Detailed comparison and review of Koss UR 23i and JBL E65BTNC. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Koss UR 23i | JBL E65BTNC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Series | - | E Series | |
| Weight | - | 258 g | |
| Colour | White | Black | Matte black | Blue | White | |
| Headband Material | - | Fabric | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | JBL E65BTNC |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Foldable | - | Yes | JBL E65BTNC 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) | |
| Active Noise Cancelling | - | Yes | JBL E65BTNC are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Signature Sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 95 dB | JBL E65BTNC have higher sensitivity than Koss UR 23i. |
| Impedance | 34 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | - | 40 mm |
| MICROPHONE | Koss UR 23i | JBL E65BTNC |
|---|
| Type | On-cable | On-cable | |
|---|---|---|---|
| Sensitivity | - | -42 dB |
| REMOTE CONTROL | Koss UR 23i | JBL E65BTNC |
|---|
| Controls | - | Remote control |
|---|
| CABLE | Koss UR 23i | JBL E65BTNC |
|---|
| Cable Type | Headphones cable - 1.22 m | Headphones cable - detachable - straight Micro-USB charge cable - detachable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | JBL E65BTNC |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 610 mAh | |
| Battery Life | - | 24 hour(s) | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | Koss UR 23i | JBL E65BTNC |
|---|
| Modulation Type | - | GFSK, DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Koss UR 23i | JBL E65BTNC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Koss UR 23i | JBL E65BTNC |
|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - parts and labour - 1 year |
|---|
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