Side by side comparison and review of Koss UR 23i and Philips SHL4405BK. 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 | Philips SHL4405BK |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Colour | White | Black | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | Philips SHL4405BK |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Philips SHL4405BK can be folded. |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 9 - 23000 Hz | Philips SHL4405BK offer a larger frequency range than Koss UR 23i. |
| Max Input Power | - | 40 mW | |
| Sensitivity | 94 dB | 103 dB | Philips SHL4405BK have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 24 Ohm | |
| Diaphragm | - | Mylar - 32 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | Philips SHL4405BK |
|---|
| Type | On-cable | - |
|---|
| REMOTE CONTROL | Koss UR 23i | Philips SHL4405BK |
|---|
| Controls | - | Play/pause |
|---|
| CABLE | Koss UR 23i | Philips SHL4405BK |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - single-sided - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Plated Connector | - | Chrome |
| CONNECTIONS | Koss UR 23i | Philips SHL4405BK |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Philips SHL4405BK |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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