Side by side comparison and review of Koss UR 23i and Sennheiser HD 2.30i. 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 HD 2.30i |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | HD 2 | |
| Weight | - | 262 g | |
| Colour | White | Black | Black | White | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | Sennheiser HD 2.30i |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser HD 2.30i can be folded. |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 18 - 22000 Hz | Sennheiser HD 2.30i offer a larger frequency range than Koss UR 23i. |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | 94 dB | 115 dB/Vrms | Sennheiser HD 2.30i have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 22 Ohm | |
| Max Sound Pressure | - | 115 dB | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Koss UR 23i | Sennheiser HD 2.30i |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | - | Mono, omni-directional |
| REMOTE CONTROL | Koss UR 23i | Sennheiser HD 2.30i |
|---|
| Controls | - | Volume, answer/end, play/pause |
|---|
| CABLE | Koss UR 23i | Sennheiser HD 2.30i |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - 1.4 m | |
|---|---|---|---|
| Cable Length | - | 1.4 m | |
| Detachable Cable | - | Yes |
| CONNECTIONS | Koss UR 23i | Sennheiser HD 2.30i |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Koss UR 23i | Sennheiser HD 2.30i |
|---|
| Compatibility | - | iPhone | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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