Detailed comparison and review of Marshall Major III Bluetooth and EPOS I SENNHEISER ADAPT 135 USB II. 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 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | ADAPT 100 Series | |
| Weight | 178 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Marshall Major III Bluetooth headphones. |
| Colour | Brown | White | Black | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | Marshall Major III Bluetooth can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Audio Codec | aptX | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 97 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | - | Neodymium | |
| Features | Bluetooth aptX technology | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Power on/off, volume control, answer/end, play/pause, reject call, shuffle | Volume, answer/end |
|---|
| CABLE | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | Headphones cable - detachable - coiled - L shaped | Headset cable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| FEATURES | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) Audio line-out (mini-phone stereo 3.5 mm) |
Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Marshall Major III Bluetooth | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Included Accessories | Micro-USB charging cable | - | |
|---|---|---|---|
| Software Certification | - | Optimised for UC | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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