Detailed comparison and review of Koss UR 23i and Philips SHB4405BK. 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 SHB4405BK |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 14 cm | |
| Width | - | 17 cm | |
| Depth | - | 3 cm | |
| Weight | - | 90 g | |
| Colour | White | Black | - | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Philips SHB4405BK |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | Philips SHB4405BK can be folded. |
| 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 | 9 - 22000 Hz | Philips SHB4405BK offer a larger frequency range than Koss UR 23i. |
| Max Input Power | - | 40 mW | |
| Sensitivity | 94 dB | 103 dB | Philips SHB4405BK have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 24 Ohm | |
| Diaphragm | - | PET - 32 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | Philips SHB4405BK |
|---|
| Type | On-cable | - |
|---|
| REMOTE CONTROL | Koss UR 23i | Philips SHB4405BK |
|---|
| Controls | - | Mute, volume, answer/end, phone/music mode, reject call, redial |
|---|
| CABLE | Koss UR 23i | Philips SHB4405BK |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Philips SHB4405BK |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Life | - | 9 hour(s) | |
| Standby Time | - | 300 hours |
| WIRELESS LINK | Koss UR 23i | Philips SHB4405BK |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Koss UR 23i | Philips SHB4405BK |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | USB |
|---|
| OTHERS | Koss UR 23i | Philips SHB4405BK |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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