Detailed comparison and review of Koss UR 23i and Poly EncorePro 720D. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Koss UR 23i | Poly EncorePro 720D |
|---|
| 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 720D |
|---|
| Headphones Form Factor | Full size | On-ear binaural | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - | |
| Diaphragm | - | 28 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Koss UR 23i | Poly EncorePro 720D |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | - | 100 - 6800 Hz |
| CABLE | Koss UR 23i | Poly EncorePro 720D |
|---|
| Cable Type | Headphones cable - 1.22 m | - | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | Koss UR 23i | Poly EncorePro 720D |
|---|
| Features | - | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm |
|---|
| CONNECTIONS | Koss UR 23i | Poly EncorePro 720D |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (USB Type-A) |
|---|
| OTHERS | Koss UR 23i | Poly EncorePro 720D |
|---|
| TAA Compliant | - | Yes | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
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