Other than a glass box a car is probably one of the most acoustically unfriendly environment I know. Careful placement of speakers, proper selection of speakers, amplifier, and the head unit goes a long way towards assembling and audiophile quality system in a vehicle. However, even the best car audio equipment can't approach what can get accomplished with a high-quality Digital Sound Processor (DSP). The ability a set infinitive highpass, lowpass and or bandpass filters frequencies, high-resolution parametric equalization capabilities and the most important time alignment are imperative towards achieving a true car audio competition system, able to meet the highest audiophile standards. If you are series about car audio, we hope you enjoy our selection of digital sound processors, parametric equalizers, and electronic crossovers.