Side by side comparison and review of Koss UR 23i and Sennheiser MOMENTUM Wireless. 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 MOMENTUM Wireless |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Colour | White | Black | Black | |
| Body Material | - | Steel | |
| Earpad Material | - | Sheep leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Sennheiser MOMENTUM Wireless can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, apt-X LL | |
| Active Noise Cancelling | - | Yes | Sennheiser MOMENTUM Wireless are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 6 - 23000 Hz | Sennheiser MOMENTUM Wireless offer a larger frequency range than Koss UR 23i. |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - | |
| Max Sound Pressure | - | 99 dB |
| MICROPHONE | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -34 dBV/Pascal |
| REMOTE CONTROL | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Controls | - | Volume, auto shut off on/off switch |
|---|
| CABLE | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable USB charge cable USB-A to USB-C adapter |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Features | - | Transparent Hearing mode |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 17 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | Koss UR 23i | Sennheiser MOMENTUM Wireless |
|---|
| Included Accessories | - | Carrying case | |
|---|---|---|---|
| Compliant Standards | - | Bluetooth Class 5 | |
| Service & Support | Limited warranty - lifetime | 2-year warranty |
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