In depth comparison and review of Koss UR 23i and Marshall Major II Bluetooth. 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 Bluetooth |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | Marshall Major II Bluetooth |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | Marshall Major II Bluetooth can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 20000 Hz | Marshall Major II Bluetooth offer a larger frequency range than Koss UR 23i. |
| Sensitivity | 94 dB | 99 dB | Marshall Major II Bluetooth have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 64 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Koss UR 23i | Marshall Major II Bluetooth |
|---|
| Type | On-cable | On-cable |
|---|
| REMOTE CONTROL | Koss UR 23i | Marshall Major II Bluetooth |
|---|
| Controls | - | Answer/end |
|---|
| CABLE | Koss UR 23i | Marshall Major II Bluetooth |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable USB charge cable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Marshall Major II Bluetooth |
|---|
| Battery Type | - | Headphone battery | |
|---|---|---|---|
| Battery Life | - | 30 hours |
| CONNECTIONS | Koss UR 23i | Marshall Major II Bluetooth |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Koss UR 23i | Marshall Major II Bluetooth |
|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - replacement - 1 year |
|---|
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