Side by side comparison and review of Koss UR 23i and JBL JR300BT. 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 JR300BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 110 g | |
| Colour | White | Black | Orange/blue | Tropic teal | Pink | |
| Earpad Material | - | Polyurethane leather | |
| Design | - | Kids | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 15 m |
| SOUND QUALITY | Koss UR 23i | JBL JR300BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Foldable | - | Yes | JBL JR300BT can be folded. |
| Connectivity Technology | Wired | Wireless | |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm |
| MICROPHONE | Koss UR 23i | JBL JR300BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | JBL JR300BT |
|---|
| Controls | - | Power on/off, answer/end, play/pause |
|---|
| CABLE | Koss UR 23i | JBL JR300BT |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable |
|---|
| FEATURES | Koss UR 23i | JBL JR300BT |
|---|
| Additional Functions | - | Volume limiter |
|---|
| BATTERY AND CHARGING | Koss UR 23i | JBL JR300BT |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 170 mAh | |
| Battery Life | - | 12 hour(s) | |
| Charging Time | - | 2 hour(s) |
| WIRELESS LINK | Koss UR 23i | JBL JR300BT |
|---|
| Modulation Type | - | GFSK, 8-DPSK, DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| CONNECTIONS | Koss UR 23i | JBL JR300BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Koss UR 23i | JBL JR300BT |
|---|
| Included Accessories | - | Stickers, USB charge cable | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | Limited warranty - 1 year |
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