In depth comparison and review of Koss UR 23i and Marshall MAJOR IV. 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 IV |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 165 g | |
| Colour | White | Black | Black | Brown | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Marshall MAJOR IV |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | Marshall MAJOR IV can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 99 dB | Marshall MAJOR IV have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Koss UR 23i | Marshall MAJOR IV |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Marshall MAJOR IV |
|---|
| Controls | - | Volume, answer/end, play/pause, reject call, skip track |
|---|
| CABLE | Koss UR 23i | Marshall MAJOR IV |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable USB-C charge cable - detachable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Koss UR 23i | Marshall MAJOR IV |
|---|
| Battery Type | - | Headphone battery rechargeable - wireless charging | |
|---|---|---|---|
| Battery Life | - | 80 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 80 hours | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Koss UR 23i | Marshall MAJOR IV |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Audio line-out / headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Marshall MAJOR IV |
|---|
| Included Accessories | - | USB-C charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
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