| Composition | Kia KVC-301EE | Kia KVD-521EE |
| Tuner | has a digital | has a digital |
| CD players | no | no |
| Cassette deck | yes | |
| MP3-players | no | no |
| Blu-ray player | no | no |
| Amplifier | yes | yes |
| Equalizer | no | no |
| Navigator | no | no |
| General characteristics | Kia KVC-301EE | Kia KVD-521EE |
| Maximum power | | 4x40 W |
| Management changer | CD | CD |
| Nominal and maximum power | 4x18 W/4x40 W | |
| CD-changer interface is | custom | custom |
| Load impedance | 8-4 Ohm | |
| Frequency range | 100-8000 Hz | |
| Display | Kia KVC-301EE | Kia KVD-521EE |
| Display type | multicolor | multicolor |
| Management | Kia KVC-301EE | Kia KVD-521EE |
| Pause when speaking on the phone | | yes |
| Infrared remote | no | |
| Joystick on the steering wheel | no | |
| Supported carriers and formats | Kia KVC-301EE | Kia KVD-521EE |
| Media | cassette | |
| Interfaces | Kia KVC-301EE | Kia KVD-521EE |
| Audio input on the front panel | no | no |
| Outputs | audio | audio |
| Connecting the ISO | yes | yes |
| Cassette deck | Kia KVC-301EE | Kia KVD-521EE |
| Auto tape | no | |
| Auto reverse | yes | |
| To search for music on cassette | no | |
| Skip pause on the tape | no | |
| Additional information | Kia KVC-301EE | Kia KVD-521EE |
| Signal/noise ratio | 50 dB | 50 dB |
| Tone compensation | yes | yes |
| Dimensions (WxHxD) | 180x50x150 mm | 180x50x150 mm |
| Adjusting the voice | yes | |
| Weight | 2000 | |
| Protection | Kia KVC-301EE | Kia KVD-521EE |
| Detachable panel | yes | |
| Tuner | Kia KVC-301EE | Kia KVD-521EE |
| Support band | FM, MW, LW | |
