Detailed comparison and review of Koss UR 23i and Philips TAH4205BL. 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 | Philips TAH4205BL |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 18.5 cm | |
| Width | - | 16.5 cm | |
| Depth | - | 4 cm | |
| Weight | - | 150 g | |
| Colour | White | Black | Blue | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Philips TAH4205BL |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Philips TAH4205BL 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) | |
| Noise Isolating | - | Yes | Philips TAH4205BL are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Sound Effects | - | Bass Boost | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 110 dB | Philips TAH4205BL have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | PET - 32 mm | |
| Magnet Material | - | NdFeB |
| MICROPHONE | Koss UR 23i | Philips TAH4205BL |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Philips TAH4205BL |
|---|
| Controls | - | Bass, volume control, play/pause |
|---|
| CABLE | Koss UR 23i | Philips TAH4205BL |
|---|
| Cable Type | Headphones cable - 1.22 m | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Philips TAH4205BL |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 29 hour(s) | |
| Battery Life Details | - | Standby: up to 166 hours Continuous talk: up to 21 hours Continuous playback: up to 29 hours |
|
| Standby Time | - | 166 hours | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Koss UR 23i | Philips TAH4205BL |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (power only) Bluetooth |
|---|
| OTHERS | Koss UR 23i | Philips TAH4205BL |
|---|
| Included Accessories | - | USB-C charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 2 years |
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