In depth comparison and review of Koss UR 23i and Marshall MAJOR II. 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 | Koss UR 23i | Marshall MAJOR II |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 202 g | |
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Marshall MAJOR II |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | Marshall MAJOR II can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Bluetooth Profiles | - | Advanced Audio Distribution Profile (A2DP) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 98 dB | Marshall MAJOR II have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 85 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | Bluetooth aptX technology |
| MICROPHONE | Koss UR 23i | Marshall MAJOR II |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Marshall MAJOR II |
|---|
| Controls | - | Volume control, answer/end, play/pause, next/previous track, reject call |
|---|
| CABLE | Koss UR 23i | Marshall MAJOR II |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable - with remote control and mic - L shaped |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Marshall MAJOR II |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 680 mAh | |
| Battery Life | - | 30 hour(s) | |
| Charging Time | - | 6 hour(s) |
| CONNECTIONS | Koss UR 23i | Marshall MAJOR II |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Marshall MAJOR II |
|---|
| Included Accessories | - | USB charge cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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