Detailed comparison and review of Koss UR 23i and Sennheiser HD 300 PROtect. 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 | Sennheiser HD 300 PROtect |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 297 g | |
| Colour | White | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | Sennheiser HD 300 PROtect |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HD 300 PROtect are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 6 - 25000 Hz | Sennheiser HD 300 PROtect 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 HD 300 PROtect have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 64 Ohm |
| MICROPHONE | Koss UR 23i | Sennheiser HD 300 PROtect |
|---|
| Type | On-cable | - |
|---|
| CABLE | Koss UR 23i | Sennheiser HD 300 PROtect |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - 1.55 m | |
|---|---|---|---|
| Cable Length | - | 1.55 m |
| FEATURES | Koss UR 23i | Sennheiser HD 300 PROtect |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Koss UR 23i | Sennheiser HD 300 PROtect |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | Sennheiser HD 300 PROtect |
|---|
| Included Accessories | - | 6.3 mm (1/4") stereo adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
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