In depth comparison and review of Koss UR 23i and ifrogz Impulse 2. 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 | ifrogz Impulse 2 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 19.5 cm | |
| Width | - | 21.48 cm | |
| Depth | - | 8 cm | |
| Weight | - | 295 g | |
| Colour | White | Black | Blue | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | ifrogz Impulse 2 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Foldable | - | Yes | ifrogz Impulse 2 can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 94 dB +/- 3dB | Both headphones offer the same sensitivity. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | ifrogz Impulse 2 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | ifrogz Impulse 2 |
|---|
| Controls | - | Volume, power on/off, play/pause, next/previous track |
|---|
| CABLE | Koss UR 23i | ifrogz Impulse 2 |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable Micro-USB charge cable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | ifrogz Impulse 2 |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 20 hour(s) | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Koss UR 23i | ifrogz Impulse 2 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | ifrogz Impulse 2 |
|---|
| Included Accessories | - | Carrying pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
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