Detailed comparison and review of Marshall Major III Bluetooth and Poly Blackwire 3320-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 Major III Bluetooth | 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 | 178 g | 130 g | Poly Blackwire 3320-M are lighter than Marshall Major III Bluetooth headphones. |
| Colour | Brown | White | Black | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Marshall Major III Bluetooth | Poly Blackwire 3320-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Marshall Major III Bluetooth can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Audio Codec | aptX | - | |
| 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 | 97 dB | 116 dB | Poly Blackwire 3320-M have higher sensitivity than Marshall Major III Bluetooth. |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 40 mm | 32 mm | Marshall Major III Bluetooth have a thicker diaphragm than Poly Blackwire 3320-M. |
| Features | Bluetooth aptX technology | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Marshall Major III Bluetooth | Poly Blackwire 3320-M |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | Marshall Major III Bluetooth | Poly Blackwire 3320-M |
|---|
| Controls | Power on/off, volume control, answer/end, play/pause, reject call, shuffle | Mute, volume, answer/end |
|---|
| CABLE | Marshall Major III Bluetooth | Poly Blackwire 3320-M |
|---|
| Cable Type | Headphones cable - detachable - coiled - L shaped | - | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Marshall Major III Bluetooth | Poly Blackwire 3320-M |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Marshall Major III Bluetooth | Poly Blackwire 3320-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) Audio line-out (mini-phone stereo 3.5 mm) |
USB (24 pin USB-C) |
|---|
| OTHERS | Marshall Major III Bluetooth | Poly Blackwire 3320-M |
|---|
| Included Accessories | Micro-USB charging cable | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS | |
| Service & Support | Limited warranty - 1 year | - |
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