Side by side comparison and review of Koss UR 23i and Poly SupraPlus H261N-CD. 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 | Poly SupraPlus H261N-CD |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - Quick Disconnect | |
|---|---|---|---|
| Series | - | Controller and Dispatch | |
| Colour | White | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | Poly SupraPlus H261N-CD |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - |
| MICROPHONE | Koss UR 23i | Poly SupraPlus H261N-CD |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Mono |
| CABLE | Koss UR 23i | Poly SupraPlus H261N-CD |
|---|
| Cable Type | Headphones cable - 1.22 m | Headset cable |
|---|
| CONNECTIONS | Koss UR 23i | Poly SupraPlus H261N-CD |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headset (Quick Disconnect) |
|---|
| OTHERS | Koss UR 23i | Poly SupraPlus H261N-CD |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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