Side by side comparison and review of Koss UR 23i and Sennheiser HMD 300 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 | Sennheiser HMD 300 PRO |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired | |
|---|---|---|---|
| Weight | - | 319 g | |
| Colour | White | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | Sennheiser HMD 300 PRO |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HMD 300 PRO can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HMD 300 PRO are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 60 - 25000 Hz | Sennheiser HMD 300 PRO offer a larger frequency range than Koss UR 23i. |
| Max Input Power | - | 500 mW | |
| Total Harmonic Distortion (THD) | - | 0.1% | |
| Sensitivity | 94 dB | 108 dB | Sennheiser HMD 300 PRO have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 64 Ohm | |
| Max Sound Pressure | - | 123 dB |
| MICROPHONE | Koss UR 23i | Sennheiser HMD 300 PRO |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 80 - 16000 Hz | |
| Sensitivity | - | 0.4 mV/Pascal | |
| Impedance | - | 300 Ohm |
| CABLE | Koss UR 23i | Sennheiser HMD 300 PRO |
|---|
| Cable Type | Headphones cable - 1.22 m | - |
|---|
| FEATURES | Koss UR 23i | Sennheiser HMD 300 PRO |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Koss UR 23i | Sennheiser HMD 300 PRO |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | Sennheiser HMD 300 PRO |
|---|
| Included Accessories | - | Wind screen | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
