | Poly Blackwire 325-M | RIG 400 with Dolby Atmos |
|---|
| Controls | Mute, volume, answer/end | Volume, microphone on/mute |
|---|
| CABLE | Poly Blackwire 325-M | RIG 400 with Dolby Atmos |
|---|
| Cable Type | Headset cable - 2.13 m | - | |
|---|---|---|---|
| Cable Length | 2.13 m | - |
| FEATURES | Poly Blackwire 325-M | RIG 400 with Dolby Atmos |
|---|
| Additional Functions | DSP | - |
|---|
| CONNECTIONS | Poly Blackwire 325-M | RIG 400 with Dolby Atmos |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 325-M | RIG 400 with Dolby Atmos |
|---|
| Compatibility | - | Windows | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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