In depth comparison and review of Koss UR 23i and Poly EncorePro 725. 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 | Poly EncorePro 725 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Weight | - | 78 g | |
| Colour | White | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | Poly EncorePro 725 |
|---|
| 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 | - | |
| Diaphragm | - | 28 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Koss UR 23i | Poly EncorePro 725 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 725 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | - | 100 - 6800 Hz |
| CABLE | Koss UR 23i | Poly EncorePro 725 |
|---|
| Cable Type | Headphones cable - 1.22 m | - | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | Koss UR 23i | Poly EncorePro 725 |
|---|
| Features | - | 290° rotatable microphone |
|---|
| CONNECTIONS | Koss UR 23i | Poly EncorePro 725 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (USB Type-A) |
|---|
| OTHERS | Koss UR 23i | Poly EncorePro 725 |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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