Detailed comparison and review of Poly Blackwire 325 and Marshall Major III Bluetooth. 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 | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 178 g | |
| Colour | - | Brown | White | Black | |
| Headband Material | Metal | - | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Marshall Major III Bluetooth can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Audio Codec | - | aptX | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 97 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | SoundGuard Technology | Bluetooth aptX technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Frequency Response | 100 - 10000 Hz | - |
| REMOTE CONTROL | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Controls | Mute, volume, answer/end | Power on/off, volume control, answer/end, play/pause, reject call, shuffle |
|---|
| CABLE | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Cable Type | Headset cable - 2.13 m | Headphones cable - detachable - coiled - L shaped | |
|---|---|---|---|
| Cable Length | 2.13 m | - | |
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Additional Functions | DSP | - |
|---|
| BATTERY AND CHARGING | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Connector Type | USB (4 PIN USB Type A) Headphones (mini-phone 3.5 mm 4-pole) |
Headphones (mini-phone stereo 3.5 mm 4-pole) Audio line-out (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Blackwire 325 | Marshall Major III Bluetooth |
|---|
| Included Accessories | - | Micro-USB charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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