Side by side comparison and review of Koss UR 23i and JBL TUNE 660NC. 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 | Koss UR 23i | JBL TUNE 660NC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired | |
|---|---|---|---|
| Weight | - | 166 g | |
| Colour | White | Black | Blue | Pink | White | Black | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | JBL TUNE 660NC |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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) | |
| Active Noise Cancelling | - | Yes | JBL TUNE 660NC are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Pure Bass | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 100 dB | JBL TUNE 660NC have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 96 dB | |
| Diaphragm | - | 32 mm |
| MICROPHONE | Koss UR 23i | JBL TUNE 660NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Sensitivity | - | -42 dBV/Pascal |
| REMOTE CONTROL | Koss UR 23i | JBL TUNE 660NC |
|---|
| Controls | - | Volume, power on/off |
|---|
| CABLE | Koss UR 23i | JBL TUNE 660NC |
|---|
| Cable Type | Headphones cable - 1.22 m | Audio cable - detachable USB-C charge cable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | JBL TUNE 660NC |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 55 hour(s) | |
| Battery Life Details | - | Continuous playback (noise cancelling ON / Bluetooth): up to 44 hours Continuous playback (noise cancelling ON / cable connection): up to 35 hours Continuous playback (Bluetooth ON): up to 55 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Koss UR 23i | JBL TUNE 660NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | JBL TUNE 660NC |
|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
|---|
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