In depth comparison and review of Marshall MAJOR II and Poly Blackwire 3320-M. 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 | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 202 g | 130 g | Poly Blackwire 3320-M are lighter than Marshall MAJOR II headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | Marshall MAJOR II can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| 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 | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 98 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Marshall MAJOR II. |
| Impedance | 85 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Marshall MAJOR II have a thicker diaphragm than Poly Blackwire 3320-M. |
| Features | Bluetooth aptX technology | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Controls | Volume control, answer/end, play/pause, next/previous track, reject call | Mute, volume, answer/end |
|---|
| CABLE | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Cable Type | Headphones cable - detachable - with remote control and mic - L shaped | - |
|---|
| BATTERY AND CHARGING | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 680 mAh | - | |
| Battery Life | 30 hour(s) | - | |
| Charging Time | 6 hour(s) | - |
| CONNECTIONS | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (24 pin USB-C) |
|---|
| OTHERS | Marshall MAJOR II | Poly Blackwire 3320-M |
|---|
| Included Accessories | USB charge cable | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 2 years | - |
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