Side by side comparison and review of Koss UR 23i and beyerdynamic DT 1770 PRO. 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 1770 PRO |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 388 g | |
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | beyerdynamic DT 1770 PRO |
|---|
| 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 | 5 - 40000 Hz | beyerdynamic DT 1770 PRO offer a larger frequency range than Koss UR 23i. |
| Total Harmonic Distortion (THD) | - | 0.05% | |
| Sensitivity | 94 dB | 102 dB | beyerdynamic DT 1770 PRO have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 250 Ohm |
| MICROPHONE | Koss UR 23i | beyerdynamic DT 1770 PRO |
|---|
| Type | On-cable | - |
|---|
| CABLE | Koss UR 23i | beyerdynamic DT 1770 PRO |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - 3 m Headphones cable - 5 m |
|---|
| CONNECTIONS | Koss UR 23i | beyerdynamic DT 1770 PRO |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | beyerdynamic DT 1770 PRO |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter, 2 earpads, carrying bag | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
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