In depth comparison and review of Koss UR 23i and Philips TAH4205BK. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Koss UR 23i | Philips TAH4205BK |
|---|
| 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 | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Philips TAH4205BK |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Philips TAH4205BK 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 TAH4205BK are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | PET - 32 mm | |
| Magnet Material | - | NdFeB |
| MICROPHONE | Koss UR 23i | Philips TAH4205BK |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | Philips TAH4205BK |
|---|
| Controls | - | Volume control, reject call |
|---|
| CABLE | Koss UR 23i | Philips TAH4205BK |
|---|
| Cable Type | Headphones cable - 1.22 m | USB-C cable - detachable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Philips TAH4205BK |
|---|
| 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 |
| CONNECTIONS | Koss UR 23i | Philips TAH4205BK |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (power only) Bluetooth |
|---|
| OTHERS | Koss UR 23i | Philips TAH4205BK |
|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
|---|
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