Detailed comparison and review of Marshall Monitor Bluetooth and Poly Blackwire 325-M. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Product Type | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 300 Series | |
| Colour | Black | - | |
| Headband Material | - | Metal |
| SOUND QUALITY | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Foldable | Yes | - | Marshall Monitor Bluetooth can be folded. |
| Connectivity Technology | Wireless, wired | Wired | |
| Wireless Technology | Bluetooth | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 10 - 20000 Hz | 20 - 20000 Hz | Marshall Monitor Bluetooth offer a larger frequency range than Poly Blackwire 325-M. |
| Sensitivity | 92 dB | - | |
| Impedance | 28 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Features | Bluetooth aptX technology | SoundGuard Technology | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Controls | Answer/end | Mute, volume, answer/end |
|---|
| CABLE | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Cable Type | Headphones cable - detachable | Headset cable - 2.13 m | |
|---|---|---|---|
| Cable Length | - | 2.13 m |
| FEATURES | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Additional Functions | - | DSP |
|---|
| BATTERY AND CHARGING | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Battery Life | 30 hour(s) | - |
|---|
| CONNECTIONS | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Marshall Monitor Bluetooth | Poly Blackwire 325-M |
|---|
| Included Accessories | USB charging cable, carrying bag | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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