Detailed comparison and review of Koss UR 23i and Marshall MONITOR II A.N.C.. 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 MONITOR II A.N.C. |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 320 g | |
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | Marshall MONITOR II A.N.C. can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Active Noise Cancelling | - | Yes | Marshall MONITOR II A.N.C. are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 96 dB | Marshall MONITOR II A.N.C. have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Controls | - | Volume, power on/off, answer/end, play/pause, next/previous track, skip track, voice assistant, equaliser preset, ANC on/off |
|---|
| CABLE | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable | |
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Intelligent Assistant | - | Google Assistant |
| BATTERY AND CHARGING | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 30 hours Continuous playback (noise cancelling OFF / Bluetooth): up to 45 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Marshall MONITOR II A.N.C. |
|---|
| Included Accessories | - | Carrying bag, USB-C charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
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