Probably this is the cheapest DSP amplifier you can get in the market that can provide above average sound quality!
The built-in 4x50W/4Ω Max. class AB amplifier allows for a simple and quick upgrade, bringing a new feeling to listeners. 6-channel RCA outputs can meet the future upgrade needs.
If you want to have a try in car audio upgrade, DSPA 206 can be your first chosen DSP!