Side by side comparison and review of Koss UR 23i and JVC TINYPHONES HA-KD9BT. 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 TINYPHONES HA-KD9BT |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Weight | - | 120 g | |
| Colour | White | Black | - | |
| Design | - | Kids | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Koss UR 23i | JVC TINYPHONES HA-KD9BT |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 85 dB | Koss UR 23i have higher sensitivity than JVC TINYPHONES HA-KD9BT. |
| Impedance | 34 Ohm | 20 Ohm | |
| Magnet Material | - | Ferrite |
| MICROPHONE | Koss UR 23i | JVC TINYPHONES HA-KD9BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | Koss UR 23i | JVC TINYPHONES HA-KD9BT |
|---|
| Controls | - | Volume, power on/off |
|---|
| CABLE | Koss UR 23i | JVC TINYPHONES HA-KD9BT |
|---|
| Cable Type | Headphones cable - 1.22 m | USB charge cable - detachable |
|---|
| BATTERY AND CHARGING | Koss UR 23i | JVC TINYPHONES HA-KD9BT |
|---|
| Battery Type | - | 1 x headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 12 hour(s) | |
| Charging Time | - | 3 hour(s) | |
| Included Qty | - | 1 |
| CONNECTIONS | Koss UR 23i | JVC TINYPHONES HA-KD9BT |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | Bluetooth USB (power only) (micro-USB) |
|---|
| OTHERS | Koss UR 23i | JVC TINYPHONES HA-KD9BT |
|---|
| Included Accessories | - | Stickers | |
|---|---|---|---|
| Service & Support | Limited warranty - lifetime | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
