Side by side comparison and review of Koss UR 23i and Microsoft Surface Headphones 2. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Height | - | 20.4 cm | |
| Width | - | 19.5 cm | |
| Depth | - | 4.8 cm | |
| Weight | - | 290.3 g | |
| Colour | White | Black | Light grey | Matte black | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Active Noise Cancelling | - | Yes | Microsoft Surface Headphones 2 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 | - | |
| Impedance | 34 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Controls | - | Volume, power on/off, mute button, noise-cancellation suspend button |
|---|
| CABLE | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Cable Type | Headphones cable - 1.22 m | Audio cable - detachable - 1.2 m USB-C cable - detachable - 1.5 m |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Internet of Things (IoT) Compatible | - | Yes | |
|---|---|---|---|
| Intelligent Assistant | - | Cortana |
| BATTERY AND CHARGING | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 20 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 20 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) USB (USB Type-C) |
|---|
| OTHERS | Koss UR 23i | Microsoft Surface Headphones 2 |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Compatibility | - | iPhone, iPad, Android phone, Mac, Windows | |
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
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