Side by side comparison and review of Koss UR 23i and EPOS I SENNHEISER ADAPT 361. 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 | EPOS I SENNHEISER ADAPT 361 |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 238 g | |
| Colour | White | Black | Black | White | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Koss UR 23i | EPOS I SENNHEISER ADAPT 361 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | EPOS I SENNHEISER ADAPT 361 can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| 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, aptX | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 361 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 18 - 22000 Hz | EPOS I SENNHEISER ADAPT 361 offer a larger frequency range than Koss UR 23i. |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Features | - | Audio prompts |
| MICROPHONE | Koss UR 23i | EPOS I SENNHEISER ADAPT 361 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Beamforming | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 361 microphone can cancel out ambient noise. |
| Frequency Response | - | 80 - 8000 Hz | |
| Microphones Included | - | 2 |
| CABLE | Koss UR 23i | EPOS I SENNHEISER ADAPT 361 |
|---|
| Cable Type | Headphones cable - 1.22 m | USB-C to micro-USB cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Koss UR 23i | EPOS I SENNHEISER ADAPT 361 |
|---|
| Features | - | EPOS ActiveGard, Talk-Through |
|---|
| BATTERY AND CHARGING | Koss UR 23i | EPOS I SENNHEISER ADAPT 361 |
|---|
| Battery Type | - | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 600 mAh | |
| Battery Life | - | 46 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 39 hours |
|
| Standby Time | - | 62 days | |
| Charging Time | - | 2.5 hour(s) |
| CONNECTIONS | Koss UR 23i | EPOS I SENNHEISER ADAPT 361 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Audio line-in (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | EPOS I SENNHEISER ADAPT 361 |
|---|
| Included Accessories | - | Carrying pouch, BTD 800 USB-C dongle | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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