Detailed comparison and review of Koss UR 23i 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 | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 178 g | |
| Colour | White | Black | Brown | White | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Headphones Form Factor | Full size | 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 | 94 dB | 97 dB | Marshall Major III Bluetooth have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Features | - | Bluetooth aptX technology |
| MICROPHONE | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Controls | - | Power on/off, volume control, answer/end, play/pause, reject call, shuffle |
|---|
| CABLE | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable - coiled - L shaped | |
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) Audio line-out (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Marshall Major III Bluetooth |
|---|
| Included Accessories | - | Micro-USB charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
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