In depth comparison and review of Koss UR 23i and Panasonic RP-HF400B. 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 | Panasonic RP-HF400B |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 130 g | |
| Colour | White | Black | Black | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Foldable | - | Yes | Panasonic RP-HF400B 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 | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 30 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Type | On-cable | - |
|---|
| REMOTE CONTROL | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Controls | - | Volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable - 0.1 m |
|---|
| BATTERY AND CHARGING | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 20 hour(s) | |
| Charging Time | - | 3 hour(s) |
| WIRELESS LINK | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Transmission Range | - | 10 m |
|---|
| CONNECTIONS | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Bluetooth |
|---|
| OTHERS | Koss UR 23i | Panasonic RP-HF400B |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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