In depth comparison and review of Koss UR 23i and beyerdynamic Amiron Wireless Copper. 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 | beyerdynamic Amiron Wireless Copper |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 400 g | |
| Colour | White | Black | Copper | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | Koss UR 23i | beyerdynamic Amiron Wireless Copper |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), General Audio/Video Distribution Profile (GAVDP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD, apt-X LL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 40000 Hz | beyerdynamic Amiron Wireless Copper offer a larger frequency range than Koss UR 23i. |
| Max Input Power | - | 200 mW | |
| Total Harmonic Distortion (THD) | - | <0.05% | |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 100 dB |
| MICROPHONE | Koss UR 23i | beyerdynamic Amiron Wireless Copper |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | beyerdynamic Amiron Wireless Copper |
|---|
| Controls | - | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | Koss UR 23i | beyerdynamic Amiron Wireless Copper |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable - with remote control and mic - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m |
| BATTERY AND CHARGING | Koss UR 23i | beyerdynamic Amiron Wireless Copper |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 1050 mAh | |
| Battery Life | - | 30 hour(s) | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Koss UR 23i | beyerdynamic Amiron Wireless Copper |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | beyerdynamic Amiron Wireless Copper |
|---|
| Included Accessories | - | Hard case, USB-C to USB-A charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
