| Composition | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Tuner | | has a digital |
| Type of Player | CD Player | |
| CD players | | yes |
| MP3-players | | yes |
| DVD-player | | no |
| Blu-ray player | | no |
| Amplifier | | yes |
| Equalizer | | yes |
| Navigator | | no |
| TV tuner | | no |
| General characteristics | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Monitor Size | 12.1 " | |
| Type of Monitor | LCD | |
| Maximum power | | 4x50 W |
| Size | | 1 DIN |
| CD-changer interface is | | no |
| Color | | black |
| Supported carriers and formats | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Memory Card Reader | SD | |
| Supported File Formats | MP3 | |
| Supported Disc Formats | CD | |
| Formats | | CD Audio, MP3, WMA, AAC |
| Media | | CD-R, CD-RW |
| Memory card support | | SD, MMC |
| Display | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Display type | | monochrome |
| Display dimensions | | 192 x 48 pixels |
| Management | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Infrared remote | | yes |
| Joystick on the steering wheel | | it is possible to connect |
| Pause when speaking on the phone | | yes |
| Search for a folder/file | | yes |
| Auto plants | | yes |
| Interfaces | Soundstream VCM-121 | Pioneer DEH-7250SD |
| USB Version | USB 2.0 | |
| Connections | USB Input | |
| Inputs | | USB |
| Audio input on the front panel | | yes |
| Outputs | | Subwoofer PreAmp |
| Bluetooth Support | | no |
| Protection | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Detachable panel | | yes |
| Security codes | | yes |
| Tuner | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Support band | | FM, MW |
| Tuner with long reception | | yes |
| Number of preset FM/AM | | 18 / 6 |
| Additional information | Soundstream VCM-121 | Pioneer DEH-7250SD |
| Adjusting the voice | | yes |
| The number of bit DAC | | 24 |
| The number of bands equalizer | | 5 |
| Number of preset equalizer settings | | 7 |
| ID3 tag support | | yes |
| CD-text | | yes |
| Tone compensation | | yes |
| Dimensions (WxHxD) | | 178x50x160 mm |
