In depth comparison and review of Poly Blackwire 8225-M and Marshall MAJOR IV. 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 8225-M | Marshall MAJOR IV |
|---|
| Product Type | Headset - wired - USB-A | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 186 g | 165 g | Marshall MAJOR IV are lighter than Poly Blackwire 8225-M headphones. |
| Colour | - | Black | Brown | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 8225-M | Marshall MAJOR IV |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | Yes | - | |
| Foldable | - | Yes | Marshall MAJOR IV can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Active Noise Cancelling | Yes | - | Poly Blackwire 8225-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | - | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 84 dB | 99 dB | Marshall MAJOR IV have higher sensitivity than Poly Blackwire 8225-M. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | Marshall MAJOR IV have a thicker diaphragm than Poly Blackwire 8225-M. |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Blackwire 8225-M | Marshall MAJOR IV |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | - | Poly Blackwire 8225-M microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -35 dBV/Pascal | - |
| REMOTE CONTROL | Poly Blackwire 8225-M | Marshall MAJOR IV |
|---|
| Controls | Mute, volume, answer/end, Microsoft Teams button | Volume, answer/end, play/pause, reject call, skip track |
|---|
| CABLE | Poly Blackwire 8225-M | Marshall MAJOR IV |
|---|
| Cable Type | Headset cable - 2.2 m | Headphones cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Cable Length | 2.2 m | - | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Poly Blackwire 8225-M | Marshall MAJOR IV |
|---|
| Battery Type | - | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Life | - | 80 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 80 hours | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Poly Blackwire 8225-M | Marshall MAJOR IV |
|---|
| Connector Type | Headset (4 PIN USB Type A) | Audio line-out / headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 8225-M | Marshall MAJOR IV |
|---|
| Included Accessories | - | USB-C charging cable |
|---|
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