Side by side comparison and review of Koss UR 23i and beyerdynamic DT 109. 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 | beyerdynamic DT 109 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Weight | - | 390 g | |
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | beyerdynamic DT 109 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 30 - 20000 Hz | Koss UR 23i offer a larger frequency range than beyerdynamic DT 109. |
| Max Input Power | - | 100 mW | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | 50 Ohm | |
| Max Sound Pressure | - | 94 dB |
| MICROPHONE | Koss UR 23i | beyerdynamic DT 109 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 40 - 12000 Hz | |
| Impedance | - | 200 Ohm |
| CABLE | Koss UR 23i | beyerdynamic DT 109 |
|---|
| Cable Type | Headphones cable - 1.22 m | - |
|---|
| CONNECTIONS | Koss UR 23i | beyerdynamic DT 109 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | beyerdynamic DT 109 |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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