Side by side comparison and review of Koss UR 23i and JBL LIVE 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 LIVE 660NC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | - | 265 g | |
| Colour | White | Black | Blue | White | Black | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | JBL LIVE 660NC |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.0 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | JBL LIVE 660NC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Cancelling | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 20 - 20000 Hz | 16 - 20000 Hz | JBL LIVE 660NC offer a larger frequency range than Koss UR 23i. |
| Sensitivity | 94 dB | 97 dB/mW | JBL LIVE 660NC have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 94 dB | |
| Diaphragm | - | 40 mm | |
| Features | - | Voice control, TalkThru technology, MultiPoint Technology, Ambient Aware, Google Fast Pair, Auto Play, Auto Pause, Speed Charge, Smart Ambient |
| MICROPHONE | Koss UR 23i | JBL LIVE 660NC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | - | Stereo | |
| Sensitivity | - | -19 dBV/Pascal |
| REMOTE CONTROL | Koss UR 23i | JBL LIVE 660NC |
|---|
| Controls | - | Voice assistant |
|---|
| CABLE | Koss UR 23i | JBL LIVE 660NC |
|---|
| Cable Type | Headphones cable - 1.22 m | USB-C charge cable - detachable Headphones cable - detachable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Koss UR 23i | JBL LIVE 660NC |
|---|
| Intelligent Assistant | - | Google Assistant, Alexa |
|---|
| BATTERY AND CHARGING | Koss UR 23i | JBL LIVE 660NC |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 750 mAh | |
| Battery Life | - | 50 hour(s) | |
| Battery Life Details | - | Continuous playback (active noise-cancelling on) (noise cancelling ON / Bluetooth): up to 40 hours Continuous playback (active noise-cancelling off) (noise cancelling OFF / Bluetooth): up to 50 hours |
|
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | Koss UR 23i | JBL LIVE 660NC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | JBL LIVE 660NC |
|---|
| Included Accessories | - | Carrying case, USB-C charging cable | |
|---|---|---|---|
| Compatibility | - | Android phone | |
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
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