Side by side comparison and review of Koss UR 23i and JVC HA S40BT. 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 | JVC HA S40BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 146 g | |
| Colour | White | Black | - | |
| Recommended Use | Portable electronics | Portable electronics |
| SOUND QUALITY | Koss UR 23i | JVC HA S40BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 3.0 | |
| 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 | - | Bass Boost | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | - | |
| Impedance | 34 Ohm | - | |
| Diaphragm | - | 30.5 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Koss UR 23i | JVC HA S40BT |
|---|
| Type | On-cable | - |
|---|
| CABLE | Koss UR 23i | JVC HA S40BT |
|---|
| Cable Type | Headphones cable - 1.22 m | Micro-USB charge cable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | JVC HA S40BT |
|---|
| Battery Type | - | Handset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 17 hour(s) | |
| Charging Time | - | 3 hour(s) |
| CONNECTIONS | Koss UR 23i | JVC HA S40BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Bluetooth |
|---|
| OTHERS | Koss UR 23i | JVC HA S40BT |
|---|
| Service & Support | Limited warranty - lifetime | - |
|---|
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