In depth comparison and review of Koss UR 23i and Philips TAH8505BK. 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 TAH8505BK |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired | |
|---|---|---|---|
| Weight | - | 278 g | |
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m | |
| High-Resolution Audio | - | Yes |
| SOUND QUALITY | Koss UR 23i | Philips TAH8505BK |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | Philips TAH8505BK 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 | |
| Active Noise Cancelling | - | Yes | Philips TAH8505BK are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Philips TAH8505BK are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 7 - 40000 Hz | Philips TAH8505BK offer a larger frequency range than Koss UR 23i. |
| Max Input Power | - | 30 mW | |
| Sensitivity | 94 dB | 90 dB | Koss UR 23i have higher sensitivity than Philips TAH8505BK. |
| Impedance | 34 Ohm | 16 Ohm | |
| Diaphragm | - | PET - 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | Philips TAH8505BK |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Features | - | Echo-cancelling |
| REMOTE CONTROL | Koss UR 23i | Philips TAH8505BK |
|---|
| Controls | - | Hold, reject call, answer call |
|---|
| CABLE | Koss UR 23i | Philips TAH8505BK |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable Headphones cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| BATTERY AND CHARGING | Koss UR 23i | Philips TAH8505BK |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 30 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling OFF): up to 30 hours Continuous playback (noise cancelling ON): up to 25 hours |
|
| Standby Time | - | 200 hours |
| CONNECTIONS | Koss UR 23i | Philips TAH8505BK |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB (power only) (micro-USB) Headphones |
|---|
| OTHERS | Koss UR 23i | Philips TAH8505BK |
|---|
| Compliant Standards | - | RoHS, EN 50581:2012, EN 62479:2010, EN 55035:2017, EN 62368-1:2014+A11:2017, EN 50663:2017, EN 300 328 V2.2.2, EN 301 489-1 V2.2.3, EN 301 489-17 V3.2.2, EN 55032:2015/A11:2020 | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
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