Detailed comparison and review of Koss UR 23i and Trust Dura. 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 | Trust Dura |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 20 cm | |
| Width | - | 16 cm | |
| Depth | - | 8.5 cm | |
| Weight | - | 178 g | |
| Colour | White | Black | Neon blue | Neon purple | Neon yellow | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Trust Dura |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | Trust Dura |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | - | Omni-directional |
| REMOTE CONTROL | Koss UR 23i | Trust Dura |
|---|
| Controls | - | Volume, on/off, answer/end, play/pause, next/previous track, voice assistant |
|---|
| CABLE | Koss UR 23i | Trust Dura |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable - 1.2 m Micro-USB charge cable - detachable |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Koss UR 23i | Trust Dura |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 6 hour(s) |
| CONNECTIONS | Koss UR 23i | Trust Dura |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) Power input (5 pin Micro-USB Type B) |
|---|
| OTHERS | Koss UR 23i | Trust Dura |
|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
|---|
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