Side by side comparison and review of Sony MDR XB650BT and Koss UR 23i. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sony MDR XB650BT | Koss UR 23i |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | XB Series | - | |
| Weight | 190 g | - | |
| Colour | Black | Blue | Red | White | Black | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Sony MDR XB650BT | Koss UR 23i |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Extra Bass | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 95 dB/mW | 94 dB | Sony MDR XB650BT have higher sensitivity than Koss UR 23i. |
| Impedance | 24 Ohm | 34 Ohm | |
| Diaphragm | 30 mm | - |
| MICROPHONE | Sony MDR XB650BT | Koss UR 23i |
|---|
| Type | - | On-cable | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Audio Input Details | Omni-directional | - |
| REMOTE CONTROL | Sony MDR XB650BT | Koss UR 23i |
|---|
| Controls | Volume control | - |
|---|
| CABLE | Sony MDR XB650BT | Koss UR 23i |
|---|
| Cable Type | Micro-USB charge cable - 50 cm | Headphones cable - 1.22 m |
|---|
| BATTERY AND CHARGING | Sony MDR XB650BT | Koss UR 23i |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Life | 30 hour(s) | - | |
| Standby Time | 300 hours | - | |
| Charging Time | 4 hour(s) | - |
| CONNECTIONS | Sony MDR XB650BT | Koss UR 23i |
|---|
| Connector Type | Bluetooth | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Sony MDR XB650BT | Koss UR 23i |
|---|
| Service & Support | - | Limited warranty - lifetime |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
